sequence_id
stringlengths 7
7
| sequence_name
stringlengths 4
573
| sequence
listlengths 1
348
| keywords
listlengths 1
8
| score
int64 1
2.35k
| offset_a
int64 -14,827
666,262,453B
| offset_b
int64 0
635M
⌀ | cross_references
listlengths 1
128
⌀ | former_ids
listlengths 1
3
⌀ | author
stringlengths 7
231
⌀ | timestamp
timestamp[us]date 1999-12-11 03:00:00
2025-07-19 00:40:46
| filename
stringlengths 29
29
| hash
stringlengths 32
32
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|
A385468
|
Expansion of e.g.f. 1/(1 - 2 * arctanh(x))^(1/2).
|
[
"1",
"1",
"3",
"17",
"129",
"1269",
"15147",
"213765",
"3475329",
"64020585",
"1317472563",
"29960707545",
"746086414785",
"20192521440285",
"590166330458715",
"18525204423695565",
"621571306435103745",
"22199954036873457105",
"840913892465144800995",
"33672216851574639900705"
] |
[
"nonn",
"easy"
] | 13 | 0 | 3 |
[
"A001147",
"A111594",
"A296676",
"A385376",
"A385468",
"A385469"
] | null |
Seiichi Manyama, Jun 30 2025
| 2025-06-30T04:13:17 |
oeisdata/seq/A385/A385468.seq
|
6cab0147c4d0235b4394db1ae6ce7885
|
A385469
|
Expansion of e.g.f. 1/(1 - 3 * arctanh(x))^(1/3).
|
[
"1",
"1",
"4",
"30",
"312",
"4224",
"70176",
"1384032",
"31590912",
"819254016",
"23792039424",
"764912590848",
"26970073390080",
"1034798724320256",
"42921327875788800",
"1913760046417508352",
"91281373260924026880",
"4637755280044146032640",
"250054580636566927441920",
"14259891701316651909120000"
] |
[
"nonn"
] | 11 | 0 | 3 |
[
"A007559",
"A111594",
"A296676",
"A385468",
"A385469"
] | null |
Seiichi Manyama, Jun 30 2025
| 2025-06-30T10:04:06 |
oeisdata/seq/A385/A385469.seq
|
3534e7f143b6eb3dc8d4832601271a0a
|
A385470
|
Expansion of e.g.f. 1/(1 - 2 * arctanh(x)).
|
[
"1",
"2",
"8",
"52",
"448",
"4848",
"62912",
"952992",
"16496640",
"321282816",
"6952332288",
"165489858048",
"4297340166144",
"120890184308736",
"3662409013420032",
"118879239686541312",
"4115985952586858496",
"151415632063102648320",
"5897814669785134006272",
"242489327746828076974080"
] |
[
"nonn",
"easy"
] | 15 | 0 | 2 |
[
"A111594",
"A296676",
"A385468",
"A385470",
"A385471"
] | null |
Seiichi Manyama, Jun 30 2025
| 2025-07-04T15:15:04 |
oeisdata/seq/A385/A385470.seq
|
12d7ced5c7126dfb652e0439b10fd6cf
|
A385471
|
Expansion of e.g.f. 1/(1 - 3 * arctanh(x)).
|
[
"1",
"3",
"18",
"168",
"2088",
"32472",
"605952",
"13192848",
"328268160",
"9189103104",
"285808290048",
"9778434400512",
"364965976571904",
"14756982055363584",
"642580290860378112",
"29979230177385750528",
"1491908801018949697536",
"78884742832151951278080",
"4416389166601900315901952"
] |
[
"nonn",
"easy"
] | 12 | 0 | 2 |
[
"A111594",
"A296676",
"A385469",
"A385470",
"A385471"
] | null |
Seiichi Manyama, Jun 30 2025
| 2025-06-30T10:04:03 |
oeisdata/seq/A385/A385471.seq
|
c7f097ae9f0833fb070078d5bd46578b
|
A385472
|
Expansion of e.g.f. 1/(1 - arctanh(2*x))^(1/2).
|
[
"1",
"1",
"3",
"23",
"201",
"2529",
"36027",
"633975",
"12445521",
"282376065",
"7045758003",
"196111046295",
"5929900611225",
"195773173735905",
"6950809317622635",
"265652001656970615",
"10828342476187312545",
"470368564694268015105",
"21643209863062015977315",
"1053344875062427351601175"
] |
[
"nonn",
"easy"
] | 12 | 0 | 3 |
[
"A001147",
"A111594",
"A296676",
"A385472",
"A385473"
] | null |
Seiichi Manyama, Jun 30 2025
| 2025-06-30T09:58:18 |
oeisdata/seq/A385/A385472.seq
|
026fa6aa7bac27faac80df1865f0a0f4
|
A385473
|
Expansion of e.g.f. 1/(1 - arctanh(3*x))^(1/3).
|
[
"1",
"1",
"4",
"46",
"568",
"10624",
"218656",
"5702752",
"163568128",
"5497133824",
"201702168064",
"8319367856128",
"371416377318400",
"18185429803469824",
"955872746109276160",
"54228988018125125632",
"3278679608280623841280",
"211600457615794941460480",
"14461966051190623712051200"
] |
[
"nonn",
"easy"
] | 10 | 0 | 3 |
[
"A007559",
"A111594",
"A296676",
"A385472",
"A385473"
] | null |
Seiichi Manyama, Jun 30 2025
| 2025-06-30T09:58:14 |
oeisdata/seq/A385/A385473.seq
|
8e2cb686c99916d51e55332831cc04d4
|
A385477
|
Composite numbers whose digits are odd prime numbers.
|
[
"33",
"35",
"55",
"57",
"75",
"77",
"333",
"335",
"355",
"357",
"375",
"377",
"533",
"535",
"537",
"553",
"555",
"573",
"575",
"735",
"737",
"753",
"755",
"775",
"777",
"3333",
"3335",
"3337",
"3353",
"3355",
"3357",
"3375",
"3377",
"3535",
"3537",
"3553",
"3555",
"3573",
"3575",
"3577",
"3735",
"3737",
"3753",
"3755",
"3757",
"3773",
"3775",
"3777",
"5335",
"5337",
"5353",
"5355",
"5357"
] |
[
"nonn",
"base",
"changed"
] | 22 | 1 | 1 |
[
"A061371",
"A061372",
"A087363",
"A320062",
"A385477"
] | null |
Enrique Navarrete, Jun 30 2025
| 2025-07-08T03:05:33 |
oeisdata/seq/A385/A385477.seq
|
42709c2ef0006b1b6c21779451cb516e
|
A385478
|
a(n) is the smallest divisor of sigma(n) that is not element of the union of the sets of divisors of sigma(k) for 1 <= k < n; or 0 if no such divisor exists.
|
[
"1",
"3",
"2",
"7",
"6",
"12",
"8",
"5",
"13",
"9",
"0",
"14",
"0",
"24",
"0",
"31",
"0",
"39",
"10",
"21",
"16",
"36",
"0",
"30",
"0",
"0",
"40",
"56",
"0",
"72",
"0",
"63",
"48",
"27",
"0",
"91",
"19",
"0",
"0",
"45",
"0",
"96",
"11",
"84",
"26",
"0",
"0",
"62",
"57",
"93",
"0",
"49",
"0",
"120",
"0",
"0",
"80",
"0",
"0",
"168",
"0",
"0",
"52",
"127",
"0",
"144",
"17",
"126",
"0",
"0",
"0",
"65",
"37"
] |
[
"nonn",
"easy",
"new"
] | 7 | 1 | 2 |
[
"A000005",
"A000203",
"A027750",
"A062068",
"A385467",
"A385478",
"A385479"
] | null |
Felix Huber, Jul 01 2025
| 2025-07-06T18:53:54 |
oeisdata/seq/A385/A385478.seq
|
51cd4ad2f68be80b120e806668dfcece
|
A385479
|
a(n) is the cardinality of the union of the sets of divisors of sigma(k) for 1 <= k <= n.
|
[
"1",
"2",
"4",
"5",
"6",
"7",
"8",
"10",
"11",
"13",
"13",
"15",
"15",
"16",
"16",
"17",
"17",
"18",
"20",
"22",
"24",
"25",
"25",
"27",
"27",
"27",
"28",
"29",
"29",
"30",
"30",
"31",
"32",
"34",
"34",
"35",
"37",
"37",
"37",
"39",
"39",
"40",
"43",
"44",
"46",
"46",
"46",
"48",
"49",
"50",
"50",
"52",
"52",
"53",
"53",
"53",
"54",
"54",
"54",
"55",
"55",
"55",
"57",
"58",
"58",
"59",
"62",
"63"
] |
[
"nonn",
"new"
] | 11 | 1 | 2 |
[
"A000005",
"A000203",
"A027750",
"A062068",
"A385467",
"A385478",
"A385479"
] | null |
Felix Huber, Jul 01 2025
| 2025-07-07T10:34:50 |
oeisdata/seq/A385/A385479.seq
|
1848c1dd9ce396dc97a732ecf45e0280
|
A385480
|
Sum of the orders of every automorphism group of order n.
|
[
"1",
"1",
"2",
"8",
"4",
"8",
"6",
"212",
"54",
"24",
"10",
"64",
"12",
"48",
"8",
"20936",
"16",
"552",
"18",
"132",
"54",
"120",
"22",
"856",
"500",
"168",
"11844",
"216",
"28",
"192",
"30",
"10047248",
"20",
"288",
"24",
"2856",
"36",
"360",
"180",
"2128",
"40",
"468",
"42",
"520",
"216",
"528",
"46",
"61696",
"2058",
"13080",
"32",
"876",
"52",
"320400",
"150",
"3960"
] |
[
"nonn"
] | 7 | 1 | 3 |
[
"A137316",
"A385480"
] | null |
Miles Englezou, Jun 30 2025
| 2025-07-04T01:24:57 |
oeisdata/seq/A385/A385480.seq
|
895214df6ba2bc5a914d3bec66f67a6a
|
A385481
|
Primes whose decimal expansion consists of the concatenation of ij, iijj, iiijjj,..., and m i’s followed by m j’s, i != j, where 1<= i, j <= 9 and m > 0.
|
[
"13",
"17",
"19",
"23",
"29",
"31",
"37",
"41",
"43",
"47",
"53",
"59",
"61",
"67",
"71",
"73",
"79",
"83",
"89",
"97",
"31331133311133331111",
"37337733377733337777",
"43443344433344443333",
"49449944499944449999"
] |
[
"nonn",
"base",
"new"
] | 20 | 1 | 1 |
[
"A034845",
"A059170",
"A385481"
] | null |
Gonzalo Martínez, Jun 30 2025
| 2025-07-05T16:41:59 |
oeisdata/seq/A385/A385481.seq
|
0caacb851fa6426e2a02469da2d12840
|
A385482
|
a(n) is the least number k such that k*n is a binary Niven number (A049445).
|
[
"1",
"1",
"2",
"1",
"2",
"1",
"3",
"1",
"2",
"1",
"5",
"1",
"10",
"3",
"4",
"1",
"2",
"1",
"12",
"1",
"1",
"3",
"3",
"1",
"12",
"5",
"3",
"3",
"4",
"2",
"5",
"1",
"2",
"1",
"12",
"1",
"5",
"6",
"4",
"1",
"5",
"1",
"4",
"3",
"4",
"2",
"12",
"1",
"12",
"6",
"4",
"3",
"4",
"2",
"1",
"3",
"4",
"2",
"5",
"1",
"6",
"5",
"2",
"1",
"2",
"1",
"12",
"1",
"1",
"6",
"4",
"1",
"6",
"3",
"4",
"3",
"4",
"2",
"5",
"1",
"1",
"3",
"4",
"1",
"4"
] |
[
"nonn",
"easy",
"base"
] | 12 | 1 | 3 |
[
"A049445",
"A144261",
"A363788",
"A385482",
"A385483",
"A385484",
"A385485"
] | null |
Amiram Eldar, Jun 30 2025
| 2025-07-01T10:14:08 |
oeisdata/seq/A385/A385482.seq
|
cefcb6eb47fe19382a2145bee35b5f38
|
A385483
|
Where records occur in A385482.
|
[
"1",
"3",
"7",
"11",
"13",
"19",
"103",
"391",
"1811",
"3589",
"5147",
"6683",
"21883",
"46159",
"64133",
"149839",
"151013",
"318377",
"650543",
"1279211",
"42559939",
"43120271",
"55201423",
"198069181",
"265237811",
"929670011",
"930260173",
"1879562281",
"3320654641",
"5390681357",
"52883996713",
"78842843063",
"250434427519"
] |
[
"nonn",
"base"
] | 8 | 1 | 2 |
[
"A049445",
"A144364",
"A385482",
"A385483",
"A385484",
"A385486"
] | null |
Amiram Eldar, Jun 30 2025
| 2025-07-01T01:10:47 |
oeisdata/seq/A385/A385483.seq
|
30c77b07f5832d65eee44c0e2b00e73d
|
A385484
|
Records in A385482.
|
[
"1",
"2",
"3",
"5",
"10",
"12",
"42",
"84",
"88",
"90",
"99",
"130",
"165",
"184",
"187",
"209",
"221",
"252",
"299",
"434",
"450",
"459",
"486",
"525",
"555",
"611",
"675",
"702",
"726",
"858",
"899",
"975",
"984",
"1034",
"1036",
"1104",
"1107",
"1197",
"1275",
"1357"
] |
[
"nonn",
"base",
"more"
] | 6 | 1 | 2 |
[
"A049445",
"A144363",
"A385482",
"A385483",
"A385484",
"A385487"
] | null |
Amiram Eldar, Jun 30 2025
| 2025-07-01T01:10:43 |
oeisdata/seq/A385/A385484.seq
|
27eaefd6437ccb2549d1e32a1f62dea8
|
A385485
|
a(n) is the least number k such that k*n is not a binary Niven number (A049445).
|
[
"3",
"7",
"1",
"7",
"1",
"5",
"1",
"7",
"1",
"3",
"1",
"29",
"1",
"1",
"1",
"7",
"1",
"3",
"1",
"5",
"3",
"1",
"1",
"29",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"7",
"1",
"3",
"1",
"13",
"1",
"1",
"1",
"5",
"1",
"5",
"1",
"1",
"1",
"1",
"1",
"29",
"1",
"1",
"1",
"1",
"1",
"1",
"3",
"1",
"1",
"1",
"1",
"17",
"1",
"1",
"1",
"7",
"1",
"3",
"1",
"7",
"3",
"1",
"1",
"13",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"5",
"3",
"1",
"1",
"17",
"1"
] |
[
"nonn",
"easy",
"base"
] | 13 | 1 | 1 |
[
"A000120",
"A049445",
"A065878",
"A144262",
"A385482",
"A385485",
"A385486",
"A385487"
] | null |
Amiram Eldar, Jun 30 2025
| 2025-07-01T10:14:05 |
oeisdata/seq/A385/A385485.seq
|
fb5dd4709c8e3e7f0cea75110c944f2f
|
A385486
|
Where records occur in A385485.
|
[
"1",
"2",
"12",
"126",
"252",
"504",
"2040",
"4080",
"16380",
"32760",
"65520",
"524286",
"1048572",
"4194300",
"8388600",
"134217720",
"268435440",
"7516192740",
"10737418230",
"21474836460",
"137438953440",
"274877906880",
"274877906940",
"549755813880"
] |
[
"nonn",
"base",
"more"
] | 10 | 1 | 2 |
[
"A049445",
"A144376",
"A385483",
"A385485",
"A385486",
"A385487"
] | null |
Amiram Eldar, Jun 30 2025
| 2025-07-02T22:34:47 |
oeisdata/seq/A385/A385486.seq
|
f17d054abe056d45138778e31399c1b2
|
A385487
|
Records in A385485.
|
[
"3",
"7",
"29",
"65",
"69",
"81",
"257",
"259",
"4097",
"4113",
"4129",
"262145",
"262149",
"1048577",
"1048583",
"16777217",
"16777219",
"38347927",
"214748365",
"214748369",
"4294967297",
"4294967299",
"68719476737",
"68719476769"
] |
[
"nonn",
"base",
"more"
] | 10 | 1 | 1 |
[
"A049445",
"A144375",
"A385484",
"A385485",
"A385486",
"A385487"
] | null |
Amiram Eldar, Jun 30 2025
| 2025-07-02T22:34:17 |
oeisdata/seq/A385/A385487.seq
|
5af475f164368fa797feef32fbbe7442
|
A385488
|
Decimal expansion of the surface area of a gyroelongated pentagonal birotunda with unit edge.
|
[
"3",
"7",
"9",
"6",
"6",
"2",
"3",
"6",
"8",
"8",
"2",
"7",
"5",
"6",
"3",
"7",
"6",
"0",
"0",
"8",
"3",
"8",
"2",
"6",
"0",
"7",
"1",
"4",
"3",
"7",
"2",
"2",
"0",
"3",
"8",
"8",
"6",
"2",
"3",
"1",
"6",
"5",
"4",
"2",
"5",
"7",
"8",
"2",
"2",
"6",
"1",
"8",
"6",
"2",
"3",
"1",
"0",
"4",
"3",
"2",
"0",
"6",
"2",
"7",
"8",
"8",
"0",
"5",
"7",
"5",
"8",
"0",
"7",
"5",
"5",
"9",
"5",
"5",
"9",
"5",
"1",
"4",
"6",
"8",
"0",
"0",
"7",
"5",
"6",
"7"
] |
[
"nonn",
"cons",
"easy"
] | 6 | 2 | 1 |
[
"A002163",
"A002194",
"A384284",
"A385261",
"A385263",
"A385264",
"A385488"
] | null |
Paolo Xausa, Jun 30 2025
| 2025-07-03T01:16:48 |
oeisdata/seq/A385/A385488.seq
|
68e6c6f7155fe73e5ef68d9d8e071411
|
A385489
|
Positive integers m such that every Gaussian integer g with |g| <= m is a linear combination of the distinct Gaussian divisors of m.
|
[
"1",
"2",
"3",
"4",
"5",
"6",
"8",
"9",
"10",
"12",
"13",
"14",
"15",
"16",
"18",
"20",
"21",
"24",
"25",
"26",
"27",
"28",
"30",
"32",
"34",
"35",
"36",
"39",
"40",
"42",
"44",
"45",
"48",
"50",
"51",
"52",
"54",
"55",
"56",
"58",
"60",
"63",
"64",
"65",
"66",
"68",
"70",
"72",
"74",
"75",
"76",
"78",
"80",
"81",
"82",
"84",
"85",
"87",
"88",
"90",
"91",
"95",
"96",
"98",
"99",
"100"
] |
[
"nonn"
] | 12 | 1 | 2 |
[
"A005153",
"A363227",
"A385489"
] | null |
Frank M Jackson, Jun 30 2025
| 2025-07-04T20:02:15 |
oeisdata/seq/A385/A385489.seq
|
324cc43ad6331404166eace9174e4b9d
|
A385490
|
Least integer k such that the sum of its anti-divisors is equal to k - n.
|
[
"5",
"1",
"2",
"261",
"34",
"29",
"194",
"7611",
"216",
"51",
"1164",
"1251",
"1044",
"239",
"236",
"69",
"226",
"749",
"64",
"1079",
"156",
"79",
"114",
"219",
"2546",
"89",
"254",
"879",
"106",
"541",
"344",
"1619",
"96",
"531",
"454",
"991",
"293606",
"10879",
"134",
"141",
"1006",
"491",
"146",
"509",
"1214",
"639",
"366",
"13649",
"35856",
"17081",
"726"
] |
[
"nonn",
"easy"
] | 5 | 0 | 1 |
[
"A066417",
"A385451",
"A385490"
] | null |
Paolo P. Lava, Jun 30 2025
| 2025-07-04T19:49:47 |
oeisdata/seq/A385/A385490.seq
|
cae001aace80cc6bff67a1735b72d65c
|
A385491
|
Period 8: repeat [1, 8, 4, 3, 6, 5, 7, 2].
|
[
"1",
"8",
"4",
"3",
"6",
"5",
"7",
"2",
"1",
"8",
"4",
"3",
"6",
"5",
"7",
"2",
"1",
"8",
"4",
"3",
"6",
"5",
"7",
"2",
"1",
"8",
"4",
"3",
"6",
"5",
"7",
"2",
"1",
"8",
"4",
"3",
"6",
"5",
"7",
"2",
"1",
"8",
"4",
"3",
"6",
"5",
"7",
"2",
"1",
"8",
"4",
"3",
"6",
"5",
"7",
"2",
"1",
"8",
"4",
"3",
"6",
"5",
"7",
"2",
"1",
"8",
"4",
"3",
"6",
"5",
"7",
"2",
"1",
"8",
"4",
"3",
"6",
"5",
"7",
"2",
"1",
"8",
"4",
"3",
"6",
"5",
"7",
"2",
"1",
"8",
"4",
"3",
"6",
"5",
"7",
"2",
"1",
"8",
"4",
"3",
"6",
"5",
"7",
"2"
] |
[
"nonn",
"easy",
"changed"
] | 38 | 0 | 2 |
[
"A003833",
"A069892",
"A385491",
"A385634"
] | null |
Christopher W Moriarty, Jun 30 2025
| 2025-07-12T21:33:06 |
oeisdata/seq/A385/A385491.seq
|
a77ee731ef64a146a3ac5ba6b4b2be6a
|
A385492
|
Numbers y such that there exists an integer 0 < x < y such that x^sigma(x) * y^sigma(y) = (x*y)^(x+y).
|
[
"2",
"3",
"5",
"7",
"11",
"13",
"17",
"19",
"23",
"29",
"31",
"37",
"41",
"43",
"47",
"53",
"59",
"61",
"67",
"71",
"73",
"79",
"83",
"89",
"97",
"101",
"103",
"107",
"109",
"113",
"127",
"131",
"137",
"139",
"149",
"151",
"157",
"163",
"167",
"173",
"179",
"181",
"191",
"193",
"197",
"199",
"211",
"223",
"227",
"229",
"233",
"239",
"241",
"251",
"257",
"263",
"269",
"271",
"277",
"281",
"283",
"284",
"293",
"307",
"311",
"313"
] |
[
"nonn",
"new"
] | 21 | 1 | 1 |
[
"A000040",
"A000203",
"A002046",
"A385186",
"A385492"
] | null |
S. I. Dimitrov, Jun 30 2025
| 2025-07-07T16:07:29 |
oeisdata/seq/A385/A385492.seq
|
9988d76d9b0285e6d7eab8485bfda353
|
A385495
|
Most significant nonzero decimal digit of zeta(n)-1, where zeta(n) = Sum_{j >= 1} 1/j^n is the Riemann zeta function.
|
[
"6",
"2",
"8",
"3",
"1",
"8",
"4",
"2",
"9",
"4",
"2",
"1",
"6",
"3",
"1",
"7",
"3",
"1",
"9",
"4",
"2",
"1",
"5",
"2",
"1",
"7",
"3",
"1",
"9",
"4",
"2",
"1",
"5",
"2",
"1",
"7",
"3",
"1",
"9",
"4",
"2",
"1",
"5",
"2",
"1",
"7",
"3",
"1",
"8",
"4",
"2",
"1",
"5",
"2",
"1",
"6",
"3",
"1",
"8",
"4",
"2",
"1",
"5",
"2",
"1",
"6",
"3",
"1",
"8",
"4",
"2",
"1",
"5",
"2",
"1",
"6",
"3",
"1",
"8",
"4",
"2",
"1",
"5",
"2",
"1",
"6",
"3"
] |
[
"nonn",
"easy",
"base",
"new"
] | 11 | 2 | 1 |
[
"A000027",
"A013662",
"A085541",
"A085548",
"A085964",
"A085969",
"A111395",
"A385431",
"A385495"
] | null |
Marco Ripà, Jun 30 2025
| 2025-07-05T16:13:58 |
oeisdata/seq/A385/A385495.seq
|
857e6355cc54a236c0349e558c7b7fed
|
A385496
|
Decimal expansion of 1 - exp(1/2)/2.
|
[
"1",
"7",
"5",
"6",
"3",
"9",
"3",
"6",
"4",
"6",
"4",
"9",
"9",
"3",
"5",
"9",
"2",
"6",
"5",
"7",
"5",
"6",
"7",
"4",
"6",
"0",
"6",
"0",
"9",
"2",
"9",
"1",
"8",
"2",
"1",
"4",
"1",
"7",
"3",
"1",
"1",
"1",
"9",
"4",
"9",
"6",
"4",
"4",
"9",
"2",
"5",
"9",
"9",
"4",
"2",
"1",
"2",
"4",
"6",
"0",
"3",
"4",
"4",
"1",
"7",
"9",
"6",
"6",
"9",
"4",
"8",
"9",
"4",
"0",
"2",
"8",
"9",
"2",
"1",
"9",
"5",
"6",
"8",
"3",
"6",
"1",
"1",
"7",
"3",
"9",
"9",
"7",
"1",
"8",
"1",
"6",
"6",
"7",
"8",
"4",
"9",
"8",
"5",
"6",
"6"
] |
[
"nonn",
"cons",
"new"
] | 17 | 0 | 2 |
[
"A019775",
"A385496"
] | null |
Artur Jasinski, Jun 30 2025
| 2025-07-06T17:33:18 |
oeisdata/seq/A385/A385496.seq
|
6ae3027f7b48df75d8fae1341a3c9da1
|
A385499
|
a(n) is the smallest integer k such that A385392(k) = n.
|
[
"1",
"2",
"6",
"42",
"70",
"870",
"44070",
"547470",
"15410670",
"168638470"
] |
[
"nonn",
"more",
"new"
] | 14 | 1 | 2 |
[
"A384237",
"A384781",
"A384854",
"A385100",
"A385391",
"A385392",
"A385499"
] | null |
Juri-Stepan Gerasimov, Jun 30 2025
| 2025-07-08T01:03:49 |
oeisdata/seq/A385/A385499.seq
|
d927312d40abc2d63e84238aa2034bfb
|
A385500
|
Expansion of e.g.f. exp( -LambertW(-arctanh(x)) ).
|
[
"1",
"1",
"3",
"18",
"149",
"1640",
"22359",
"366128",
"6998697",
"153191808",
"3779353515",
"103800229632",
"3141633970749",
"103904351855616",
"3728602377979647",
"144297781732300800",
"5991021498320041809",
"265636734347975688192",
"12527923794824003280723",
"626224876080360687599616"
] |
[
"nonn"
] | 13 | 0 | 3 |
[
"A111594",
"A385425",
"A385500",
"A385501",
"A385502"
] | null |
Seiichi Manyama, Jul 01 2025
| 2025-07-01T08:48:54 |
oeisdata/seq/A385/A385500.seq
|
a1cc611075b93de7a94dbaf0e82f77ed
|
A385501
|
Expansion of e.g.f. (1/x) * Series_Reversion( x * exp(-arctanh(x)) ).
|
[
"1",
"1",
"3",
"18",
"165",
"2040",
"31815",
"599760",
"13268745",
"337115520",
"9674678475",
"309554784000",
"10927053262125",
"421849524096000",
"17682153623909775",
"799730490214656000",
"38820939579369572625",
"2013202580708487168000",
"111081054630965602057875",
"6497703571257963896832000"
] |
[
"nonn"
] | 19 | 0 | 3 |
[
"A001147",
"A111594",
"A138020",
"A227466",
"A385426",
"A385500",
"A385501",
"A385502"
] | null |
Seiichi Manyama, Jul 01 2025
| 2025-07-01T09:55:52 |
oeisdata/seq/A385/A385501.seq
|
fa0f361e2b8c518a850f925c2f9e7901
|
A385502
|
E.g.f. A(x) satisfies A(x) = exp( arctanh(x * A(x)) / A(x) ).
|
[
"1",
"1",
"1",
"3",
"25",
"205",
"2001",
"25991",
"394353",
"6718041",
"130319745",
"2833146987",
"67767170505",
"1772434086501",
"50392083769041",
"1546052750636655",
"50905035315373281",
"1790951445870568113",
"67050161599822764417",
"2661363261252799648083",
"111637709182606749500025"
] |
[
"nonn"
] | 18 | 0 | 4 |
[
"A111594",
"A385428",
"A385500",
"A385501",
"A385502"
] | null |
Seiichi Manyama, Jul 01 2025
| 2025-07-01T08:48:42 |
oeisdata/seq/A385/A385502.seq
|
8514eba93cde259c38e69dd5898d8fcf
|
A385503
|
Popular primes.
|
[
"2",
"3",
"5",
"7",
"13",
"19",
"23",
"31",
"43",
"47",
"73",
"83",
"109",
"113",
"199",
"283",
"467",
"661",
"773",
"887",
"1109",
"1129",
"1327",
"1627",
"2143",
"2399",
"2477",
"2803",
"2861",
"2971",
"3739",
"3931",
"3947",
"4297"
] |
[
"nonn",
"more"
] | 18 | 1 | 1 |
[
"A006530",
"A124661",
"A246033",
"A385503"
] | null |
Peter Munn, Jul 01 2025
| 2025-07-02T14:41:21 |
oeisdata/seq/A385/A385503.seq
|
0ee8f5e410bc3debc3394e4617d32f53
|
A385504
|
Binomially timely primes: primes prime(k) that do not arrive late in comparison with the binomially weighted average of prime(1) .. prime(2k-1).
|
[
"2",
"3",
"5",
"7",
"13",
"19",
"23",
"31",
"43",
"47",
"53",
"61",
"73",
"79",
"83",
"89",
"103",
"107",
"109",
"113",
"139",
"151",
"167",
"181",
"193",
"197",
"199",
"211",
"233",
"239",
"241",
"271",
"277",
"281",
"283",
"293",
"313",
"317",
"353",
"359",
"383",
"389",
"401",
"443",
"449",
"461",
"463",
"467",
"479",
"487",
"491",
"499",
"503",
"509",
"521",
"523",
"617"
] |
[
"nonn",
"new"
] | 11 | 1 | 1 |
[
"A007443",
"A060770",
"A124661",
"A302334",
"A319126",
"A385503",
"A385504"
] | null |
Peter Munn, Jul 11 2025
| 2025-07-14T10:14:12 |
oeisdata/seq/A385/A385504.seq
|
4ef69d9569718c4f45e463645bad4e2f
|
A385505
|
Decimal expansion of the volume of a biaugmented triangular prism with unit edge.
|
[
"9",
"0",
"4",
"4",
"1",
"7",
"2",
"2",
"2",
"6",
"8",
"3",
"2",
"5",
"1",
"0",
"0",
"6",
"3",
"1",
"5",
"7",
"5",
"7",
"8",
"2",
"6",
"7",
"7",
"9",
"7",
"0",
"0",
"7",
"8",
"4",
"5",
"9",
"2",
"2",
"5",
"8",
"6",
"0",
"5",
"2",
"4",
"4",
"9",
"1",
"1",
"1",
"8",
"1",
"4",
"0",
"6",
"1",
"7",
"8",
"3",
"2",
"4",
"1",
"9",
"3",
"2",
"2",
"7",
"4",
"1",
"3",
"7",
"1",
"4",
"5",
"6",
"9",
"0",
"2",
"2",
"2",
"2",
"0",
"4",
"1",
"5",
"7",
"2",
"4"
] |
[
"nonn",
"cons",
"easy"
] | 9 | 0 | 1 |
[
"A020763",
"A384141",
"A385505",
"A385506"
] | null |
Paolo Xausa, Jul 01 2025
| 2025-07-01T08:29:13 |
oeisdata/seq/A385/A385505.seq
|
00454a1a169753a4ad7d175ef2602057
|
A385506
|
Decimal expansion of the volume of a triaugmented triangular prism with unit edge.
|
[
"1",
"1",
"4",
"0",
"1",
"1",
"9",
"4",
"8",
"3",
"0",
"7",
"8",
"7",
"6",
"6",
"8",
"4",
"7",
"7",
"8",
"2",
"7",
"0",
"5",
"9",
"4",
"7",
"4",
"8",
"1",
"3",
"1",
"7",
"1",
"3",
"1",
"0",
"2",
"0",
"5",
"3",
"7",
"2",
"5",
"1",
"1",
"4",
"1",
"0",
"6",
"9",
"1",
"9",
"3",
"6",
"0",
"2",
"2",
"9",
"1",
"6",
"1",
"3",
"8",
"5",
"8",
"3",
"4",
"9",
"4",
"9",
"3",
"4",
"5",
"8",
"2",
"5",
"3",
"5",
"2",
"8",
"6",
"9",
"5",
"4",
"8",
"0",
"3",
"1"
] |
[
"nonn",
"cons",
"easy"
] | 8 | 1 | 3 |
[
"A002194",
"A010466",
"A010503",
"A097715",
"A120011",
"A385505",
"A385506"
] | null |
Paolo Xausa, Jul 01 2025
| 2025-07-01T08:29:09 |
oeisdata/seq/A385/A385506.seq
|
06ad2599d6976a0fc99a6287f2656226
|
A385507
|
a(n) = v(1 + F(2*n - 1)), where F(x) = (3*x + 1)/2^v(3*x + 1), x is any odd natural number, and v(y) is the 2-adic valuation of y.
|
[
"1",
"1",
"1",
"2",
"3",
"1",
"1",
"3",
"1",
"1",
"1",
"2",
"2",
"1",
"2",
"4",
"1",
"1",
"3",
"2",
"5",
"1",
"1",
"3",
"1",
"1",
"1",
"2",
"2",
"1",
"3",
"5",
"1",
"1",
"1",
"2",
"3",
"1",
"1",
"3",
"1",
"1",
"1",
"2",
"2",
"1",
"2",
"4",
"1",
"1",
"2",
"2",
"4",
"1",
"1",
"3",
"1",
"1",
"2",
"2",
"2",
"1",
"4",
"6",
"1",
"1",
"1",
"2",
"3",
"1",
"1",
"3",
"1",
"1",
"3",
"2",
"2",
"1",
"2",
"4"
] |
[
"nonn",
"new"
] | 13 | 1 | 4 |
[
"A001511",
"A338199",
"A385507"
] | null |
Hugo Leeney, Jul 01 2025
| 2025-07-06T17:09:29 |
oeisdata/seq/A385/A385507.seq
|
5ff35b5a1c4719d9cc68f14a76cfb42b
|
A385508
|
Decimal expansion of Sum_{k>=1} Fibonacci(k)/Catalan(k).
|
[
"2",
"3",
"5",
"1",
"9",
"6",
"8",
"9",
"1",
"5",
"4",
"4",
"7",
"3",
"8",
"0",
"7",
"2",
"5",
"8",
"3",
"2",
"2",
"4",
"9",
"3",
"5",
"4",
"0",
"3",
"5",
"5",
"6",
"1",
"8",
"8",
"1",
"1",
"2",
"0",
"3",
"6",
"7",
"5",
"9",
"6",
"8",
"5",
"3",
"2",
"7",
"7",
"0",
"8",
"7",
"2",
"4",
"6",
"2",
"0",
"9",
"6",
"4",
"6",
"4",
"1",
"6",
"1",
"8",
"9",
"1",
"5",
"4",
"2",
"5",
"5",
"7",
"5",
"8",
"3",
"0",
"3",
"0",
"3",
"3",
"6",
"2",
"6",
"9",
"5",
"3",
"8",
"0",
"0",
"6",
"9",
"7",
"9",
"8",
"9",
"2",
"5",
"0",
"0",
"6"
] |
[
"nonn",
"cons"
] | 11 | 1 | 1 |
[
"A000045",
"A000108",
"A385450",
"A385508"
] | null |
Vaclav Kotesovec, Jul 01 2025
| 2025-07-02T03:21:19 |
oeisdata/seq/A385/A385508.seq
|
bbad3120fedf9f415407e4f10bbf58d1
|
A385509
|
Decimal expansion of the volume of an augmented pentagonal prism with unit edge.
|
[
"1",
"9",
"5",
"6",
"1",
"7",
"9",
"6",
"6",
"0",
"9",
"8",
"4",
"4",
"8",
"2",
"7",
"6",
"4",
"2",
"2",
"5",
"9",
"6",
"0",
"0",
"9",
"8",
"0",
"9",
"0",
"2",
"2",
"5",
"9",
"4",
"5",
"8",
"3",
"5",
"6",
"5",
"2",
"8",
"1",
"5",
"9",
"0",
"6",
"3",
"5",
"6",
"3",
"4",
"1",
"4",
"0",
"3",
"2",
"0",
"7",
"9",
"9",
"6",
"6",
"8",
"8",
"9",
"9",
"1",
"0",
"7",
"1",
"9",
"5",
"2",
"6",
"5",
"0",
"7",
"3",
"7",
"8",
"0",
"7",
"5",
"0",
"5",
"8",
"3"
] |
[
"nonn",
"cons",
"easy"
] | 10 | 1 | 2 |
[
"A002163",
"A385509",
"A385510"
] | null |
Paolo Xausa, Jul 01 2025
| 2025-07-02T16:54:40 |
oeisdata/seq/A385/A385509.seq
|
28b096ad7155c03d00784389e8fb23de
|
A385510
|
Decimal expansion of the surface area of an augmented pentagonal prism with unit edge.
|
[
"9",
"1",
"7",
"3",
"0",
"0",
"5",
"6",
"0",
"8",
"7",
"4",
"6",
"8",
"1",
"1",
"1",
"3",
"9",
"0",
"4",
"5",
"4",
"7",
"0",
"2",
"9",
"6",
"2",
"8",
"3",
"0",
"9",
"1",
"5",
"6",
"5",
"7",
"5",
"7",
"5",
"5",
"3",
"5",
"9",
"3",
"8",
"3",
"0",
"7",
"7",
"7",
"2",
"8",
"6",
"4",
"6",
"9",
"9",
"9",
"6",
"3",
"9",
"3",
"4",
"9",
"9",
"6",
"7",
"1",
"0",
"0",
"1",
"3",
"2",
"6",
"7",
"3",
"2",
"4",
"9",
"9",
"7",
"4",
"6",
"0",
"2",
"8",
"6",
"6"
] |
[
"nonn",
"cons",
"easy"
] | 7 | 1 | 1 |
[
"A002163",
"A002194",
"A385509",
"A385510"
] | null |
Paolo Xausa, Jul 02 2025
| 2025-07-02T14:41:40 |
oeisdata/seq/A385/A385510.seq
|
16e7ddc00994323e16f17e0ed0eafdc1
|
A385511
|
Numbers that are less than the number of their ordered factorizations into squarefree numbers greater than 1.
|
[
"2520",
"5040",
"7560",
"10080",
"10800",
"12600",
"15120",
"20160",
"21600",
"22680",
"23760",
"25200",
"27720",
"30240",
"32400",
"35280",
"37800",
"43200",
"45360",
"47520",
"50400",
"52920",
"55440",
"60480",
"64800",
"65520",
"70560",
"71280",
"75600",
"79200",
"83160",
"86400",
"88200",
"90720",
"95040",
"98280",
"100800",
"105840"
] |
[
"nonn"
] | 7 | 1 | 1 |
[
"A005117",
"A050328",
"A118914",
"A147516",
"A270308",
"A340155",
"A385511"
] | null |
Amiram Eldar, Jul 01 2025
| 2025-07-01T10:14:12 |
oeisdata/seq/A385/A385511.seq
|
5a4bb84d122668a6a12064d8637589bc
|
A385512
|
a(n) is the least prime p > n in which the digits of n appear as an ordered but not necessarily contiguous subsequence.
|
[
"101",
"11",
"23",
"13",
"41",
"53",
"61",
"17",
"83",
"19",
"101",
"101",
"127",
"103",
"149",
"151",
"163",
"107",
"181",
"109",
"1201",
"211",
"223",
"223",
"241",
"251",
"263",
"127",
"281",
"229",
"307",
"131",
"1321",
"233",
"347",
"353",
"367",
"137",
"383",
"139",
"401",
"241",
"421",
"431",
"443",
"457",
"461",
"347",
"487",
"149",
"503",
"151",
"521",
"353",
"541"
] |
[
"nonn",
"base",
"new"
] | 23 | 0 | 1 |
[
"A000040",
"A068164",
"A381606",
"A385512"
] | null |
Jean-Marc Rebert, Jul 01 2025
| 2025-07-06T17:22:27 |
oeisdata/seq/A385/A385512.seq
|
c35620e8120f1ba8d83ba54ef48b0aae
|
A385515
|
Repdigit numbers whose square does not contain the repeated digit.
|
[
"2",
"3",
"4",
"7",
"8",
"9",
"22",
"33",
"44",
"77",
"88",
"333",
"444",
"3333",
"33333",
"44444",
"88888",
"333333",
"3333333",
"33333333",
"333333333",
"3333333333",
"33333333333",
"333333333333",
"3333333333333",
"33333333333333",
"333333333333333",
"3333333333333333",
"33333333333333333",
"333333333333333333"
] |
[
"nonn",
"base",
"new"
] | 18 | 1 | 1 |
[
"A002277",
"A010785",
"A029783",
"A385515"
] | null |
Gonzalo Martínez, Jul 01 2025
| 2025-07-08T07:51:26 |
oeisdata/seq/A385/A385515.seq
|
0c96813d71ff227f35376665263dfc16
|
A385516
|
Perfect powers whose digits are in strictly decreasing order.
|
[
"1",
"4",
"8",
"9",
"32",
"64",
"81",
"841",
"961"
] |
[
"nonn",
"base",
"fini",
"full"
] | 5 | 1 | 2 |
[
"A001597",
"A009995",
"A355060",
"A355062",
"A355063",
"A385516",
"A385517"
] | null |
Stefano Spezia, Jul 01 2025
| 2025-07-02T16:56:26 |
oeisdata/seq/A385/A385516.seq
|
6635261211736e59d3160dac5a2a412b
|
A385517
|
Perfect powers whose digits are in nonincreasing order.
|
[
"1",
"4",
"8",
"9",
"32",
"64",
"81",
"100",
"400",
"441",
"841",
"900",
"961",
"1000",
"6400",
"7744",
"7776",
"8000",
"8100",
"10000",
"40000",
"44100",
"64000",
"84100",
"90000",
"96100",
"100000",
"640000",
"774400",
"810000",
"1000000",
"3200000",
"4000000",
"4410000",
"8000000",
"8410000",
"8874441",
"9000000",
"9610000",
"9853321",
"10000000"
] |
[
"nonn",
"base"
] | 5 | 1 | 2 |
[
"A001597",
"A009995",
"A355060",
"A355062",
"A355063",
"A385516",
"A385517"
] | null |
Stefano Spezia, Jul 01 2025
| 2025-07-02T16:56:14 |
oeisdata/seq/A385/A385517.seq
|
cb44eb2430897064f56479b13521e18f
|
A385518
|
Numbers k such that (37^k - 3^k)/34 is prime.
|
[
"3",
"137",
"197",
"2113",
"4729",
"11497"
] |
[
"nonn",
"hard",
"more",
"new"
] | 4 | 1 | 1 |
[
"A062587",
"A062589",
"A127996",
"A127997",
"A128344",
"A204940",
"A217320",
"A225807",
"A229542",
"A375161",
"A375236",
"A377031",
"A385518"
] | null |
Robert Price, Jul 01 2025
| 2025-07-06T00:50:34 |
oeisdata/seq/A385/A385518.seq
|
97d4fd286ee813bd564bc87b949bb6ee
|
A385519
|
Primes p that divide both 2^k + 3 and 3^k + 2 for some k.
|
[
"5",
"7",
"463",
"5333",
"586471",
"12690943",
"18414001"
] |
[
"nonn",
"hard",
"more",
"new"
] | 5 | 1 | 1 |
[
"A196627",
"A385519"
] | null |
Robert Israel, Jul 01 2025
| 2025-07-06T00:51:01 |
oeisdata/seq/A385/A385519.seq
|
c570d5db441c763bfd395ad2a35eb0e6
|
A385520
|
Expansion of Product_{k>0} ((1 - q^(2*k))*(1 - q^(6*k))^3)/((1 - q^k)*(1 - q^(3*k))*(1 - q^(4*k))*(1 - q^(12*k))).
|
[
"1",
"1",
"1",
"3",
"4",
"5",
"6",
"9",
"13",
"16",
"20",
"27",
"36",
"44",
"54",
"69",
"88",
"107",
"130",
"162",
"200",
"240",
"288",
"351",
"426",
"507",
"602",
"723",
"864",
"1019",
"1200",
"1422",
"1681",
"1968",
"2300",
"2700",
"3160",
"3674",
"4266",
"4965",
"5768",
"6665",
"7692",
"8892",
"10260",
"11792",
"13536",
"15552",
"17844",
"20407"
] |
[
"nonn"
] | 16 | 0 | 4 |
[
"A293306",
"A385520"
] | null |
James Sellers, Jul 01 2025
| 2025-07-02T09:35:02 |
oeisdata/seq/A385/A385520.seq
|
765b35f04826d85c0ac638c4b5aa43d9
|
A385521
|
Decimal expansion of a constant related to A375838.
|
[
"1",
"5",
"9",
"5",
"8",
"5",
"4",
"3",
"3",
"0",
"5",
"0",
"0",
"3",
"6",
"6",
"2",
"1",
"2",
"4",
"7",
"0",
"0",
"6",
"5",
"6",
"9",
"7",
"4",
"0",
"0",
"1",
"6",
"5",
"1",
"6",
"9",
"6",
"4",
"5",
"0",
"2",
"5",
"0",
"5",
"8",
"4",
"8",
"3",
"2",
"4",
"0",
"6",
"4",
"2",
"4",
"7",
"9",
"4",
"1",
"8",
"9",
"0",
"9",
"3",
"4",
"1",
"1",
"9",
"1",
"0",
"3",
"8",
"6",
"1",
"2",
"7",
"7",
"4",
"3",
"8",
"1",
"3",
"9",
"3",
"5",
"8",
"2",
"4",
"0",
"2",
"3",
"5",
"5",
"5",
"9",
"9",
"6",
"5",
"8",
"7",
"7",
"1",
"8",
"3"
] |
[
"nonn",
"cons"
] | 9 | 1 | 2 |
[
"A005121",
"A086053",
"A086555",
"A131407",
"A246040",
"A260932",
"A330804",
"A331957",
"A375838",
"A385521"
] | null |
Vaclav Kotesovec, Jul 01 2025
| 2025-07-02T03:55:06 |
oeisdata/seq/A385/A385521.seq
|
8ff0018683c8b9cd9fa36e9ee18ae666
|
A385523
|
Numbers that are not cycle counts of inseparable graphs.
|
[
"2",
"4",
"5",
"8",
"9",
"16"
] |
[
"nonn",
"fini",
"full",
"new"
] | 23 | 1 | 1 |
[
"A385523",
"A385524"
] | null |
Thomas Zaslavsky, Jul 01 2025
| 2025-07-09T14:09:24 |
oeisdata/seq/A385/A385523.seq
|
13b5a70a47c752dd97282e89cefc087c
|
A385524
|
Numbers that are not cycle counts of inseparable cubic graphs.
|
[
"2",
"4",
"5",
"8",
"9",
"13",
"16"
] |
[
"nonn",
"fini",
"full",
"new"
] | 20 | 1 | 1 |
[
"A385523",
"A385524"
] | null |
Thomas Zaslavsky, Jul 01 2025
| 2025-07-08T23:42:12 |
oeisdata/seq/A385/A385524.seq
|
07f81cee53c6ab8233d7f6f185c08e89
|
A385526
|
E.g.f. A(x) satisfies A(x) = exp(x*A(3*x)).
|
[
"1",
"1",
"7",
"208",
"23365",
"9588976",
"14040296659",
"71747056999360",
"1255862559932597257",
"74168744207577385109248",
"14599375893944236344767578111",
"9483024632344097320792984610415616",
"20158786175666520486280070249843236771213",
"139271933359690469686747131442731382830399594496"
] |
[
"nonn"
] | 14 | 0 | 3 |
[
"A000272",
"A015084",
"A096538",
"A141369",
"A385526",
"A385527",
"A385528",
"A385529",
"A385530"
] | null |
Seiichi Manyama, Jul 02 2025
| 2025-07-02T04:18:32 |
oeisdata/seq/A385/A385526.seq
|
fa3665c2d00bce71cb4a4af7c72e25ed
|
A385527
|
E.g.f. A(x) satisfies A(x) = exp(x*A(4*x)).
|
[
"1",
"1",
"9",
"457",
"118961",
"152894961",
"940318147705",
"26967408304580857",
"3534888068831469959649",
"2084993641133372935803249505",
"5465706581663919414225671125834601",
"63043356313898446097762231466174924913065",
"3173076775252515207774429654590479617164788572049"
] |
[
"nonn"
] | 13 | 0 | 3 |
[
"A000272",
"A015085",
"A096538",
"A141369",
"A385526",
"A385527",
"A385528",
"A385529",
"A385530"
] | null |
Seiichi Manyama, Jul 02 2025
| 2025-07-02T04:18:41 |
oeisdata/seq/A385/A385527.seq
|
76a11d8a22f0d5e53daac13452220210
|
A385528
|
E.g.f. A(x) satisfies A(x) = exp(x*A(-2*x)).
|
[
"1",
"1",
"-3",
"-47",
"1385",
"119601",
"-22345691",
"-10181013695",
"10346973518097",
"23934447308323873",
"-122307331801326167539",
"-1379021793666951568998159",
"33874331587448813081748999673",
"1804181313330860398948564389193681",
"-206892703326367302570264123699846971211"
] |
[
"sign"
] | 10 | 0 | 3 |
[
"A000272",
"A015097",
"A096538",
"A141369",
"A385526",
"A385527",
"A385528",
"A385529",
"A385530"
] | null |
Seiichi Manyama, Jul 02 2025
| 2025-07-02T14:42:34 |
oeisdata/seq/A385/A385528.seq
|
bb0a014663bf1428c649975777bc644f
|
A385529
|
E.g.f. A(x) satisfies A(x) = exp(x*A(-3*x)).
|
[
"1",
"1",
"-5",
"-152",
"15949",
"6548656",
"-9510189137",
"-48598095401792",
"849885323784381337",
"50192539805114962349824",
"-9878895951508580401879879229",
"-6416836884643090722807370469927936",
"13640603845766595275775514993987722683941",
"94239467260528503337471761892783659993298198528"
] |
[
"sign"
] | 10 | 0 | 3 |
[
"A000272",
"A015098",
"A096538",
"A141369",
"A385526",
"A385527",
"A385528",
"A385529",
"A385530"
] | null |
Seiichi Manyama, Jul 02 2025
| 2025-07-02T14:42:27 |
oeisdata/seq/A385/A385529.seq
|
945097ac1af30548ab35eee70256c132
|
A385530
|
E.g.f. A(x) satisfies A(x) = exp(x*A(-4*x)).
|
[
"1",
"1",
"-7",
"-359",
"90705",
"116586321",
"-715618113143",
"-20523234900205911",
"2689857437569063003169",
"1586566688643256394542888225",
"-4159073515698730238218108546470759",
"-47972197129364591236078587520718376138951",
"2414519164037893898620724924577882591112859773297"
] |
[
"sign"
] | 11 | 0 | 3 |
[
"A000272",
"A015099",
"A096538",
"A141369",
"A385526",
"A385527",
"A385528",
"A385529",
"A385530"
] | null |
Seiichi Manyama, Jul 02 2025
| 2025-07-02T14:42:21 |
oeisdata/seq/A385/A385530.seq
|
be657871498228c6a59f30c209ad0b5d
|
A385531
|
Numbers x such that there exist three integers 0<x<=y<=z and t>0 such that sigma(x)^2 = sigma(y)^2 = sigma(z)^2 = x^2 + y^2 + z^2 + t^2.
|
[
"4",
"6",
"28",
"45",
"48",
"60",
"156",
"204",
"208",
"360",
"496",
"1170",
"2016",
"2520",
"2925",
"3480",
"4796",
"5532",
"5733",
"7152",
"7605",
"8128",
"9680",
"11050",
"12402",
"15776",
"33468",
"36720",
"37064",
"38408",
"43584",
"50960",
"55216",
"63708",
"70364",
"83772",
"92280",
"106700",
"114840",
"116288",
"149400",
"163800",
"166617",
"167580"
] |
[
"nonn",
"hard",
"new"
] | 35 | 1 | 1 |
[
"A000203",
"A000414",
"A385356",
"A385397",
"A385531"
] | null |
S. I. Dimitrov, Jul 02 2025
| 2025-07-09T23:33:33 |
oeisdata/seq/A385/A385531.seq
|
4fd2ef2027cf5491f412f25c19aafb24
|
A385532
|
Second prepended column of the tribonacci array of the second kind, A385436.
|
[
"-1",
"0",
"0",
"1",
"2",
"2",
"3",
"4",
"4",
"5",
"6",
"6",
"7",
"7",
"8",
"9",
"9",
"10",
"11",
"11",
"12",
"13",
"13",
"14",
"15",
"15",
"16",
"17",
"17",
"18",
"19",
"19",
"20",
"20",
"21",
"22",
"22",
"23",
"24",
"24",
"25",
"26",
"26",
"27",
"28",
"28",
"29",
"30",
"30",
"31",
"31",
"32",
"33",
"33",
"34",
"35",
"35",
"36",
"37",
"37",
"38",
"39",
"39",
"40",
"41",
"41",
"42",
"43",
"43",
"44"
] |
[
"sign",
"new"
] | 18 | 1 | 5 |
[
"A278039",
"A385436",
"A385532"
] | null |
A.H.M. Smeets, Jul 02 2025
| 2025-07-09T10:17:06 |
oeisdata/seq/A385/A385532.seq
|
f8e527d7d9ec847bf745d845791b4691
|
A385533
|
Third prepended column of the tribonacci array of the second kind, A385436.
|
[
"-1",
"-1",
"0",
"0",
"0",
"1",
"1",
"1",
"2",
"2",
"2",
"3",
"3",
"4",
"4",
"4",
"5",
"5",
"5",
"6",
"6",
"6",
"7",
"7",
"7",
"8",
"8",
"8",
"9",
"9",
"9",
"10",
"10",
"11",
"11",
"11",
"12",
"12",
"12",
"13",
"13",
"13",
"14",
"14",
"14",
"15",
"15",
"15",
"16",
"16",
"17",
"17",
"17",
"18",
"18",
"18",
"19",
"19",
"19",
"20",
"20",
"20",
"21",
"21",
"21",
"22",
"22",
"22",
"23",
"23",
"24",
"24",
"24"
] |
[
"sign",
"new"
] | 15 | 1 | 9 |
[
"A353084",
"A385436",
"A385533"
] | null |
A.H.M. Smeets, Jul 02 2025
| 2025-07-09T10:17:17 |
oeisdata/seq/A385/A385533.seq
|
e130fe3a442eac5b8353360ab4e19a9f
|
A385534
|
Decimal expansion of the volume of a biaugmented pentagonal prism with unit edge.
|
[
"2",
"1",
"9",
"1",
"8",
"8",
"1",
"9",
"2",
"1",
"3",
"7",
"9",
"9",
"9",
"8",
"6",
"0",
"5",
"6",
"9",
"2",
"9",
"0",
"8",
"2",
"1",
"8",
"7",
"9",
"1",
"8",
"4",
"2",
"2",
"9",
"2",
"2",
"6",
"3",
"9",
"3",
"1",
"4",
"6",
"1",
"8",
"0",
"2",
"5",
"1",
"4",
"3",
"5",
"3",
"5",
"9",
"9",
"3",
"2",
"1",
"2",
"8",
"6",
"3",
"5",
"4",
"1",
"1",
"3",
"1",
"5",
"1",
"6",
"9",
"6",
"3",
"3",
"5",
"2",
"4",
"4",
"2",
"8",
"2",
"5",
"7",
"0",
"4",
"1"
] |
[
"nonn",
"cons",
"easy"
] | 8 | 1 | 1 |
[
"A002163",
"A385509",
"A385534",
"A385535"
] | null |
Paolo Xausa, Jul 03 2025
| 2025-07-03T10:05:42 |
oeisdata/seq/A385/A385534.seq
|
5ac42f4a31d043b036fbd6f52de459f2
|
A385535
|
Decimal expansion of the surface area of a biaugmented pentagonal prism with unit edge.
|
[
"9",
"9",
"0",
"5",
"0",
"5",
"6",
"4",
"1",
"6",
"3",
"1",
"5",
"6",
"8",
"8",
"4",
"3",
"2",
"5",
"7",
"2",
"9",
"1",
"6",
"6",
"3",
"7",
"7",
"8",
"8",
"9",
"6",
"3",
"9",
"3",
"2",
"7",
"0",
"0",
"3",
"5",
"8",
"8",
"4",
"7",
"6",
"4",
"1",
"1",
"5",
"7",
"9",
"1",
"4",
"5",
"2",
"5",
"8",
"0",
"3",
"3",
"7",
"2",
"9",
"5",
"1",
"6",
"0",
"4",
"0",
"1",
"8",
"2",
"3",
"5",
"5",
"3",
"2",
"5",
"3",
"6",
"8",
"2",
"7",
"1",
"7",
"4",
"8",
"5"
] |
[
"nonn",
"cons",
"easy"
] | 7 | 1 | 1 |
[
"A002163",
"A010469",
"A385510",
"A385534",
"A385535"
] | null |
Paolo Xausa, Jul 03 2025
| 2025-07-03T10:05:38 |
oeisdata/seq/A385/A385535.seq
|
62aff1c0f6f5cf29b0de112004ff910c
|
A385536
|
Integers k formed by the concatenation of 3 consecutive prime numbers such that k is divisible by at least one of those 3 primes.
|
[
"235",
"357",
"71113",
"374143",
"616771",
"167173179",
"143914471451",
"909071909089909091",
"104651162787110465116278991046511627907"
] |
[
"nonn",
"base",
"more",
"new"
] | 20 | 1 | 1 |
[
"A132903",
"A255669",
"A258182",
"A385536"
] | null |
Gonzalo Martínez, Jul 02 2025
| 2025-07-10T22:52:24 |
oeisdata/seq/A385/A385536.seq
|
cea89658f866a99fda241d80f246d12a
|
A385537
|
Indices k such that the repunit (10^k-1)/9 is coprime with any other nonzero binary vector of the same length in base 10.
|
[
"0",
"1",
"2",
"3",
"5",
"7",
"11",
"17",
"19",
"23"
] |
[
"nonn",
"base",
"more",
"new"
] | 29 | 1 | 3 |
[
"A004023",
"A378199",
"A378511",
"A378761",
"A385537",
"A385539",
"A385579"
] | null |
Dmytro Inosov, Jul 02 2025
| 2025-07-07T17:21:16 |
oeisdata/seq/A385/A385537.seq
|
5a50eea0fad82c36c9003809c3c363d4
|
A385538
|
First differences of A184859.
|
[
"1",
"2",
"6",
"2",
"6",
"4",
"6",
"2",
"6",
"10",
"6",
"8",
"10",
"2",
"6",
"4",
"6",
"8",
"10",
"6",
"18",
"8",
"10",
"8",
"6",
"4",
"6",
"8",
"10",
"2",
"4",
"2",
"24",
"4",
"6",
"6",
"2",
"10",
"6",
"12",
"8",
"6",
"10",
"14",
"4",
"6",
"20",
"12",
"4",
"6",
"8",
"12",
"4",
"18",
"8",
"10",
"2",
"22",
"18",
"2",
"16",
"8",
"16",
"18",
"2",
"24",
"10",
"6",
"8",
"16",
"12",
"8",
"6",
"18",
"10",
"6",
"12",
"14"
] |
[
"nonn",
"easy",
"new"
] | 32 | 1 | 2 |
[
"A001622",
"A007067",
"A184859",
"A385538"
] | null |
Guido Heinig, Jul 02 2025
| 2025-07-14T20:10:31 |
oeisdata/seq/A385/A385538.seq
|
64972fa760f03fd974f8010960f87b2a
|
A385540
|
Number of values of nonnegative s < n such that s^s == (-s)^s == s (mod n).
|
[
"1",
"1",
"0",
"0",
"0",
"2",
"1",
"0",
"1",
"2",
"0",
"1",
"0",
"3",
"2",
"0",
"0",
"4",
"0",
"1",
"2",
"3",
"1",
"1",
"2",
"4",
"1",
"3",
"0",
"4",
"1",
"0",
"3",
"2",
"1",
"3",
"1",
"3",
"2",
"1",
"1",
"6",
"0",
"3",
"4",
"3",
"1",
"1",
"3",
"6",
"2",
"2",
"0",
"4",
"3",
"2",
"1",
"3",
"0",
"3",
"1",
"3",
"7",
"0",
"3",
"6",
"0",
"1",
"3",
"6",
"1",
"3",
"1",
"4",
"5",
"3",
"4",
"6",
"1",
"1",
"4",
"3",
"0",
"5",
"0",
"4",
"4",
"2",
"1",
"8",
"4",
"2",
"3",
"3",
"2",
"1",
"0",
"8",
"5",
"5"
] |
[
"nonn",
"new"
] | 12 | 1 | 6 |
[
"A065295",
"A384781",
"A385540",
"A385541"
] | null |
Juri-Stepan Gerasimov, Jul 02 2025
| 2025-07-09T10:15:49 |
oeisdata/seq/A385/A385540.seq
|
cc15be0aa51d82066612494e21fcbdf0
|
A385541
|
Number of divisors of n such that d^d == (-d)^d == d (mod n).
|
[
"1",
"2",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"2",
"1",
"2",
"1",
"2",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"2",
"1",
"2",
"1",
"4",
"1",
"1",
"1",
"2",
"1",
"2",
"1",
"2",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"2",
"1",
"2",
"1",
"2",
"1",
"1",
"1",
"2",
"1",
"2",
"1",
"2",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"3",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"2",
"1",
"2",
"1",
"2",
"1",
"3",
"1",
"2",
"1",
"1",
"1",
"3",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"2",
"1",
"1"
] |
[
"nonn",
"new"
] | 6 | 1 | 2 |
[
"A000005",
"A384237",
"A384854",
"A385392",
"A385540",
"A385541"
] | null |
Juri-Stepan Gerasimov, Jul 02 2025
| 2025-07-07T23:48:07 |
oeisdata/seq/A385/A385541.seq
|
f741ba280c4579b9eb59a80301a7d00d
|
A385542
|
The sum of the aliquot divisors of n that are powerful.
|
[
"0",
"1",
"1",
"1",
"1",
"1",
"1",
"5",
"1",
"1",
"1",
"5",
"1",
"1",
"1",
"13",
"1",
"10",
"1",
"5",
"1",
"1",
"1",
"13",
"1",
"1",
"10",
"5",
"1",
"1",
"1",
"29",
"1",
"1",
"1",
"14",
"1",
"1",
"1",
"13",
"1",
"1",
"1",
"5",
"10",
"1",
"1",
"29",
"1",
"26",
"1",
"5",
"1",
"37",
"1",
"13",
"1",
"1",
"1",
"5",
"1",
"1",
"10",
"61",
"1",
"1",
"1",
"5",
"1",
"1",
"1",
"58",
"1",
"1",
"26",
"5",
"1",
"1",
"1",
"29",
"37"
] |
[
"nonn",
"easy",
"new"
] | 11 | 1 | 8 |
[
"A001248",
"A001694",
"A002117",
"A005117",
"A078434",
"A112526",
"A167207",
"A183097",
"A385542"
] | null |
Amiram Eldar, Jul 03 2025
| 2025-07-05T08:59:32 |
oeisdata/seq/A385/A385542.seq
|
3bc0daa8800fbb768a1e35432149ef14
|
A385543
|
G.f. A(x) satisfies A(x) = Sum_{k>=0} x^k * A(k^2*x).
|
[
"1",
"1",
"2",
"7",
"49",
"676",
"18861",
"1062533",
"121557594",
"28281916427",
"13399862563765",
"12949857822909156",
"25549330363139585961",
"103025771800413460066681",
"849971455496325163128172498",
"14359775106466928789344919850719",
"497276944869002836686738999984515113"
] |
[
"nonn",
"easy"
] | 13 | 0 | 3 |
[
"A125282",
"A385543",
"A385547"
] | null |
Seiichi Manyama, Jul 03 2025
| 2025-07-03T15:01:59 |
oeisdata/seq/A385/A385543.seq
|
66629a56164292a2e9a4e06765b4f4fe
|
A385544
|
G.f. A(x) satisfies A(x) = 1 + Sum_{k>=1} k * x^k * A(k*x).
|
[
"1",
"1",
"3",
"10",
"47",
"309",
"2846",
"37021",
"681653",
"17809832",
"661559047",
"34979604911",
"2635492535328",
"283176079413813",
"43418520087991775",
"9505069880265893234",
"2972315533856872301859",
"1328214006502208982129889",
"848461208731369665554869614",
"775048547251487987362405899361"
] |
[
"nonn",
"easy"
] | 14 | 0 | 3 |
[
"A125282",
"A385544",
"A385548"
] | null |
Seiichi Manyama, Jul 03 2025
| 2025-07-03T05:46:39 |
oeisdata/seq/A385/A385544.seq
|
ecdad414f16b0436ac8c26c30048353f
|
A385545
|
G.f. A(x) satisfies A(x) = 1 + Sum_{k>=1} x^k * A(k^k*x).
|
[
"1",
"1",
"2",
"7",
"67",
"2230",
"291361",
"175199847",
"539106921036",
"9670093811773995",
"1069862206887191422681",
"807978416441576833409563956",
"4375214603169633800454711727052741",
"183123024189390881947159236684046056294761",
"63910309174503171773375590763352136484437788465230"
] |
[
"nonn",
"easy"
] | 8 | 0 | 3 |
[
"A385545",
"A385549"
] | null |
Seiichi Manyama, Jul 03 2025
| 2025-07-03T05:39:10 |
oeisdata/seq/A385/A385545.seq
|
ebb09dda1a66edb07df9e3eec5e3bf25
|
A385546
|
E.g.f. A(x) satisfies A(x) = Sum_{k>=0} x^k/k! * A(2*k*x).
|
[
"1",
"1",
"5",
"73",
"2841",
"275841",
"64191133",
"34819498953",
"43138054887665",
"120180168811524673",
"743714973197251893621",
"10121932780068673030506249",
"300492979488426431579059718281",
"19324971141736799892467667226925889",
"2676450415125002650227336306537165370253",
"794234262095484293816451881720629809901365001"
] |
[
"nonn"
] | 14 | 0 | 3 |
[
"A125281",
"A195067",
"A385546",
"A385550"
] | null |
Seiichi Manyama, Jul 03 2025
| 2025-07-03T07:29:26 |
oeisdata/seq/A385/A385546.seq
|
bc4820638bb4ce2f84c222823ac3a2f6
|
A385547
|
E.g.f. A(x) satisfies A(x) = Sum_{k>=0} x^k/k! * A(k^2*x).
|
[
"1",
"1",
"3",
"22",
"413",
"18656",
"2030287",
"513423436",
"300561564025",
"398653905380896",
"1192260459720446171",
"7941386767782184832204",
"117226647607145106003271333",
"3808187092459275036716509871776",
"271053748414379190468548152694690551",
"42093494971632722160142716694680694172956"
] |
[
"nonn"
] | 11 | 0 | 3 |
[
"A125281",
"A385543",
"A385547"
] | null |
Seiichi Manyama, Jul 03 2025
| 2025-07-03T14:24:21 |
oeisdata/seq/A385/A385547.seq
|
1dcee8a3409519706bc1401e660eb60e
|
A385548
|
E.g.f. A(x) satisfies A(x) = 1 + Sum_{k>=1} k * x^k/k! * A(k*x).
|
[
"1",
"1",
"4",
"27",
"340",
"7185",
"254046",
"14579341",
"1345796824",
"196990674705",
"45358607173690",
"16288829003062341",
"9064769868554283060",
"7771093242706161635449",
"10211642577081863563621990",
"20477419392449457003138477885",
"62420691099194078521450782932656"
] |
[
"nonn"
] | 9 | 0 | 3 |
[
"A385544",
"A385548"
] | null |
Seiichi Manyama, Jul 03 2025
| 2025-07-03T05:42:33 |
oeisdata/seq/A385/A385548.seq
|
b6dd76edff223d0a20a5cc9491aa3f64
|
A385549
|
E.g.f. A(x) satisfies A(x) = 1 + Sum_{k>=1} x^k/k! * A(k^k*x).
|
[
"1",
"1",
"3",
"22",
"485",
"39656",
"13728727",
"23504091976",
"217222339567305",
"11972137817048914432",
"4304083020059321056972331",
"10600269341446094180819889667904",
"198940291371181763050955199480451552141",
"29410239601719493601916774106238015393066939104"
] |
[
"nonn"
] | 9 | 0 | 3 |
[
"A385545",
"A385549"
] | null |
Seiichi Manyama, Jul 03 2025
| 2025-07-03T05:43:27 |
oeisdata/seq/A385/A385549.seq
|
ccb0ec382d8b83bb7f01fcf809a7d29a
|
A385550
|
E.g.f. A(x) satisfies A(x) = Sum_{k>=0} x^k/k! * A(-k*x).
|
[
"1",
"1",
"-1",
"-8",
"-3",
"516",
"235",
"-336258",
"-3909367",
"1462013704",
"28386802071",
"-43272301150110",
"-3999150112115411",
"7064064858964289580",
"1224799123758409303091",
"-6776368902478388538739274",
"-3903339581644484604889375215",
"32981625415507385681195122476432"
] |
[
"sign"
] | 9 | 0 | 4 |
[
"A125281",
"A385546",
"A385550",
"A385551"
] | null |
Seiichi Manyama, Jul 03 2025
| 2025-07-03T09:30:15 |
oeisdata/seq/A385/A385550.seq
|
18cb1b542401b033cd85b7756099080e
|
A385551
|
G.f. A(x) satisfies A(x) = Sum_{k>=0} x^k * A(-k*x).
|
[
"1",
"1",
"0",
"-1",
"-1",
"4",
"3",
"-147",
"-770",
"15721",
"107475",
"-10571326",
"-227719699",
"23388067045",
"997369658304",
"-266390905549461",
"-23979310388230253",
"11854227262950292612",
"2477760824989752459951",
"-2291696206079126389222423",
"-973819883013544085453392378",
"1953283201528648806346685956669"
] |
[
"sign",
"easy"
] | 9 | 0 | 6 |
[
"A125282",
"A195067",
"A385550",
"A385551"
] | null |
Seiichi Manyama, Jul 03 2025
| 2025-07-03T09:30:19 |
oeisdata/seq/A385/A385551.seq
|
9f427fcdb6b063b171556dd6bc701011
|
A385552
|
Period of {binomial(N,n) mod 5: N in Z}.
|
[
"1",
"5",
"5",
"5",
"5",
"25",
"25",
"25",
"25",
"25",
"25",
"25",
"25",
"25",
"25",
"25",
"25",
"25",
"25",
"25",
"25",
"25",
"25",
"25",
"25",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125",
"125"
] |
[
"nonn",
"easy",
"new"
] | 17 | 0 | 2 |
[
"A062383",
"A064235",
"A349593",
"A385552",
"A385553",
"A385554"
] | null |
Jianing Song, Jul 03 2025
| 2025-07-06T12:22:53 |
oeisdata/seq/A385/A385552.seq
|
6b1f55c2cf03a58292d86f19f6071640
|
A385553
|
Period of {binomial(N,n) mod 6: N in Z}.
|
[
"1",
"6",
"12",
"36",
"72",
"72",
"72",
"72",
"144",
"432",
"432",
"432",
"432",
"432",
"432",
"432",
"864",
"864",
"864",
"864",
"864",
"864",
"864",
"864",
"864",
"864",
"864",
"2592",
"2592",
"2592",
"2592",
"2592",
"5184",
"5184",
"5184",
"5184",
"5184",
"5184",
"5184",
"5184",
"5184",
"5184",
"5184",
"5184",
"5184",
"5184",
"5184",
"5184",
"5184",
"5184",
"5184",
"5184",
"5184"
] |
[
"nonn",
"easy",
"new"
] | 13 | 0 | 2 |
[
"A062383",
"A064235",
"A349593",
"A385552",
"A385553",
"A385554"
] | null |
Jianing Song, Jul 03 2025
| 2025-07-06T10:06:52 |
oeisdata/seq/A385/A385553.seq
|
8cda2bb293cc2e7a2698f97b7471d1c1
|
A385554
|
Period of {binomial(N,n) mod 10: N in Z}.
|
[
"1",
"10",
"20",
"20",
"40",
"200",
"200",
"200",
"400",
"400",
"400",
"400",
"400",
"400",
"400",
"400",
"800",
"800",
"800",
"800",
"800",
"800",
"800",
"800",
"800",
"4000",
"4000",
"4000",
"4000",
"4000",
"4000",
"4000",
"8000",
"8000",
"8000",
"8000",
"8000",
"8000",
"8000",
"8000",
"8000",
"8000",
"8000",
"8000",
"8000",
"8000",
"8000",
"8000",
"8000",
"8000",
"8000",
"8000"
] |
[
"nonn",
"easy",
"new"
] | 15 | 0 | 2 |
[
"A062383",
"A064235",
"A349593",
"A385552",
"A385553",
"A385554"
] | null |
Jianing Song, Jul 03 2025
| 2025-07-06T10:06:58 |
oeisdata/seq/A385/A385554.seq
|
30677fa5f71ce46cb7b0019c7355f1dc
|
A385555
|
Period of {binomial(N,3) mod n: N in Z}.
|
[
"1",
"4",
"9",
"8",
"5",
"36",
"7",
"16",
"27",
"20",
"11",
"72",
"13",
"28",
"45",
"32",
"17",
"108",
"19",
"40",
"63",
"44",
"23",
"144",
"25",
"52",
"81",
"56",
"29",
"180",
"31",
"64",
"99",
"68",
"35",
"216",
"37",
"76",
"117",
"80",
"41",
"252",
"43",
"88",
"135",
"92",
"47",
"288",
"49",
"100",
"153",
"104",
"53",
"324",
"55",
"112",
"171",
"116",
"59",
"360"
] |
[
"nonn",
"easy",
"mult",
"new"
] | 18 | 1 | 2 |
[
"A022998",
"A089128",
"A349593",
"A385555",
"A385556",
"A385557",
"A385558",
"A385559",
"A385560"
] | null |
Jianing Song, Jul 03 2025
| 2025-07-07T11:49:23 |
oeisdata/seq/A385/A385555.seq
|
a7c61370d18c31e2da77d6319980007d
|
A385556
|
Period of {binomial(N,4) mod n: N in Z}.
|
[
"1",
"8",
"9",
"16",
"5",
"72",
"7",
"32",
"27",
"40",
"11",
"144",
"13",
"56",
"45",
"64",
"17",
"216",
"19",
"80",
"63",
"88",
"23",
"288",
"25",
"104",
"81",
"112",
"29",
"360",
"31",
"128",
"99",
"136",
"35",
"432",
"37",
"152",
"117",
"160",
"41",
"504",
"43",
"176",
"135",
"184",
"47",
"576",
"49",
"200",
"153",
"208",
"53",
"648",
"55",
"224",
"171",
"232",
"59",
"720"
] |
[
"nonn",
"easy",
"mult",
"new"
] | 19 | 1 | 2 |
[
"A000034",
"A022998",
"A089128",
"A349593",
"A385555",
"A385556",
"A385557",
"A385558",
"A385559",
"A385560"
] | null |
Jianing Song, Jul 03 2025
| 2025-07-07T11:50:34 |
oeisdata/seq/A385/A385556.seq
|
3339d1935c29d1c21dd2686b73ad9500
|
A385557
|
Period of {binomial(N,5) mod n: N in Z}. Also, period of {binomial(N,6) mod n: N in Z}.
|
[
"1",
"8",
"9",
"16",
"25",
"72",
"7",
"32",
"27",
"200",
"11",
"144",
"13",
"56",
"225",
"64",
"17",
"216",
"19",
"400",
"63",
"88",
"23",
"288",
"125",
"104",
"81",
"112",
"29",
"1800",
"31",
"128",
"99",
"136",
"175",
"432",
"37",
"152",
"117",
"800",
"41",
"504",
"43",
"176",
"675",
"184",
"47",
"576",
"49",
"1000",
"153",
"208",
"53",
"648",
"275",
"224",
"171",
"232",
"59",
"3600"
] |
[
"nonn",
"easy",
"mult",
"new"
] | 19 | 1 | 2 |
[
"A022998",
"A349593",
"A385555",
"A385556",
"A385557",
"A385558",
"A385559",
"A385560"
] | null |
Jianing Song, Jul 03 2025
| 2025-07-07T11:54:26 |
oeisdata/seq/A385/A385557.seq
|
af6e9ec6087bbb0072bac72a322267c2
|
A385558
|
Period of {binomial(N,7) mod n: N in Z}.
|
[
"1",
"8",
"9",
"16",
"25",
"72",
"49",
"32",
"27",
"200",
"11",
"144",
"13",
"392",
"225",
"64",
"17",
"216",
"19",
"400",
"441",
"88",
"23",
"288",
"125",
"104",
"81",
"784",
"29",
"1800",
"31",
"128",
"99",
"136",
"1225",
"432",
"37",
"152",
"117",
"800",
"41",
"3528",
"43",
"176",
"675",
"184",
"47",
"576",
"343",
"1000",
"153",
"208",
"53",
"648",
"275",
"1568",
"171",
"232",
"59",
"3600"
] |
[
"nonn",
"easy",
"mult",
"new"
] | 18 | 1 | 2 |
[
"A022998",
"A349593",
"A385555",
"A385556",
"A385557",
"A385558",
"A385559",
"A385560"
] | null |
Jianing Song, Jul 03 2025
| 2025-07-07T11:54:12 |
oeisdata/seq/A385/A385558.seq
|
588700c565ad38c72bebd6b5048f967c
|
A385559
|
Period of {binomial(N,8) mod n: N in Z}.
|
[
"1",
"16",
"9",
"32",
"25",
"144",
"49",
"64",
"27",
"400",
"11",
"288",
"13",
"784",
"225",
"128",
"17",
"432",
"19",
"800",
"441",
"176",
"23",
"576",
"125",
"208",
"81",
"1568",
"29",
"3600",
"31",
"256",
"99",
"272",
"1225",
"864",
"37",
"304",
"117",
"1600",
"41",
"7056",
"43",
"352",
"675",
"368",
"47",
"1152",
"343",
"2000",
"153",
"416",
"53",
"1296",
"275",
"3136",
"171",
"464",
"59",
"7200"
] |
[
"nonn",
"easy",
"mult",
"new"
] | 18 | 1 | 2 |
[
"A022998",
"A349593",
"A385555",
"A385556",
"A385557",
"A385558",
"A385559",
"A385560"
] | null |
Jianing Song, Jul 03 2025
| 2025-07-07T11:54:39 |
oeisdata/seq/A385/A385559.seq
|
b39588ec7d844971dd4a5c4737ae66c1
|
A385560
|
Period of {binomial(N,9) mod n: N in Z}. Also, period of {binomial(N,10) mod n: N in Z}.
|
[
"1",
"16",
"27",
"32",
"25",
"432",
"49",
"64",
"81",
"400",
"11",
"864",
"13",
"784",
"675",
"128",
"17",
"1296",
"19",
"800",
"1323",
"176",
"23",
"1728",
"125",
"208",
"243",
"1568",
"29",
"10800",
"31",
"256",
"297",
"272",
"1225",
"2592",
"37",
"304",
"351",
"1600",
"41",
"21168",
"43",
"352",
"2025",
"368",
"47",
"3456",
"343",
"2000",
"459",
"416",
"53",
"3888",
"275",
"3136",
"513",
"464",
"59",
"21600"
] |
[
"nonn",
"easy",
"mult",
"new"
] | 19 | 1 | 2 |
[
"A022998",
"A349593",
"A385555",
"A385556",
"A385557",
"A385558",
"A385559",
"A385560"
] | null |
Jianing Song, Jul 03 2025
| 2025-07-07T11:54:50 |
oeisdata/seq/A385/A385560.seq
|
d74a7089b6376237748545ecd119fee5
|
A385561
|
Numbers m such that (1/m) * Sum_{k=1..m} phi(k)/k is closer to 6/Pi^2 than it is for any number smaller than m, where phi is the Euler totient function (A000010).
|
[
"1",
"2",
"3",
"4",
"6",
"10",
"12",
"16",
"22",
"28",
"36",
"66",
"96",
"100",
"126",
"156",
"190",
"330",
"430",
"540",
"820",
"876",
"1086",
"1422",
"10596",
"10836",
"18096",
"35796",
"55786",
"69336",
"111100",
"168666",
"284650",
"905950",
"1482300",
"1745590",
"2405560",
"2661310",
"4023306",
"5869956",
"17454580",
"25670646",
"51305346",
"79969618",
"211025650",
"622626790"
] |
[
"nonn",
"new"
] | 6 | 1 | 2 |
[
"A000010",
"A059956",
"A071708",
"A072155",
"A330899",
"A385561",
"A385562"
] | null |
Amiram Eldar, Jul 03 2025
| 2025-07-05T11:24:59 |
oeisdata/seq/A385/A385561.seq
|
dc358c0d2f47606a206770f940eccb52
|
A385562
|
Numbers m such that (1/m) * Sum_{k=1..m} k/phi(k) sets a record value, where phi is the Euler totient function (A000010).
|
[
"1",
"2",
"4",
"6",
"12",
"18",
"22",
"24",
"30",
"42",
"60",
"66",
"72",
"78",
"84",
"90",
"114",
"120",
"150",
"156",
"180",
"198",
"210",
"300",
"330",
"390",
"420",
"510",
"546",
"570",
"600",
"630",
"750",
"780",
"840",
"966",
"990",
"1122",
"1170",
"1200",
"1260",
"1410",
"1470",
"1560",
"1596",
"1620",
"1650",
"1680",
"1806",
"1830",
"1890",
"1980",
"2100"
] |
[
"nonn",
"new"
] | 9 | 1 | 2 |
[
"A000010",
"A068885",
"A069947",
"A082695",
"A330899",
"A385561",
"A385562"
] | null |
Amiram Eldar, Jul 03 2025
| 2025-07-05T11:25:03 |
oeisdata/seq/A385/A385562.seq
|
ca1447dad0c4730b6aff4e6bdbf59589
|
A385564
|
Prime powers k such that lcm(1, 2, 3, ..., k)-1 is prime.
|
[
"3",
"4",
"5",
"7",
"8",
"19",
"23",
"29",
"32",
"47",
"61",
"97",
"181",
"233",
"307",
"401",
"887",
"1021",
"1087",
"1361",
"1481",
"2053",
"2293",
"5407",
"5857",
"11059",
"14281",
"27277",
"27803",
"36497",
"44987",
"53017"
] |
[
"nonn",
"new"
] | 23 | 1 | 1 |
[
"A000961",
"A003418",
"A051453",
"A057824",
"A057825",
"A154524",
"A385564"
] | null |
Jeppe Stig Nielsen, Jul 03 2025
| 2025-07-09T11:00:52 |
oeisdata/seq/A385/A385564.seq
|
d59b5898033127f3ed7ace52b678bf62
|
A385565
|
a(n) is the smallest positive integer k such that the Diophantine equation x^3 + y^3 + z^3 = k^4, where 0 < x < y < z has exactly n integer solutions.
|
[
"11",
"21",
"64",
"144",
"330",
"846",
"342",
"252",
"1331",
"1008",
"720",
"1890",
"3780",
"729",
"4200",
"2016",
"1000",
"216",
"6300",
"8352",
"10800",
"12312",
"8568",
"19440",
"8280",
"9576",
"21204"
] |
[
"nonn",
"more",
"new"
] | 15 | 1 | 1 |
[
"A024975",
"A025419",
"A377444",
"A385354",
"A385565",
"A385566"
] | null |
Zhining Yang, Jul 03 2025
| 2025-07-18T14:46:46 |
oeisdata/seq/A385/A385565.seq
|
abd2e63624c8295a899143b16ca30130
|
A385566
|
a(n) is the smallest positive integer k such that the Diophantine equation x^3 + y^3 + z^3 = k^6, where 0 < x < y < z has exactly n integer solutions.
|
[
"3",
"6",
"16",
"12",
"27",
"63",
"38",
"24",
"94",
"18",
"123",
"42",
"93",
"75",
"141",
"48",
"66",
"36",
"153",
"60",
"140",
"96",
"279",
"114",
"200",
"138",
"410",
"174",
"72",
"126",
"186",
"168",
"204",
"150",
"108",
"426",
"132",
"220",
"418",
"246",
"498",
"736",
"144",
"120",
"294",
"306",
"210",
"666",
"282",
"378",
"252",
"770",
"216",
"460",
"462",
"534",
"180"
] |
[
"nonn",
"new"
] | 12 | 1 | 1 |
[
"A024975",
"A025419",
"A377444",
"A385354",
"A385565",
"A385566"
] | null |
Zhining Yang, Jul 03 2025
| 2025-07-08T11:05:12 |
oeisdata/seq/A385/A385566.seq
|
1e303a7d889b4f55f3f27dca2d311044
|
A385568
|
Decimal expansion of Pi^(3/4).
|
[
"2",
"3",
"5",
"9",
"7",
"3",
"0",
"4",
"9",
"2",
"4",
"1",
"4",
"6",
"9",
"6",
"8",
"8",
"7",
"5",
"7",
"8",
"4",
"7",
"4",
"4",
"6",
"4",
"5",
"2",
"1",
"9",
"3",
"4",
"4",
"4",
"2",
"4",
"5",
"8",
"0",
"4",
"0",
"5",
"3",
"6",
"9",
"3",
"7",
"8",
"1",
"8",
"4",
"5",
"7",
"2",
"8",
"1",
"9",
"6",
"5",
"9",
"3",
"5",
"3",
"7",
"1",
"5",
"4",
"2",
"1",
"9",
"4",
"1",
"5",
"6",
"1",
"5",
"4",
"8",
"2",
"1",
"4",
"0",
"0",
"7",
"5",
"0",
"0",
"6",
"9",
"7",
"7",
"7",
"2",
"5",
"9",
"1",
"9",
"6",
"2",
"8",
"8",
"3",
"4",
"4",
"6",
"5",
"1",
"1"
] |
[
"nonn",
"cons",
"new"
] | 13 | 1 | 1 |
[
"A092040",
"A175476",
"A196535",
"A385568"
] | null |
Artur Jasinski, Jul 03 2025
| 2025-07-09T00:12:17 |
oeisdata/seq/A385/A385568.seq
|
9912d4f99345c915abff8fb59de878fd
|
A385569
|
Decimal expansion of the volume of an augmented hexagonal prism with unit edge.
|
[
"2",
"8",
"3",
"3",
"7",
"7",
"8",
"4",
"7",
"1",
"7",
"4",
"8",
"8",
"3",
"1",
"7",
"8",
"1",
"7",
"5",
"8",
"1",
"1",
"7",
"6",
"3",
"2",
"9",
"6",
"0",
"4",
"2",
"4",
"8",
"9",
"6",
"8",
"4",
"2",
"4",
"8",
"6",
"5",
"2",
"6",
"6",
"1",
"1",
"7",
"2",
"8",
"9",
"5",
"4",
"2",
"7",
"9",
"8",
"2",
"3",
"7",
"5",
"8",
"8",
"4",
"3",
"0",
"2",
"1",
"6",
"0",
"5",
"1",
"0",
"6",
"8",
"8",
"4",
"5",
"6",
"2",
"0",
"9",
"6",
"7",
"8",
"3",
"8",
"6"
] |
[
"nonn",
"cons",
"easy"
] | 8 | 1 | 1 |
[
"A002193",
"A002194",
"A354129",
"A385505",
"A385506",
"A385509",
"A385569"
] | null |
Paolo Xausa, Jul 03 2025
| 2025-07-03T09:28:57 |
oeisdata/seq/A385/A385569.seq
|
f2a789f4e182a03a2ce7674cd915ab7f
|
A385571
|
Number of subsets of the first n twin primes (A001097) whose sum is a twin prime.
|
[
"1",
"2",
"3",
"5",
"8",
"13",
"22",
"37",
"64",
"119",
"227",
"450",
"884",
"1673",
"3019",
"5113",
"8877",
"16119",
"30250",
"57282",
"109178",
"210547",
"412261",
"819165",
"1641582",
"3298602",
"6600608",
"13150469",
"26176431",
"52289653",
"104981405",
"210846036",
"420699038",
"828442946",
"1610436120",
"3102364760"
] |
[
"nonn",
"new"
] | 15 | 1 | 2 |
[
"A001097",
"A071810",
"A385571"
] | null |
Ilya Gutkovskiy, Jul 03 2025
| 2025-07-08T18:51:24 |
oeisdata/seq/A385/A385571.seq
|
d5ed2a2ae9a7cfb65794c8710dedc2da
|
A385572
|
Number of subsets of {1..n} with the same number of maximal runs (increasing by 1) as maximal anti-runs (increasing by more than 1).
|
[
"1",
"2",
"3",
"4",
"7",
"12",
"19",
"34",
"63",
"112",
"207",
"394",
"739",
"1398",
"2687",
"5152",
"9891",
"19128",
"37039",
"71754",
"139459",
"271522",
"528999",
"1032308",
"2017291",
"3945186",
"7723203",
"15134440",
"29679407",
"58245068",
"114389683",
"224796210",
"442021743",
"869658304",
"1711914351",
"3371515306"
] |
[
"nonn",
"new"
] | 16 | 0 | 2 |
[
"A000071",
"A000079",
"A001629",
"A010027",
"A034839",
"A053538",
"A069010",
"A116674",
"A210034",
"A217615",
"A268193",
"A384175",
"A384176",
"A384177",
"A384877",
"A384878",
"A384879",
"A384881",
"A384889",
"A384890",
"A384893",
"A384905",
"A385572",
"A385575"
] | null |
Gus Wiseman, Jul 04 2025
| 2025-07-07T12:04:33 |
oeisdata/seq/A385/A385572.seq
|
5bd0594c48c3fde3a44c35e3bc10e8a0
|
A385574
|
Number of integer partitions of n with the same number of adjacent equal parts as adjacent unequal parts.
|
[
"1",
"1",
"1",
"1",
"2",
"3",
"2",
"4",
"5",
"6",
"10",
"11",
"13",
"17",
"20",
"30",
"36",
"44",
"55",
"70",
"86",
"98",
"128",
"156",
"190",
"235",
"288",
"351",
"409",
"499",
"603",
"722",
"863",
"1025",
"1227",
"1461",
"1757",
"2061",
"2444",
"2892",
"3406",
"3996",
"4708",
"5497",
"6430",
"7595",
"8835",
"10294",
"12027",
"13971",
"16252",
"18887",
"21878"
] |
[
"nonn",
"new"
] | 7 | 0 | 5 |
[
"A000009",
"A000041",
"A000071",
"A003114",
"A007690",
"A008284",
"A010027",
"A034296",
"A034839",
"A046660",
"A047966",
"A047993",
"A066311",
"A073491",
"A098859",
"A106529",
"A116608",
"A116674",
"A133121",
"A183558",
"A210034",
"A212165",
"A212168",
"A217615",
"A242882",
"A268193",
"A297155",
"A325324",
"A325325",
"A336866",
"A355394",
"A356236",
"A356606",
"A361204",
"A384881",
"A384882",
"A384885",
"A384893",
"A384905",
"A385572",
"A385574",
"A385575",
"A385576"
] | null |
Gus Wiseman, Jul 04 2025
| 2025-07-05T09:59:47 |
oeisdata/seq/A385/A385574.seq
|
a4e96cb0a7c2651ae720ecc303e71d14
|
A385575
|
Numbers whose binary indices have the same number of adjacent parts differing by 1 as adjacent parts differing by more than 1.
|
[
"1",
"2",
"4",
"8",
"11",
"13",
"16",
"19",
"22",
"25",
"26",
"32",
"35",
"38",
"44",
"49",
"50",
"52",
"64",
"67",
"70",
"76",
"87",
"88",
"91",
"93",
"97",
"98",
"100",
"104",
"107",
"109",
"117",
"128",
"131",
"134",
"140",
"151",
"152",
"155",
"157",
"167",
"174",
"176",
"179",
"182",
"185",
"186",
"193",
"194",
"196",
"200",
"203",
"205",
"208",
"211",
"214",
"217"
] |
[
"nonn",
"new"
] | 10 | 1 | 2 |
[
"A000079",
"A010027",
"A034839",
"A053538",
"A069010",
"A116674",
"A210034",
"A217615",
"A268193",
"A384175",
"A384176",
"A384177",
"A384877",
"A384878",
"A384879",
"A384881",
"A384889",
"A384890",
"A384893",
"A384905",
"A385572",
"A385575"
] | null |
Gus Wiseman, Jul 04 2025
| 2025-07-18T22:02:46 |
oeisdata/seq/A385/A385575.seq
|
b501b44efaac7cef1d0a5a05d0dfa1a2
|
A385576
|
Numbers whose prime indices have the same number of distinct elements as maximal anti-runs.
|
[
"1",
"2",
"3",
"5",
"7",
"11",
"12",
"13",
"17",
"18",
"19",
"20",
"23",
"28",
"29",
"31",
"37",
"41",
"43",
"44",
"45",
"47",
"50",
"52",
"53",
"59",
"61",
"63",
"67",
"68",
"71",
"73",
"75",
"76",
"79",
"83",
"89",
"92",
"97",
"98",
"99",
"101",
"103",
"107",
"109",
"113",
"116",
"117",
"120",
"124",
"127",
"131",
"137",
"139",
"147",
"148",
"149",
"151",
"153",
"157",
"163"
] |
[
"nonn",
"new"
] | 8 | 1 | 2 |
[
"A001221",
"A034296",
"A044813",
"A046660",
"A047993",
"A066311",
"A073491",
"A106529",
"A116608",
"A133121",
"A210034",
"A268193",
"A297155",
"A356226",
"A356235",
"A356237",
"A361205",
"A375136",
"A384877",
"A384878",
"A384889",
"A384893",
"A384905",
"A385213",
"A385572",
"A385574",
"A385575",
"A385576"
] | null |
Gus Wiseman, Jul 04 2025
| 2025-07-05T09:59:39 |
oeisdata/seq/A385/A385576.seq
|
235a2ad0e98a942740ade6499548c16e
|
A385577
|
Array read by ascending antidiagonals: A(n,m) = n*Pochhammer(n+1,m+1)/(m+2).
|
[
"0",
"1",
"0",
"3",
"2",
"0",
"6",
"8",
"6",
"0",
"10",
"20",
"30",
"24",
"0",
"15",
"40",
"90",
"144",
"120",
"0",
"21",
"70",
"210",
"504",
"840",
"720",
"0",
"28",
"112",
"420",
"1344",
"3360",
"5760",
"5040",
"0",
"36",
"168",
"756",
"3024",
"10080",
"25920",
"45360",
"40320",
"0",
"45",
"240",
"1260",
"6048",
"25200",
"86400",
"226800",
"403200",
"362880",
"0"
] |
[
"nonn",
"easy",
"tabl",
"new"
] | 7 | 0 | 4 |
[
"A000004",
"A000142",
"A000217",
"A001048",
"A002740",
"A006231",
"A007290",
"A033487",
"A068424",
"A158874",
"A238474",
"A385577"
] | null |
Stefano Spezia, Jul 03 2025
| 2025-07-07T00:41:46 |
oeisdata/seq/A385/A385577.seq
|
387c4d376aa27af925a6647c7b364a03
|
A385578
|
Decimal expansion of the volume of a parabiaugmented hexagonal prism with unit edge.
|
[
"3",
"0",
"6",
"9",
"4",
"8",
"0",
"7",
"3",
"2",
"1",
"4",
"4",
"3",
"4",
"7",
"6",
"2",
"3",
"2",
"2",
"5",
"0",
"6",
"5",
"7",
"5",
"3",
"6",
"6",
"2",
"0",
"4",
"1",
"2",
"4",
"3",
"2",
"7",
"0",
"7",
"6",
"5",
"1",
"7",
"2",
"5",
"0",
"7",
"8",
"8",
"6",
"9",
"6",
"6",
"4",
"7",
"5",
"9",
"3",
"7",
"0",
"4",
"8",
"5",
"0",
"8",
"1",
"4",
"3",
"6",
"8",
"4",
"8",
"5",
"0",
"5",
"6",
"9",
"0",
"6",
"8",
"5",
"7",
"1",
"8",
"4",
"8",
"4",
"5"
] |
[
"nonn",
"cons",
"easy",
"new"
] | 6 | 1 | 1 |
[
"A002194",
"A010466",
"A104956",
"A131594",
"A385257",
"A385569",
"A385578"
] | null |
Paolo Xausa, Jul 04 2025
| 2025-07-05T11:25:17 |
oeisdata/seq/A385/A385578.seq
|
ed20619dd536672b7b8e50f5e49ddf13
|
A385579
|
Smallest prime factor that the repunit(n) = (10^n-1)/9 shares with at least one other binary vector of the same length in base 10, or 1 if they are coprime.
|
[
"1",
"1",
"1",
"1",
"11",
"1",
"3",
"1",
"11",
"3",
"11",
"1",
"3",
"53",
"11",
"3",
"11",
"1",
"3",
"1",
"11",
"3",
"11",
"1",
"3",
"41",
"11",
"3",
"11",
"3191",
"3",
"2791",
"11",
"3",
"11",
"41",
"3",
"2028119",
"11",
"3",
"11",
"83",
"3",
"173",
"11",
"3",
"11",
"35121409",
"3",
"239",
"11",
"3",
"11",
"107",
"3",
"41",
"11",
"3",
"11"
] |
[
"nonn",
"base",
"more",
"new"
] | 13 | 0 | 5 |
[
"A003020",
"A067063",
"A378761",
"A385537",
"A385539",
"A385579"
] | null |
Dmytro Inosov, Jul 03 2025
| 2025-07-07T19:34:22 |
oeisdata/seq/A385/A385579.seq
|
e5ebdbc932742a442dc509a3c47155e8
|
A385581
|
Square array read by antidiagonals: T(n,d) is the number of fixed d-dimensional polysticks of size n.
|
[
"1",
"2",
"1",
"3",
"6",
"1",
"4",
"15",
"22",
"1",
"5",
"28",
"95",
"88",
"1",
"6",
"45",
"252",
"681",
"372",
"1",
"7",
"66",
"525",
"2600",
"5277",
"1628",
"1",
"8",
"91",
"946",
"7065",
"29248",
"43086",
"7312",
"1",
"9",
"120",
"1547",
"15696",
"104097",
"349132",
"365313",
"33466",
"1",
"10",
"153",
"2360",
"30513",
"285828",
"1632915",
"4351944",
"3186444",
"155446",
"1"
] |
[
"nonn",
"tabl",
"new"
] | 8 | 1 | 2 |
[
"A000384",
"A096267",
"A365560",
"A365562",
"A365564",
"A385291",
"A385581",
"A385582",
"A385583"
] | null |
Pontus von Brömssen, Jul 04 2025
| 2025-07-06T11:33:41 |
oeisdata/seq/A385/A385581.seq
|
f65c1f63efbe3bd8e0723b9b21fbb664
|
A385582
|
Triangle read by rows: T(n,d) is the number of fixed, properly d-dimensional polysticks of size n.
|
[
"1",
"1",
"4",
"1",
"20",
"32",
"1",
"86",
"420",
"400",
"1",
"370",
"4164",
"10368",
"6912",
"1",
"1626",
"38205",
"186552",
"301840",
"153664",
"1",
"7310",
"343380",
"2934560",
"8637760",
"10223616",
"4194304",
"1",
"33464",
"3086049",
"43517697",
"207353960",
"427708848",
"396809280",
"136048896"
] |
[
"nonn",
"tabl",
"new"
] | 13 | 1 | 3 |
[
"A127670",
"A195739",
"A365566",
"A385581",
"A385582"
] | null |
Pontus von Brömssen, Jul 04 2025
| 2025-07-17T23:20:26 |
oeisdata/seq/A385/A385582.seq
|
48e18f8a5e05511d57140d6e5bd478f9
|
A385583
|
Triangle read by rows: T(n,d) is the number of free d-dimensional polysticks of size n.
|
[
"1",
"1",
"2",
"1",
"5",
"7",
"1",
"16",
"28",
"31",
"1",
"55",
"160",
"199",
"205",
"1",
"222",
"1085",
"1651",
"1768",
"1779"
] |
[
"nonn",
"tabl",
"more",
"new"
] | 6 | 1 | 3 |
[
"A019988",
"A330891",
"A365559",
"A365561",
"A365563",
"A365565",
"A365566",
"A385581",
"A385583"
] | null |
Pontus von Brömssen, Jul 04 2025
| 2025-07-06T11:33:35 |
oeisdata/seq/A385/A385583.seq
|
04dc79768152bd8ec7bf5e77752bdfb9
|
A385584
|
a(n) is the number of pairs (p, t) such that p is a pyramidal number, t is a triangular number, p + t <= n and t <= p.
|
[
"1",
"2",
"3",
"3",
"4",
"5",
"5",
"6",
"6",
"6",
"7",
"8",
"8",
"9",
"9",
"9",
"10",
"10",
"10",
"10",
"12",
"13",
"13",
"14",
"14",
"14",
"15",
"15",
"15",
"15",
"16",
"16",
"16",
"16",
"16",
"18",
"19",
"19",
"20",
"20",
"20",
"21",
"21",
"21",
"21",
"22",
"22",
"22",
"22",
"22",
"23",
"23",
"23",
"23",
"23",
"23",
"25",
"26",
"26",
"27",
"27",
"27",
"28",
"29",
"29",
"29",
"30",
"30",
"30",
"30",
"30",
"31",
"31",
"31"
] |
[
"nonn",
"new"
] | 30 | 0 | 2 |
[
"A000217",
"A000292",
"A001399",
"A001477",
"A027568",
"A385584"
] | null |
Robert G. Wilson v, Jul 03 2025
| 2025-07-10T14:30:54 |
oeisdata/seq/A385/A385584.seq
|
1002eec96f43b4d00f2703c7c46eb331
|
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