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
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|
A379504
|
a(n) is the number of ways of partitioning the divisors of n into two disjoint sets with equal sum, when an extra 1-divisor is added to the divisor set, and the two 1-divisors are considered distinct from each other.
|
[
"1",
"1",
"0",
"1",
"0",
"0",
"0",
"1",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"1",
"0",
"2",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"1",
"0",
"0",
"0",
"8",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"1",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"26",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"2",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"1"
] |
[
"nonn"
] | 34 | 1 | 18 |
[
"A000079",
"A083206",
"A103977",
"A156942",
"A379502",
"A379503",
"A379504",
"A379505"
] | null |
Antti Karttunen, Jan 06 2025
| 2025-01-07T15:56:05 |
oeisdata/seq/A379/A379504.seq
|
a7e93248420503f2609ee7feb06b8502
|
A379505
|
a(n) is the number of ways of partitioning the divisors of n into two disjoint sets with equal sum, when an extra 1-divisor is added to the divisor set, and the two 1-divisors are considered indistinguishable.
|
[
"1",
"1",
"0",
"1",
"0",
"0",
"0",
"1",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"1",
"0",
"2",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"1",
"0",
"0",
"0",
"5",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"1",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"21",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"2",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"1"
] |
[
"nonn"
] | 21 | 1 | 18 |
[
"A000079",
"A083206",
"A103977",
"A156942",
"A336700",
"A379502",
"A379503",
"A379504",
"A379505"
] | null |
Antti Karttunen, Jan 07 2025
| 2025-06-02T12:12:29 |
oeisdata/seq/A379/A379505.seq
|
bc9db4786c8d39cea2cba2ee096b86fa
|
A379506
|
Sequence of primitive Pythagorean triples beginning with the triple (3,4,5), with each subsequent triple having as its inradius the semiperimeter of the previous triple, and with the long leg and the hypotenuse of each triple being consecutive natural numbers.
|
[
"3",
"4",
"5",
"13",
"84",
"85",
"183",
"16744",
"16745",
"33673",
"566935464",
"566935465",
"1133904603",
"642869824352293804",
"642869824352293805",
"1285739649838492213",
"826563223583404284483387832630818684",
"826563223583404284483387832630818685"
] |
[
"nonn",
"tabf",
"changed"
] | 13 | 1 | 1 |
[
"A002065",
"A365577",
"A378395",
"A378963",
"A379506"
] | null |
Miguel-Ángel Pérez García-Ortega, Dec 23 2024
| 2025-07-13T19:35:28 |
oeisdata/seq/A379/A379506.seq
|
9ae6ffb28adaf5aee2a65f56a5b2bded
|
A379507
|
For n >= 1, a(n) = GCD((2*n)! / (n!)^2, 105).
|
[
"1",
"3",
"5",
"35",
"21",
"21",
"3",
"15",
"5",
"1",
"21",
"7",
"35",
"15",
"15",
"15",
"15",
"105",
"105",
"105",
"15",
"15",
"15",
"15",
"21",
"21",
"7",
"35",
"105",
"7",
"7",
"21",
"105",
"105",
"21",
"7",
"7",
"105",
"35",
"35",
"105",
"105",
"105",
"105",
"105",
"105",
"105",
"105",
"15",
"3",
"3",
"3",
"105",
"105",
"21",
"3",
"3",
"15",
"15",
"21",
"21",
"21",
"15",
"15",
"15",
"15"
] |
[
"nonn"
] | 11 | 1 | 2 |
[
"A000142",
"A000984",
"A379507"
] | null |
Ctibor O. Zizka, Dec 23 2024
| 2024-12-23T22:05:18 |
oeisdata/seq/A379/A379507.seq
|
c3ef60d84528dbd4ed4aba8059a1855f
|
A379508
|
Sum of the legs of the unique primitive Pythagorean triple (a,b,c) such that (a-b+c)/2 is A002315(n) and such that its long leg and its hypotenuse are consecutive natural numbers.
|
[
"1",
"97",
"3361",
"114241",
"3880897",
"131836321",
"4478554081",
"152139002497",
"5168247530881",
"175568277047521",
"5964153172084897",
"202605639573839041",
"6882627592338442561",
"233806732499933208097",
"7942546277405390632801",
"269812766699283348307201",
"9165691521498228451812097",
"311363698964240484013304161"
] |
[
"nonn",
"easy",
"changed"
] | 15 | 0 | 2 |
[
"A002315",
"A377016",
"A377017",
"A377726",
"A378965",
"A379508"
] | null |
Miguel-Ángel Pérez García-Ortega, Dec 23 2024
| 2025-07-13T17:36:49 |
oeisdata/seq/A379/A379508.seq
|
8b8277469aef0d7429a6ab5fa555aa79
|
A379509
|
Sum of the legs of the unique primitive Pythagorean triple whose inradius is A002315(n) and such that its long leg and its hypotenuse are consecutive natural numbers.
|
[
"7",
"127",
"3527",
"115199",
"3886471",
"131868799",
"4478743367",
"152140105727",
"5168253960967",
"175568314524799",
"5964153390518471",
"202605640846963199",
"6882627599758753927",
"233806732543181952127",
"7942546277657462785607",
"269812766700752532479999",
"9165691521506791484696071",
"311363698964290393026435199"
] |
[
"nonn",
"easy"
] | 8 | 0 | 1 |
[
"A002315",
"A377025",
"A378380",
"A378386",
"A379509"
] | null |
Miguel-Ángel Pérez García-Ortega, Dec 23 2024
| 2025-01-17T17:05:58 |
oeisdata/seq/A379/A379509.seq
|
81e27e276a31d3e0d5362cb1ff738634
|
A379510
|
a(n) = n + floor(n*r/t) + floor(n*s/t), where r=2^(1/4), s=2^(1/2), t=2^(3/4).
|
[
"1",
"4",
"7",
"9",
"12",
"15",
"16",
"19",
"22",
"25",
"27",
"30",
"32",
"34",
"37",
"40",
"43",
"45",
"47",
"50",
"52",
"55",
"58",
"60",
"63",
"65",
"68",
"70",
"73",
"76",
"78",
"80",
"83",
"86",
"88",
"91",
"94",
"95",
"98",
"101",
"103",
"106",
"109",
"111",
"113",
"116",
"119",
"121",
"124",
"127",
"129",
"131",
"134",
"137",
"139",
"142",
"144",
"147",
"149",
"152"
] |
[
"nonn"
] | 11 | 1 | 2 |
[
"A000027",
"A184812",
"A378142",
"A378185",
"A379510"
] | null |
Clark Kimberling, Jan 13 2025
| 2025-01-13T20:30:13 |
oeisdata/seq/A379/A379510.seq
|
1ffa82cb9c5401f5b4d9777288559254
|
A379511
|
a(n) = floor(n*(2^(1/4) + 2^(-1/4))); Beatty sequence for 2^(1/4) + 2^(-1/4).
|
[
"2",
"4",
"6",
"8",
"10",
"12",
"14",
"16",
"18",
"20",
"22",
"24",
"26",
"28",
"30",
"32",
"34",
"36",
"38",
"40",
"42",
"44",
"46",
"48",
"50",
"52",
"54",
"56",
"58",
"60",
"62",
"64",
"66",
"69",
"71",
"73",
"75",
"77",
"79",
"81",
"83",
"85",
"87",
"89",
"91",
"93",
"95",
"97",
"99",
"101",
"103",
"105",
"107",
"109",
"111",
"113",
"115",
"117",
"119",
"121",
"123",
"125"
] |
[
"nonn"
] | 15 | 1 | 1 |
[
"A378142",
"A379511"
] | null |
Clark Kimberling, Jan 11 2025
| 2025-01-23T00:02:58 |
oeisdata/seq/A379/A379511.seq
|
72e3dd44605ef2b57b96334706988645
|
A379512
|
Erase digits 0 and 1 from decimal expansion of n. Then keep just the coprime digits; write 0 if all digits disappear.
|
[
"0",
"0",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9",
"0",
"0",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9",
"2",
"2",
"0",
"23",
"0",
"25",
"0",
"27",
"0",
"29",
"3",
"3",
"32",
"0",
"34",
"35",
"0",
"37",
"38",
"0",
"4",
"4",
"0",
"43",
"0",
"45",
"0",
"47",
"0",
"49",
"5",
"5",
"52",
"53",
"54",
"0",
"56",
"57",
"58",
"59",
"6",
"6",
"0",
"0",
"0",
"65",
"0",
"67",
"0",
"0",
"7",
"7",
"72",
"73",
"74",
"75",
"76",
"0",
"78",
"79",
"8",
"8",
"0",
"83",
"0",
"85",
"0",
"87"
] |
[
"nonn",
"base",
"easy"
] | 49 | 0 | 3 |
[
"A004151",
"A004719",
"A059717",
"A379512"
] | null |
Ctibor O. Zizka, Jan 21 2025
| 2025-01-21T10:54:50 |
oeisdata/seq/A379/A379512.seq
|
1819e4446945054d0a80a636b92338af
|
A379513
|
Numerators of the partial sums of the reciprocals of the sum of unitary divisors function (A034448).
|
[
"1",
"4",
"19",
"107",
"39",
"61",
"259",
"817",
"853",
"97",
"301",
"307",
"2209",
"187",
"2279",
"39583",
"121129",
"122557",
"124699",
"126127",
"509863",
"171541",
"173921",
"526523",
"6930479",
"6983519",
"7063079",
"7118771",
"7193027",
"802663",
"405199",
"13495327",
"1131701",
"30726097",
"123670153",
"622026437",
"11910394103"
] |
[
"nonn",
"easy",
"frac"
] | 9 | 1 | 2 |
[
"A001620",
"A034448",
"A064609",
"A308041",
"A370898",
"A379513",
"A379514",
"A379515"
] | null |
Amiram Eldar, Dec 23 2024
| 2024-12-24T07:29:28 |
oeisdata/seq/A379/A379513.seq
|
730dbfef6a076150f5fb5e9e5f8cde50
|
A379514
|
Denominators of the partial sums of the reciprocals of the sum of unitary divisors function (A034448).
|
[
"1",
"3",
"12",
"60",
"20",
"30",
"120",
"360",
"360",
"40",
"120",
"120",
"840",
"70",
"840",
"14280",
"42840",
"42840",
"42840",
"42840",
"171360",
"57120",
"57120",
"171360",
"2227680",
"2227680",
"2227680",
"2227680",
"2227680",
"247520",
"123760",
"4084080",
"340340",
"9189180",
"36756720",
"183783600",
"3491888400",
"3491888400"
] |
[
"nonn",
"easy",
"frac"
] | 7 | 1 | 2 |
[
"A034448",
"A064609",
"A370898",
"A379513",
"A379514",
"A379516"
] | null |
Amiram Eldar, Dec 23 2024
| 2024-12-24T07:28:42 |
oeisdata/seq/A379/A379514.seq
|
afdc2111b96b94c122618a4e5d37e493
|
A379515
|
Numerators of the partial alternating sums of the reciprocals of the sum of unitary divisors function (A034448).
|
[
"1",
"2",
"11",
"43",
"53",
"4",
"37",
"293",
"329",
"103",
"113",
"107",
"809",
"129",
"809",
"12913",
"41119",
"39691",
"41833",
"8081",
"33395",
"32443",
"33871",
"10973",
"148361",
"48275",
"7149",
"34861",
"108119",
"319937",
"164941",
"1761311",
"112361",
"662011",
"5405483",
"26502319",
"516671461",
"508357441",
"3620857237",
"3556192637"
] |
[
"nonn",
"easy",
"frac"
] | 8 | 1 | 2 |
[
"A034448",
"A064609",
"A308041",
"A323482",
"A370898",
"A379513",
"A379515",
"A379516"
] | null |
Amiram Eldar, Dec 23 2024
| 2024-12-24T07:28:24 |
oeisdata/seq/A379/A379515.seq
|
1316e84df03160eb64460d547cb21a82
|
A379516
|
Denominators of the partial alternating sums of the reciprocals of the sum of unitary divisors function (A034448).
|
[
"1",
"3",
"12",
"60",
"60",
"5",
"40",
"360",
"360",
"120",
"120",
"120",
"840",
"140",
"840",
"14280",
"42840",
"42840",
"42840",
"8568",
"34272",
"34272",
"34272",
"11424",
"148512",
"49504",
"7072",
"35360",
"106080",
"318240",
"159120",
"1750320",
"109395",
"656370",
"5250960",
"26254800",
"498841200",
"498841200",
"3491888400",
"3491888400"
] |
[
"nonn",
"easy",
"frac"
] | 7 | 1 | 2 |
[
"A034448",
"A064609",
"A370898",
"A379514",
"A379515",
"A379516"
] | null |
Amiram Eldar, Dec 23 2024
| 2024-12-24T07:27:44 |
oeisdata/seq/A379/A379516.seq
|
7bcc6a36ede2520ce24b5523f8676543
|
A379517
|
Numerators of the partial sums of the reciprocals of the unitary totient function (A047994).
|
[
"1",
"2",
"5",
"17",
"37",
"43",
"15",
"109",
"225",
"239",
"1223",
"3809",
"1293",
"4019",
"1031",
"209",
"1693",
"1735",
"5261",
"5345",
"5429",
"27649",
"306659",
"310619",
"312929",
"317549",
"4155857",
"4195897",
"603091",
"615961",
"619393",
"19304143",
"19463731",
"1228951",
"9898103",
"4982299",
"1251116",
"2524397",
"10164083"
] |
[
"nonn",
"easy",
"frac"
] | 7 | 1 | 2 |
[
"A001620",
"A047994",
"A177754",
"A327837",
"A370899",
"A379517",
"A379518",
"A379519"
] | null |
Amiram Eldar, Dec 24 2024
| 2024-12-24T07:27:22 |
oeisdata/seq/A379/A379517.seq
|
f9eb581838c009a9bb4a0e8f773063e8
|
A379518
|
Denominators of the partial sums of the reciprocals of the unitary totient function (A047994).
|
[
"1",
"1",
"2",
"6",
"12",
"12",
"4",
"28",
"56",
"56",
"280",
"840",
"280",
"840",
"210",
"42",
"336",
"336",
"1008",
"1008",
"1008",
"5040",
"55440",
"55440",
"55440",
"55440",
"720720",
"720720",
"102960",
"102960",
"102960",
"3191760",
"3191760",
"199485",
"1595880",
"797940",
"199485",
"398970",
"1595880",
"11171160",
"1117116",
"279279"
] |
[
"nonn",
"easy",
"frac"
] | 7 | 1 | 3 |
[
"A047994",
"A177754",
"A370899",
"A379517",
"A379518",
"A379520"
] | null |
Amiram Eldar, Dec 24 2024
| 2024-12-24T07:26:46 |
oeisdata/seq/A379/A379518.seq
|
ff49c53f4053ce132ce2ed5b7092a1fb
|
A379519
|
Numerators of the partial alternating sums of the reciprocals of the unitary totient function (A047994).
|
[
"1",
"0",
"1",
"1",
"5",
"-1",
"1",
"-5",
"11",
"-31",
"-71",
"-211",
"-47",
"-281",
"-22",
"-29",
"-359",
"-569",
"-1427",
"-1847",
"-1427",
"-1931",
"-18721",
"-22681",
"-20371",
"-24991",
"-297163",
"-37467",
"-34607",
"-44617",
"-125843",
"-4141373",
"-3769001",
"-2117233",
"-327013",
"-2117233",
"-6041389",
"-6662009",
"-774568",
"-3297757"
] |
[
"sign",
"easy",
"frac"
] | 7 | 1 | 5 |
[
"A047994",
"A065442",
"A177754",
"A327837",
"A370899",
"A379517",
"A379519",
"A379520"
] | null |
Amiram Eldar, Dec 24 2024
| 2024-12-24T07:26:25 |
oeisdata/seq/A379/A379519.seq
|
1f7573fab343cee66b8bcb2b4b2ec76b
|
A379520
|
Denominators of the partial alternating sums of the reciprocals of the unitary totient function (A047994).
|
[
"1",
"1",
"2",
"6",
"12",
"12",
"12",
"84",
"168",
"168",
"840",
"840",
"280",
"840",
"105",
"105",
"1680",
"1680",
"5040",
"5040",
"5040",
"5040",
"55440",
"55440",
"55440",
"55440",
"720720",
"80080",
"80080",
"80080",
"240240",
"7447440",
"7447440",
"3723720",
"620620",
"3723720",
"11171160",
"11171160",
"1396395",
"5585580",
"2234232",
"2234232"
] |
[
"nonn",
"easy",
"frac"
] | 7 | 1 | 3 |
[
"A047994",
"A177754",
"A370899",
"A379518",
"A379519",
"A379520"
] | null |
Amiram Eldar, Dec 24 2024
| 2024-12-24T07:29:03 |
oeisdata/seq/A379/A379520.seq
|
00c1198fcd8002e01e5745182dea97d3
|
A379521
|
Expansion of (1/x) * Series_Reversion( x / ( (1+x)^3 * (1+2*x)^2 ) ).
|
[
"1",
"7",
"68",
"767",
"9425",
"122436",
"1653776",
"22992655",
"326863667",
"4729547023",
"69424933968",
"1031309398852",
"15474833826028",
"234201961398776",
"3570887895432504",
"54799089019823407",
"845757173849239415",
"13119400228929684885",
"204429551432900950068",
"3198423097762769254279",
"50225078058311068601425"
] |
[
"nonn"
] | 17 | 0 | 2 |
[
"A243659",
"A379521",
"A379522"
] | null |
Seiichi Manyama, Dec 24 2024
| 2024-12-25T09:17:08 |
oeisdata/seq/A379/A379521.seq
|
dcc2dedc6bbef10644ef4503a30d1584
|
A379522
|
Expansion of (1/x) * Series_Reversion( x / ( (1+x)^3 * (1+2*x)^3 ) ).
|
[
"1",
"9",
"114",
"1683",
"27111",
"462060",
"8192078",
"149541975",
"2791795695",
"53056724409",
"1023021616920",
"19963667407572",
"393536736830724",
"7824888965728584",
"156750391932619254",
"3160558799674447167",
"64092227061832430895",
"1306327265854324847595",
"26746550927141536784370"
] |
[
"nonn"
] | 14 | 0 | 2 |
[
"A243659",
"A379521",
"A379522"
] | null |
Seiichi Manyama, Dec 24 2024
| 2024-12-25T09:17:16 |
oeisdata/seq/A379/A379522.seq
|
5708ca4667c9be3d90f252fb4eec5d79
|
A379523
|
Sum of coreful divisors d | k such that gcd(d, k/d) > 1 and rad(d) = rad(k/d), with d | k/d and d < d/k, where k is in A320966 and rad = A007947.
|
[
"6",
"10",
"12",
"30",
"54",
"18",
"30",
"24",
"30",
"126",
"30",
"30",
"42",
"120",
"238",
"90",
"60",
"56",
"42",
"50",
"126",
"60",
"510",
"162",
"130",
"168",
"60",
"336",
"70",
"150",
"234",
"66",
"240",
"110",
"990",
"90",
"378",
"432",
"84",
"132",
"78",
"112",
"210",
"270",
"546",
"90",
"110",
"456",
"330",
"150",
"2046",
"1092",
"182",
"714",
"102",
"350",
"260"
] |
[
"nonn"
] | 31 | 1 | 1 |
[
"A000079",
"A001221",
"A007947",
"A246549",
"A320966",
"A364988",
"A379523"
] | null |
Michael De Vlieger, Jan 15 2025
| 2025-01-19T09:29:50 |
oeisdata/seq/A379/A379523.seq
|
3e9be54be67810d5652b67b496712344
|
A379524
|
Minimal discriminants d of real quadratic number fields K = Q(sqrt(d)), d > 0, with elementary bicyclic 3-class group Cl_3(K)=(3,3) and second 3-class group M=Gal(F_3^2(K)/K) of assigned coclass cc(M)=1,2,3,4,...
|
[
"32009",
"214712",
"710652",
"8127208",
"180527768"
] |
[
"nonn",
"hard",
"more"
] | 34 | 1 | 1 |
[
"A269318",
"A269319",
"A379524"
] | null |
Daniel Constantin Mayer, Dec 24 2024
| 2025-02-07T17:21:06 |
oeisdata/seq/A379/A379524.seq
|
be5ae8e6b5f5d1b724c26ff2269c3ae7
|
A379525
|
a(1) = 1. For n > 1, if a(n-1) is a novel term, a(n) = A003132(a(n-1)). If a(n-1) has been seen k (>1) times already, a(n) = k*a(n-1).
|
[
"1",
"1",
"2",
"4",
"16",
"37",
"58",
"89",
"145",
"42",
"20",
"4",
"8",
"64",
"52",
"29",
"85",
"89",
"178",
"114",
"18",
"65",
"61",
"37",
"74",
"65",
"130",
"10",
"1",
"3",
"9",
"81",
"65",
"195",
"107",
"50",
"25",
"29",
"58",
"116",
"38",
"73",
"58",
"174",
"66",
"72",
"53",
"34",
"25",
"50",
"100",
"1",
"4",
"12",
"5",
"25",
"75",
"74",
"148",
"81",
"162",
"41",
"17",
"50",
"150"
] |
[
"nonn",
"base"
] | 15 | 1 | 3 |
[
"A003132",
"A379525",
"A379551"
] | null |
David James Sycamore, Dec 24 2024
| 2024-12-26T20:08:09 |
oeisdata/seq/A379/A379525.seq
|
d3b8ba6447c05d35ffe7b016bc771a85
|
A379526
|
Number of ordered ways of writing 1 as Sum_{k=-n..n, k<>0} e(k)/k, where e(k) is 0 or 1.
|
[
"1",
"7",
"133",
"5419",
"383785",
"42244765",
"6520970371",
"1359532454017"
] |
[
"nonn",
"more"
] | 5 | 1 | 2 |
[
"A002967",
"A038034",
"A379335",
"A379451",
"A379526"
] | null |
Ilya Gutkovskiy, Dec 24 2024
| 2024-12-26T04:43:35 |
oeisdata/seq/A379/A379526.seq
|
29bab1af60a47c87136e902fdef945af
|
A379527
|
Number of compositions (ordered partitions) of 1 into {1/1, 1/3, 1/5, ..., 1/(2*n-1)}.
|
[
"1",
"2",
"3",
"4",
"22",
"23",
"24",
"5115",
"5116",
"5117",
"1689273",
"1689274",
"441985160",
"191869129330",
"191869129331",
"191869129332"
] |
[
"nonn",
"more"
] | 22 | 1 | 2 |
[
"A005408",
"A020473",
"A038034",
"A378269",
"A379527"
] | null |
Ilya Gutkovskiy, Dec 24 2024
| 2024-12-28T00:06:52 |
oeisdata/seq/A379/A379527.seq
|
d8d60fa3a1fd95852246eed24c56d95a
|
A379528
|
Number of compositions (ordered partitions) of 1 into {1/1^2, 1/2^2, 1/3^2, ..., 1/n^2}.
|
[
"1",
"2",
"3",
"97",
"98",
"40917543",
"40917544",
"2901109178066823",
"81221415992592163051371926",
"373220766236315864054296758124337507430",
"373220766236315864054296758124337507431"
] |
[
"nonn",
"more"
] | 17 | 1 | 2 |
[
"A000290",
"A020473",
"A038034",
"A348625",
"A378270",
"A378842",
"A379528"
] | null |
Ilya Gutkovskiy, Dec 24 2024
| 2024-12-28T03:06:28 |
oeisdata/seq/A379/A379528.seq
|
bfb794a44268e4cff51bd4ff48474363
|
A379529
|
a(0) = 0; for n>0, let MSD = Most Significant Digit and LSD = Least Significant Digit, set MSD(a(n)) = [10 - LSD(a(n-1))] mod 10 and let remaining digits of a(n) be such that a(n) is the least integer not yet present in the sequence. If LSD(a(n-1)) = 0 then the least integer not yet present in the sequence is chosen, whatever its MSD is.
|
[
"0",
"1",
"9",
"10",
"2",
"8",
"20",
"3",
"7",
"30",
"4",
"6",
"40",
"5",
"50",
"11",
"90",
"12",
"80",
"13",
"70",
"14",
"60",
"15",
"51",
"91",
"92",
"81",
"93",
"71",
"94",
"61",
"95",
"52",
"82",
"83",
"72",
"84",
"62",
"85",
"53",
"73",
"74",
"63",
"75",
"54",
"64",
"65",
"55",
"56",
"41",
"96",
"42",
"86",
"43",
"76",
"44",
"66",
"45",
"57",
"31",
"97",
"32",
"87",
"33",
"77",
"34",
"67",
"35"
] |
[
"nonn",
"easy",
"base"
] | 18 | 0 | 3 |
[
"A010879",
"A379529"
] | null |
Paolo P. Lava, Dec 24 2024
| 2025-01-07T10:09:25 |
oeisdata/seq/A379/A379529.seq
|
20169fb37950e7f634d2d1476699b710
|
A379530
|
a(n) = (A135318(3*n) + A135318(3*n+1) + A135318(3*n+2))/3.
|
[
"1",
"3",
"8",
"23",
"64",
"185",
"512",
"1479",
"4096",
"11833",
"32768",
"94663",
"262144",
"757305",
"2097152",
"6058439",
"16777216",
"48467513",
"134217728",
"387740103",
"1073741824",
"3101920825",
"8589934592",
"24815366599",
"68719476736",
"198522932793",
"549755813888",
"1588183462343",
"4398046511104",
"12705467698745"
] |
[
"nonn",
"easy"
] | 18 | 0 | 2 |
[
"A001018",
"A013730",
"A015565",
"A135318",
"A379530"
] | null |
Paul Curtz, Dec 24 2024
| 2024-12-31T06:35:37 |
oeisdata/seq/A379/A379530.seq
|
329e2ef9ea87ea361bf08f8ac5718caa
|
A379531
|
Decimal expansion of (3*sqrt(6) - 7)*Pi/3.
|
[
"3",
"6",
"4",
"9",
"1",
"6",
"1",
"2",
"2",
"5",
"9",
"5",
"0",
"0",
"0",
"3",
"5",
"0",
"1",
"8",
"4",
"7",
"1",
"6",
"9",
"3",
"0",
"3",
"7",
"3",
"8",
"6",
"5",
"0",
"7",
"2",
"3",
"4",
"3",
"5",
"0",
"2",
"0",
"7",
"3",
"5",
"0",
"9",
"3",
"0",
"7",
"0",
"2",
"3",
"0",
"0",
"0",
"1",
"3",
"3",
"5",
"9",
"1",
"8",
"2",
"0",
"1",
"5",
"4",
"6",
"5",
"9",
"7",
"4",
"3",
"6",
"4",
"4",
"9",
"4",
"2",
"7",
"3",
"4",
"3",
"0",
"6",
"9",
"2",
"1",
"8",
"4",
"9",
"4",
"2",
"6",
"8",
"1",
"9",
"1"
] |
[
"nonn",
"cons"
] | 5 | 0 | 1 |
[
"A000796",
"A010464",
"A010507",
"A019670",
"A379531"
] | null |
Stefano Spezia, Dec 24 2024
| 2024-12-24T12:59:21 |
oeisdata/seq/A379/A379531.seq
|
c81ef8f0697d1a48b09114f3cc1bb8b3
|
A379532
|
Ulam numbers that are products of exactly four distinct primes (or tetraprimes).
|
[
"390",
"546",
"690",
"798",
"1155",
"1230",
"1770",
"2010",
"2090",
"2418",
"2618",
"2814",
"3090",
"3290",
"3390",
"3930",
"4326",
"4370",
"4470",
"4578",
"4602",
"4641",
"6110",
"6870",
"7170",
"7490",
"7735",
"7930",
"8294",
"9834",
"10110",
"10545",
"10738",
"11102",
"11346",
"11390",
"11454",
"11622",
"11715",
"11886",
"12270",
"12441",
"12470",
"12570"
] |
[
"nonn"
] | 13 | 1 | 1 |
[
"A002858",
"A046386",
"A068820",
"A378795",
"A379162",
"A379532"
] | null |
Massimo Kofler, Dec 24 2024
| 2025-01-03T14:55:08 |
oeisdata/seq/A379/A379532.seq
|
546654833093b82b545d09a1eda8a790
|
A379533
|
Decimal expansion of (sqrt(13) - 1)/36.
|
[
"0",
"7",
"2",
"3",
"7",
"6",
"4",
"2",
"4",
"3",
"1",
"8",
"4",
"4",
"4",
"1",
"4",
"7",
"0",
"3",
"1",
"0",
"8",
"9",
"4",
"7",
"9",
"6",
"5",
"1",
"9",
"5",
"8",
"2",
"2",
"0",
"7",
"2",
"9",
"2",
"0",
"2",
"6",
"8",
"2",
"6",
"0",
"6",
"8",
"1",
"2",
"3",
"9",
"4",
"7",
"9",
"7",
"5",
"1",
"2",
"5",
"8",
"4",
"8",
"9",
"5",
"1",
"9",
"9",
"0",
"8",
"1",
"8",
"9",
"7",
"0",
"2",
"8",
"0",
"6",
"7",
"9",
"2",
"2",
"3",
"5",
"0",
"5",
"3",
"0",
"0",
"5",
"6",
"0",
"6",
"9",
"1",
"8",
"6",
"6",
"0"
] |
[
"nonn",
"cons",
"easy"
] | 14 | 0 | 2 |
[
"A010470",
"A248866",
"A343851",
"A379533",
"A379534"
] | null |
Stefano Spezia, Dec 24 2024
| 2025-04-03T04:08:32 |
oeisdata/seq/A379/A379533.seq
|
016242187b10f1035a9f6d2ecfc92430
|
A379534
|
Decimal expansion of (9*sqrt(65) - 55)/320.
|
[
"0",
"5",
"4",
"8",
"7",
"5",
"9",
"9",
"9",
"1",
"7",
"0",
"8",
"9",
"6",
"7",
"0",
"8",
"9",
"7",
"2",
"8",
"1",
"0",
"9",
"9",
"7",
"1",
"0",
"2",
"2",
"9",
"3",
"5",
"6",
"3",
"0",
"6",
"3",
"1",
"5",
"4",
"8",
"9",
"6",
"0",
"9",
"5",
"2",
"4",
"1",
"1",
"2",
"6",
"5",
"3",
"5",
"7",
"1",
"6",
"6",
"6",
"0",
"9",
"4",
"8",
"0",
"4",
"6",
"4",
"8",
"2",
"9",
"9",
"7",
"5",
"9",
"7",
"4",
"8",
"0",
"7",
"0",
"8",
"2",
"5",
"4",
"3",
"3",
"8",
"7",
"5",
"1",
"4",
"2",
"2",
"1",
"1",
"1",
"8",
"5"
] |
[
"nonn",
"cons",
"easy"
] | 14 | 0 | 2 |
[
"A010517",
"A248866",
"A343851",
"A379533",
"A379534"
] | null |
Stefano Spezia, Dec 24 2024
| 2025-04-03T04:09:04 |
oeisdata/seq/A379/A379534.seq
|
c2ae7bc4627db060b1fc1ea132f8826f
|
A379535
|
a(n) is the least number that has n prime factors, counted by multiplicity, and n runs in its decimal representation.
|
[
"2",
"10",
"102",
"1012",
"10104",
"101010",
"1010124",
"10101216",
"101010176",
"1010101504",
"10101010304",
"101010101248",
"1010101013280",
"10101010101248",
"101010101013504",
"1010101010137856",
"10101010101010432",
"101010101010145280",
"1010101010101010432",
"10101010101010497536",
"101010101010101084160",
"1010101010101010620416",
"10101010101010105368576"
] |
[
"nonn",
"base"
] | 22 | 1 | 1 |
[
"A001222",
"A043096",
"A043562",
"A379229",
"A379535"
] | null |
Robert Israel, Jan 07 2025
| 2025-01-07T10:05:04 |
oeisdata/seq/A379/A379535.seq
|
a456ae1eb7170ab546299ef23add3332
|
A379536
|
Rectangular array, read by descending antidiagonals: the Type 1 runlength index array of A378142; see Comments.
|
[
"1",
"6",
"2",
"7",
"12",
"3",
"11",
"14",
"18",
"4",
"13",
"17",
"21",
"25",
"5",
"16",
"20",
"24",
"39",
"28",
"8",
"19",
"23",
"36",
"55",
"40",
"29",
"9",
"22",
"35",
"50",
"72",
"56",
"41",
"30",
"10",
"26",
"49",
"71",
"92",
"73",
"61",
"42",
"31",
"15",
"27",
"52",
"87",
"103",
"93",
"78",
"62",
"45",
"32",
"33",
"34",
"54",
"102",
"124",
"104",
"94",
"79",
"65",
"46",
"47",
"166",
"37",
"58",
"113",
"135",
"125",
"105",
"97",
"84",
"66",
"99",
"179",
"618"
] |
[
"nonn",
"tabl"
] | 19 | 1 | 2 |
[
"A000002",
"A378142",
"A379046",
"A379536"
] | null |
Clark Kimberling, Jan 11 2025
| 2025-06-21T19:58:42 |
oeisdata/seq/A379/A379536.seq
|
60371eb5a65e7459f80253c95321588b
|
A379537
|
Frugal numbers in base 2: numbers k such that A377369(k) < A070939(k).
|
[
"1",
"27",
"32",
"49",
"64",
"81",
"121",
"125",
"128",
"135",
"147",
"162",
"169",
"189",
"192",
"243",
"250",
"256",
"289",
"297",
"320",
"338",
"343",
"351",
"361",
"363",
"375",
"384",
"405",
"448",
"486",
"507",
"512",
"513",
"529",
"539",
"567",
"576",
"578",
"605",
"621",
"625",
"637",
"640",
"648",
"675",
"686",
"704",
"722",
"729",
"750",
"768",
"783",
"832"
] |
[
"nonn",
"base"
] | 18 | 1 | 2 |
[
"A046759",
"A070939",
"A377369",
"A379373",
"A379537",
"A379538"
] | null |
Paolo Xausa, Dec 25 2024
| 2025-01-01T18:13:29 |
oeisdata/seq/A379/A379537.seq
|
1b1d5c62314366ae86eea6a6c5259eb7
|
A379538
|
Square array read by ascending antidiagonals: T(n,k) is the k-th frugal number in base n.
|
[
"1",
"1",
"27",
"1",
"32",
"32",
"1",
"27",
"49",
"49",
"1",
"27",
"64",
"64",
"64",
"1",
"81",
"81",
"81",
"81",
"81",
"1",
"64",
"125",
"125",
"121",
"98",
"121",
"1",
"64",
"81",
"243",
"128",
"125",
"121",
"125",
"1",
"81",
"81",
"125",
"250",
"162",
"128",
"125",
"128",
"1",
"125",
"125",
"125",
"243",
"256",
"169",
"169",
"128",
"135",
"1",
"125",
"128",
"128",
"128",
"343",
"289",
"243",
"243",
"169",
"147"
] |
[
"nonn",
"tabl",
"base"
] | 24 | 2 | 3 |
[
"A046759",
"A377478",
"A379373",
"A379537",
"A379538",
"A379539"
] | null |
Paolo Xausa, Dec 25 2024
| 2025-01-01T09:49:42 |
oeisdata/seq/A379/A379538.seq
|
00a17a1615fbf029a7bb2340b33c28ba
|
A379539
|
a(n) is the (n-1)-st frugal number in base n.
|
[
"1",
"32",
"64",
"125",
"250",
"343",
"343",
"625",
"729",
"1024",
"1849",
"2197",
"2401",
"3125",
"4374",
"5103",
"6250",
"7168",
"8704",
"9477",
"11875",
"13718",
"15379",
"17303",
"20577",
"22627",
"24334",
"27889",
"30613",
"32805",
"36501",
"39601",
"45056",
"50301",
"53125",
"59392",
"63869",
"69169",
"75449",
"78125",
"85169",
"89667",
"94249"
] |
[
"nonn",
"base"
] | 6 | 2 | 2 |
[
"A379538",
"A379539"
] | null |
Paolo Xausa, Dec 25 2024
| 2024-12-30T16:57:54 |
oeisdata/seq/A379/A379539.seq
|
b61357b0334313c6d545a6c83436ca1f
|
A379540
|
Row sums of A376832.
|
[
"0",
"0",
"3",
"16",
"60",
"168",
"385",
"768",
"1386",
"2320",
"3663",
"5520",
"8008",
"11256",
"15405",
"20608",
"27030",
"34848",
"44251",
"55440",
"68628",
"84040",
"101913",
"122496",
"146050",
"172848",
"203175",
"237328",
"275616",
"318360",
"365893",
"418560",
"476718",
"540736",
"610995",
"687888",
"771820",
"863208",
"962481",
"1070080",
"1186458"
] |
[
"nonn",
"easy"
] | 5 | 0 | 3 |
[
"A376832",
"A379540"
] | null |
Stefano Spezia, Dec 24 2024
| 2024-12-26T10:16:03 |
oeisdata/seq/A379/A379540.seq
|
dad03caaca95a6eac41e8be12912545d
|
A379541
|
Prime numbers such that the next greatest prime power is also prime.
|
[
"2",
"5",
"11",
"17",
"19",
"29",
"37",
"41",
"43",
"53",
"59",
"67",
"71",
"73",
"83",
"89",
"97",
"101",
"103",
"107",
"109",
"131",
"137",
"139",
"149",
"151",
"157",
"163",
"173",
"179",
"181",
"191",
"193",
"197",
"199",
"211",
"223",
"227",
"229",
"233",
"239",
"257",
"263",
"269",
"271",
"277",
"281",
"293",
"307",
"311",
"313",
"317",
"331",
"347",
"349",
"353"
] |
[
"nonn"
] | 7 | 1 | 1 |
[
"A000015",
"A000040",
"A000961",
"A001223",
"A025474",
"A031218",
"A053607",
"A057820",
"A065514",
"A067871",
"A068315",
"A080769",
"A131605",
"A178700",
"A246655",
"A274605",
"A304521",
"A345531",
"A366833",
"A366835",
"A377281",
"A377286",
"A377287",
"A377289",
"A378368",
"A379155",
"A379156",
"A379157",
"A379158",
"A379541"
] | null |
Gus Wiseman, Dec 24 2024
| 2024-12-25T00:50:49 |
oeisdata/seq/A379/A379541.seq
|
5a37bb4e78a9f0a3958ce6246b267caa
|
A379542
|
Second term of the n-th differences of the prime numbers.
|
[
"3",
"2",
"0",
"2",
"-6",
"14",
"-30",
"62",
"-122",
"220",
"-344",
"412",
"-176",
"-944",
"4112",
"-11414",
"26254",
"-53724",
"100710",
"-175034",
"281660",
"-410896",
"506846",
"-391550",
"-401486",
"2962260",
"-9621128",
"24977308",
"-57407998",
"120867310",
"-236098336",
"428880422",
"-719991244",
"1096219280"
] |
[
"sign"
] | 12 | 0 | 1 |
[
"A000040",
"A001223",
"A002808",
"A007442",
"A008578",
"A030016",
"A036263",
"A053445",
"A064113",
"A065890",
"A073445",
"A073783",
"A075526",
"A084758",
"A095195",
"A140119",
"A173390",
"A175804",
"A258025",
"A258026",
"A281425",
"A293467",
"A320590",
"A333214",
"A333254",
"A376682",
"A377033",
"A377034",
"A377036",
"A377037",
"A377038",
"A377041",
"A377046",
"A377051",
"A379542"
] | null |
Gus Wiseman, Jan 12 2025
| 2025-01-12T23:55:18 |
oeisdata/seq/A379/A379542.seq
|
10e6c9d9ab980e8927d809d1f69844e2
|
A379543
|
Least number x such that there are exactly n multisets of positive integers > 1 with sum + product = x. Position of first appearance of n in A379669.
|
[
"2",
"1",
"8",
"14",
"24",
"69",
"84",
"76",
"59",
"179",
"195",
"159",
"314",
"449",
"384",
"984",
"467",
"359",
"909",
"744",
"839"
] |
[
"nonn",
"more"
] | 6 | 0 | 1 |
[
"A000009",
"A000041",
"A001055",
"A002865",
"A025147",
"A045778",
"A069016",
"A111133",
"A318950",
"A319000",
"A379543",
"A379666",
"A379667",
"A379668",
"A379669",
"A379670",
"A379671",
"A379672",
"A379678",
"A379679",
"A379680",
"A379720",
"A379839",
"A379840",
"A379841",
"A379842",
"A379843"
] | null |
Gus Wiseman, Jan 15 2025
| 2025-01-15T23:51:20 |
oeisdata/seq/A379/A379543.seq
|
cff5b63dc1f4ac76abec828c7c01a087
|
A379544
|
a(n) = ((p-1)^n + (p+1)^n) mod p^2, where p is the n-th prime.
|
[
"0",
"2",
"5",
"2",
"110",
"2",
"238",
"2",
"414",
"2",
"682",
"2",
"1066",
"2",
"1410",
"2",
"2006",
"2",
"2546",
"2",
"3066",
"2",
"3818",
"2",
"4850",
"2",
"5562",
"2",
"6322",
"2",
"7874",
"2",
"9042",
"2",
"10430",
"2",
"11618",
"2",
"13026",
"2",
"14678",
"2",
"16426",
"2",
"17730",
"2",
"19834",
"2",
"22246",
"2",
"23766",
"2",
"25546",
"2",
"28270",
"2",
"30666"
] |
[
"nonn"
] | 24 | 1 | 2 | null | null |
Do Thanh Nhan, Dec 24 2024
| 2025-01-07T10:04:50 |
oeisdata/seq/A379/A379544.seq
|
4e348ac8877ec2e335f6ad0604ba139e
|
A379545
|
Triangle read by rows where row n lists powerful divisors d | n (i.e., d in A001694).
|
[
"1",
"1",
"1",
"1",
"4",
"1",
"1",
"1",
"1",
"4",
"8",
"1",
"9",
"1",
"1",
"1",
"4",
"1",
"1",
"1",
"1",
"4",
"8",
"16",
"1",
"1",
"9",
"1",
"1",
"4",
"1",
"1",
"1",
"1",
"4",
"8",
"1",
"25",
"1",
"1",
"9",
"27",
"1",
"4",
"1",
"1",
"1",
"1",
"4",
"8",
"16",
"32",
"1",
"1",
"1",
"1",
"4",
"9",
"36",
"1",
"1",
"1",
"1",
"4",
"8",
"1",
"1",
"1",
"1",
"4",
"1",
"9",
"1",
"1",
"1",
"4",
"8",
"16",
"1",
"49",
"1",
"25",
"1",
"1",
"4"
] |
[
"nonn",
"tabf",
"easy"
] | 31 | 1 | 5 |
[
"A000005",
"A001694",
"A005361",
"A007947",
"A027750",
"A332785",
"A379545",
"A380819"
] | null |
Michael De Vlieger, Feb 13 2025
| 2025-05-02T03:17:02 |
oeisdata/seq/A379/A379545.seq
|
82cf0f031357b08ae456781682e5140a
|
A379546
|
Expansion of (1/x) * Series_Reversion( x / ( (1+x)^2 * (1+2*x)^3 ) ).
|
[
"1",
"8",
"89",
"1150",
"16190",
"240966",
"3729185",
"59404934",
"967608590",
"16041857672",
"269807678442",
"4592326407908",
"78954271935856",
"1369136489157250",
"23918810207745777",
"420575805001923782",
"7437459126200243030",
"132190772588551036800",
"2360148586461490077870"
] |
[
"nonn"
] | 14 | 0 | 2 |
[
"A003168",
"A371398",
"A371406",
"A371669",
"A379522",
"A379546",
"A379547"
] | null |
Seiichi Manyama, Dec 25 2024
| 2024-12-25T09:17:12 |
oeisdata/seq/A379/A379546.seq
|
c1a73555098d79548146fbe1e71b2072
|
A379547
|
Expansion of (1/x) * Series_Reversion( x / ( (1+x)^2 * (1+2*x)^4 ) ).
|
[
"1",
"10",
"141",
"2318",
"41586",
"789404",
"15588677",
"316957910",
"6591000606",
"139521610540",
"2996554128002",
"65135251885164",
"1430214488595340",
"31676376789702720",
"706819317765805461",
"15874751837921964646",
"358585244386746378166",
"8141109472248910295708"
] |
[
"nonn"
] | 14 | 0 | 2 |
[
"A003168",
"A371406",
"A379546",
"A379547"
] | null |
Seiichi Manyama, Dec 25 2024
| 2024-12-25T09:16:57 |
oeisdata/seq/A379/A379547.seq
|
b6f4429254a13093d694c20dea2f469a
|
A379548
|
a(1) = 1. For n > 1, a(n) is the earliest novel squarefree number divisible by the smallest prime which does not divide a(n-1).
|
[
"1",
"2",
"3",
"6",
"5",
"10",
"15",
"14",
"21",
"22",
"30",
"7",
"26",
"33",
"34",
"39",
"38",
"42",
"35",
"46",
"51",
"58",
"57",
"62",
"66",
"55",
"70",
"69",
"74",
"78",
"65",
"82",
"87",
"86",
"93",
"94",
"102",
"85",
"106",
"105",
"110",
"111",
"114",
"95",
"118",
"123",
"122",
"129",
"130",
"138",
"115",
"134",
"141",
"142",
"159",
"146",
"165",
"154",
"174",
"145",
"158"
] |
[
"nonn"
] | 15 | 1 | 2 |
[
"A005117",
"A351495",
"A379548"
] | null |
David James Sycamore, Dec 25 2024
| 2024-12-28T18:21:21 |
oeisdata/seq/A379/A379548.seq
|
7158e4779dc81c8b7bd8be6d24a93f6e
|
A379549
|
Number of minimal edge covers in the n X n white bishop graph.
|
[
"1",
"2",
"117",
"11614",
"28254021"
] |
[
"nonn",
"more"
] | 7 | 2 | 2 | null | null |
Eric W. Weisstein, Dec 25 2024
| 2025-05-28T16:35:53 |
oeisdata/seq/A379/A379549.seq
|
f9be8f10876f33e5ed0b107ccb1ad631
|
A379550
|
Number of minimal edge covers in the n-trapezohedral graph.
|
[
"1",
"9",
"49",
"189",
"651",
"2138",
"6847",
"21805",
"69781",
"225260",
"734119",
"2413746",
"7995417",
"26639534",
"89150537",
"299309821",
"1007213417",
"3394930835",
"11456074815",
"38688727608",
"130728462411",
"441894675073",
"1494097644221",
"5052606384210",
"17088501738431",
"57800015328528",
"195513178028053"
] |
[
"nonn",
"easy"
] | 9 | 1 | 2 |
[
"A356213",
"A379550"
] | null |
Eric W. Weisstein, Dec 25 2024
| 2025-05-29T16:51:06 |
oeisdata/seq/A379/A379550.seq
|
dfc25510c53c7620ae2b0c2f47c79f75
|
A379551
|
Number of partitions of prime(n) into squares.
|
[
"1",
"1",
"2",
"2",
"4",
"6",
"9",
"10",
"14",
"26",
"28",
"46",
"60",
"66",
"84",
"124",
"169",
"192",
"256",
"311",
"347",
"455",
"545",
"713",
"993",
"1167",
"1255",
"1466",
"1590",
"1846",
"3042",
"3491",
"4279",
"4564",
"6312",
"6712",
"8094",
"9697",
"10923",
"13027",
"15460",
"16368",
"21585",
"22795",
"25392",
"26778",
"36651",
"49641",
"54801",
"57560"
] |
[
"nonn"
] | 12 | 1 | 3 |
[
"A000040",
"A001156",
"A379551"
] | null |
David James Sycamore, Dec 25 2024
| 2024-12-26T14:03:52 |
oeisdata/seq/A379/A379551.seq
|
ce40561fd0ed3b9a0deb8ed60090c86f
|
A379552
|
Number of pairs (d, k/d), d < k/d, such that d|k, rad(d) = rad(k/d) = rad(k), but d|k/d, for k = A376936(n), where rad = A007947.
|
[
"1",
"1",
"1",
"2",
"1",
"1",
"2",
"2",
"1",
"2",
"1",
"1",
"3",
"2",
"2",
"1",
"2",
"1",
"1",
"2",
"3",
"4",
"2",
"1",
"1",
"1",
"1",
"3",
"1",
"1",
"1",
"2",
"2",
"1",
"4",
"4",
"3",
"1",
"1",
"3",
"1",
"1",
"1",
"2",
"3",
"1",
"1",
"2",
"2",
"4",
"1",
"2",
"1",
"3",
"4",
"1",
"2",
"6",
"1",
"3",
"1",
"3",
"1",
"1",
"2",
"1",
"1",
"1",
"1",
"2",
"1",
"4",
"2",
"2",
"1",
"2",
"3",
"1",
"4",
"2",
"1",
"1",
"2",
"1",
"1",
"3",
"4"
] |
[
"nonn",
"easy"
] | 9 | 1 | 4 |
[
"A007947",
"A126706",
"A376936",
"A379552",
"A379553",
"A379554"
] | null |
Michael De Vlieger, Dec 25 2024
| 2024-12-28T09:14:20 |
oeisdata/seq/A379/A379552.seq
|
e8ac8111563c2f8b1470666e495fe83b
|
A379553
|
Numbers k in A376936 that set records in A379552.
|
[
"216",
"864",
"3456",
"7776",
"31104",
"124416",
"279936",
"497664",
"972000",
"1944000",
"3888000",
"7776000",
"11664000",
"15552000",
"31104000",
"34992000",
"46656000",
"62208000",
"77760000",
"97200000",
"194400000",
"291600000",
"388800000",
"777600000",
"874800000",
"1166400000",
"1555200000",
"3110400000",
"3499200000"
] |
[
"nonn"
] | 8 | 1 | 1 |
[
"A376936",
"A379552",
"A379553",
"A379554"
] | null |
Michael De Vlieger, Dec 25 2024
| 2024-12-30T17:09:44 |
oeisdata/seq/A379/A379553.seq
|
1267f954ab604a7cf9fd97964a299f0c
|
A379554
|
Records in A379552.
|
[
"1",
"2",
"3",
"4",
"6",
"8",
"9",
"10",
"12",
"14",
"18",
"20",
"21",
"24",
"26",
"27",
"28",
"30",
"32",
"36",
"40",
"42",
"48",
"52",
"54",
"56",
"60",
"64",
"72",
"78",
"80",
"90",
"96",
"100",
"108",
"114",
"120",
"126",
"128",
"135",
"136",
"144",
"150",
"160",
"168",
"170",
"176",
"180",
"186",
"192",
"200",
"204",
"210",
"224",
"240",
"248",
"252",
"264",
"272",
"280",
"288"
] |
[
"nonn"
] | 6 | 1 | 2 |
[
"A376936",
"A379552",
"A379553",
"A379554"
] | null |
Michael De Vlieger, Dec 25 2024
| 2024-12-30T17:09:57 |
oeisdata/seq/A379/A379554.seq
|
0cb1cab98be0f561e4e5577a16b9df84
|
A379555
|
Row products of the triangle A330613.
|
[
"1",
"1",
"10",
"312",
"19800",
"2112320",
"339721200",
"76736721600",
"23161613673856",
"9002333397657600",
"4378779743334796800",
"2605462349704907264000",
"1861650500340096385920000",
"1572904258939213777572323328",
"1551130967414603865237595648000",
"1765646154517023983944233381888000",
"2297658475440816396798100972400640000"
] |
[
"nonn"
] | 7 | 0 | 3 |
[
"A227514",
"A330613",
"A379555"
] | null |
Stefano Spezia, Dec 25 2024
| 2024-12-26T10:16:17 |
oeisdata/seq/A379/A379555.seq
|
0027ad9ead612ee5fcd839f23ed6dd81
|
A379556
|
Decimal expansion of the square root of 5312.
|
[
"7",
"2",
"8",
"8",
"3",
"4",
"6",
"8",
"6",
"3",
"3",
"1",
"5",
"4",
"3",
"9",
"1",
"0",
"5",
"5",
"5",
"6",
"5",
"0",
"0",
"8",
"8",
"3",
"7",
"5",
"0",
"9",
"3",
"5",
"3",
"5",
"2",
"0",
"7",
"9",
"3",
"1",
"1",
"3",
"3",
"4",
"6",
"1",
"1",
"9",
"6",
"4",
"6",
"8",
"1",
"9",
"9",
"7",
"5",
"5",
"0",
"7",
"7",
"2",
"0",
"5",
"2",
"8",
"1",
"6",
"9",
"5",
"5",
"4",
"2",
"6",
"7",
"2",
"4",
"5",
"3",
"2",
"4",
"6",
"8",
"2",
"7",
"3",
"1",
"6",
"8",
"7",
"4",
"3",
"3",
"4",
"1",
"7",
"9",
"7",
"3",
"9",
"1",
"3",
"9",
"7",
"5",
"4",
"1",
"0",
"7",
"0",
"0",
"6",
"4",
"5",
"5",
"9",
"7",
"0",
"2",
"1",
"7",
"5",
"1",
"0",
"6",
"6"
] |
[
"nonn",
"cons",
"easy",
"changed"
] | 19 | 2 | 1 |
[
"A010534",
"A379556"
] | null |
Alonso del Arte, Dec 25 2024
| 2025-07-09T05:07:48 |
oeisdata/seq/A379/A379556.seq
|
91daff744f6720a05424070f36629b81
|
A379557
|
Number k such that A379442(k) = k.
|
[
"1",
"2",
"30",
"285",
"750",
"822",
"826",
"952",
"2824",
"3016",
"6112"
] |
[
"nonn",
"more"
] | 6 | 1 | 2 |
[
"A379292",
"A379442",
"A379557",
"A379558",
"A379559"
] | null |
Scott R. Shannon, Dec 25 2024
| 2024-12-26T10:17:20 |
oeisdata/seq/A379/A379557.seq
|
b7afc66275d7e52eadfe84498ba99619
|
A379558
|
Index where prime(n) appears as a term in A379442.
|
[
"2",
"6",
"17",
"25",
"77",
"83",
"89",
"259",
"319",
"329",
"539",
"545",
"1010",
"1016",
"1026",
"1032",
"2128",
"2134",
"2140",
"2146",
"2152",
"2158",
"3196",
"3202",
"3222",
"3228",
"3234",
"5465",
"5471",
"5487",
"5493",
"6300",
"6308",
"6314",
"6320",
"8252",
"8258",
"8264",
"8270",
"8276",
"8282",
"8288",
"13775",
"13949",
"13957",
"13965",
"13971",
"13977",
"13983",
"13989",
"13995",
"14001",
"27677",
"27683",
"27689",
"27695",
"27701",
"27707",
"27713",
"27719"
] |
[
"nonn"
] | 11 | 1 | 1 |
[
"A379290",
"A379442",
"A379557",
"A379558",
"A379559"
] | null |
Scott R. Shannon, Dec 25 2024
| 2025-01-06T08:59:13 |
oeisdata/seq/A379/A379558.seq
|
43a7838a29bd9b8c84aff5a94d5c75f1
|
A379559
|
Index where n appears as a term in A379442.
|
[
"1",
"2",
"6",
"3",
"17",
"4",
"25",
"9",
"5",
"15",
"77",
"8",
"83",
"13",
"19",
"10",
"89",
"7",
"259",
"12",
"23",
"28",
"319",
"11",
"16",
"34",
"21",
"27",
"329",
"30",
"539",
"40",
"56",
"36",
"73",
"31",
"545",
"46",
"58",
"38",
"1010",
"32",
"1016",
"14",
"22",
"48",
"1026",
"39",
"24",
"18",
"60",
"29",
"1032",
"64",
"79",
"44",
"62",
"52",
"2128",
"35",
"2134",
"50",
"20",
"41",
"81",
"54",
"2140",
"33",
"97",
"71",
"2146",
"69",
"2152",
"103",
"72",
"37",
"75",
"101",
"2158",
"43",
"65",
"107",
"3196",
"47"
] |
[
"nonn"
] | 12 | 1 | 2 |
[
"A379293",
"A379442",
"A379557",
"A379558",
"A379559"
] | null |
Scott R. Shannon, Dec 25 2024
| 2025-01-06T08:59:17 |
oeisdata/seq/A379/A379559.seq
|
ce3e8a95e2f077a725404a189b7b1b75
|
A379560
|
a(1) = 1, a(2) = 4; for n > 2, a(n) is the smallest unused positive nonsquarefree number that shares a factor with a(n-1).
|
[
"1",
"4",
"8",
"12",
"9",
"18",
"16",
"20",
"24",
"27",
"36",
"28",
"32",
"40",
"25",
"45",
"48",
"44",
"50",
"52",
"54",
"56",
"49",
"63",
"60",
"64",
"68",
"72",
"75",
"80",
"76",
"84",
"81",
"90",
"88",
"92",
"96",
"98",
"100",
"104",
"108",
"99",
"117",
"120",
"112",
"116",
"124",
"126",
"128",
"132",
"121",
"176",
"136",
"140",
"125",
"135",
"144",
"147",
"150",
"148",
"152",
"156",
"153",
"162",
"160",
"164",
"168",
"171",
"180",
"172",
"184",
"188",
"192",
"189",
"175",
"196",
"198",
"200",
"204",
"207",
"216"
] |
[
"nonn"
] | 8 | 1 | 2 |
[
"A013929",
"A064413",
"A100113",
"A379248",
"A379560"
] | null |
Scott R. Shannon, Dec 26 2024
| 2024-12-26T10:14:49 |
oeisdata/seq/A379/A379560.seq
|
bd536ab71ab8de00e1477fbb2139848e
|
A379561
|
a(n) = A003418(n+1)*H(n), where H(n) = 1 + 1/2 + ... + 1/n is the n-th harmonic number.
|
[
"2",
"9",
"22",
"125",
"137",
"1029",
"2178",
"6849",
"7129",
"81191",
"83711",
"1118273",
"1145993",
"1171733",
"2391514",
"41421503",
"42142223",
"813635157",
"825887397",
"837527025",
"848612385",
"19761458895",
"19994251455",
"101086721625",
"102157567401",
"309561680403",
"312536252003",
"9146733078187"
] |
[
"nonn"
] | 131 | 1 | 1 |
[
"A000203",
"A001008",
"A002805",
"A003418",
"A025529",
"A025558",
"A027457",
"A077761",
"A152648",
"A193758",
"A206431",
"A379561"
] | null |
Miko Labalan, Dec 26 2024
| 2025-02-05T16:56:34 |
oeisdata/seq/A379/A379561.seq
|
d9a22228d7d95dff7281c34ffb356920
|
A379562
|
Number of compositions (ordered partitions) of 1 into {1/1^3, 1/2^3, 1/3^3, ..., 1/n^3}.
|
[
"1",
"2",
"3",
"272335",
"272336"
] |
[
"nonn",
"more"
] | 8 | 1 | 2 |
[
"A000578",
"A020473",
"A038034",
"A378271",
"A379528",
"A379562"
] | null |
Ilya Gutkovskiy, Dec 26 2024
| 2025-01-08T07:11:42 |
oeisdata/seq/A379/A379562.seq
|
6d8b3bda3804061adefd40dbae3662ea
|
A379563
|
Smallest degree of x with the largest coefficient in Product_{k=1..n} (1 + x^prime(k)).
|
[
"0",
"0",
"0",
"5",
"5",
"5",
"18",
"18",
"35",
"42",
"58",
"73",
"89",
"114",
"137",
"163",
"190",
"220",
"249",
"281",
"318",
"356",
"393",
"437",
"480",
"530",
"580",
"632",
"685",
"740",
"796",
"860",
"925",
"994",
"1063",
"1138",
"1213",
"1292",
"1373",
"1457",
"1543",
"1633",
"1723",
"1819",
"1915",
"2014",
"2113",
"2219",
"2330",
"2444",
"2558",
"2675",
"2794",
"2915",
"3040",
"3169"
] |
[
"nonn"
] | 5 | 0 | 4 |
[
"A000586",
"A350393",
"A350457",
"A379563",
"A379564"
] | null |
Ilya Gutkovskiy, Dec 26 2024
| 2025-01-07T10:20:47 |
oeisdata/seq/A379/A379563.seq
|
8917077e3b1a5c5985657f5038c56444
|
A379564
|
Largest degree of x with the largest coefficient in Product_{k=1..n} (1 + x^prime(k)).
|
[
"0",
"2",
"5",
"5",
"12",
"23",
"23",
"40",
"42",
"58",
"71",
"87",
"108",
"124",
"144",
"165",
"191",
"220",
"252",
"287",
"321",
"356",
"398",
"437",
"483",
"530",
"581",
"632",
"686",
"740",
"797",
"860",
"926",
"994",
"1064",
"1138",
"1214",
"1292",
"1374",
"1457",
"1544",
"1633",
"1724",
"1819",
"1916",
"2014",
"2114",
"2219",
"2331",
"2444",
"2559",
"2675",
"2795",
"2915",
"3041",
"3169"
] |
[
"nonn"
] | 4 | 0 | 2 |
[
"A000586",
"A350394",
"A350457",
"A379563",
"A379564"
] | null |
Ilya Gutkovskiy, Dec 26 2024
| 2025-01-07T10:20:57 |
oeisdata/seq/A379/A379564.seq
|
461305d48730db13fbd902a70e4ffd3c
|
A379565
|
Decimal expansion of (2/3)*x where x is the real solution of the equation x^2 + 2*sqrt(1 - x^2) = 2*x*(x + arccos(x)).
|
[
"4",
"2",
"7",
"8",
"7",
"3",
"3",
"9",
"7",
"1",
"2",
"4",
"7",
"2",
"8",
"0",
"1",
"6",
"4",
"4",
"4",
"0",
"3",
"7",
"0",
"0",
"6",
"4",
"4",
"6",
"6",
"5",
"2",
"6",
"5",
"7",
"7",
"8",
"0",
"6",
"0",
"7",
"5",
"9",
"4",
"6",
"6",
"3",
"3",
"6",
"1",
"2",
"6",
"2",
"7",
"6",
"8",
"8",
"6",
"6",
"2",
"8",
"3",
"0",
"5",
"6",
"4",
"8",
"5",
"7",
"3",
"8",
"2",
"1",
"9",
"7",
"1",
"1",
"5",
"9",
"5",
"9",
"1",
"7",
"4",
"9",
"7",
"2",
"9",
"3",
"1",
"1",
"7",
"5",
"8",
"0",
"1",
"9",
"0",
"0"
] |
[
"nonn",
"cons"
] | 4 | 0 | 1 |
[
"A244054",
"A379565"
] | null |
Stefano Spezia, Dec 26 2024
| 2024-12-26T13:35:43 |
oeisdata/seq/A379/A379565.seq
|
4b8380d776523f73ae9ef8cdef95aec8
|
A379566
|
Number of n-digit numbers that have exactly 3 divisors.
|
[
"2",
"2",
"7",
"14",
"40",
"103",
"278",
"783",
"2172",
"6191",
"17701",
"51205",
"149149",
"436932",
"1287378",
"3809498",
"11321211",
"33764868",
"101029398",
"303175579",
"912147300",
"2750855002",
"8313825647",
"25176031558",
"76375623757",
"232082001064",
"706304629714",
"2152571584249",
"6568923555719"
] |
[
"nonn",
"base"
] | 14 | 1 | 1 |
[
"A001248",
"A006880",
"A122121",
"A284398",
"A379566"
] | null |
Seiichi Manyama, Dec 26 2024
| 2024-12-26T10:15:28 |
oeisdata/seq/A379/A379566.seq
|
f2c643f8cc0e93d0fda1f6aa256ad833
|
A379567
|
Number of n-digit numbers that have exactly 4 divisors.
|
[
"2",
"30",
"260",
"2316",
"20719",
"186565",
"1694033",
"15522194",
"143359184",
"1332981873",
"12466196499",
"117165976234",
"1105961883514",
"10478813824875",
"99613913708218",
"949727471728542"
] |
[
"nonn",
"more",
"base"
] | 13 | 1 | 1 |
[
"A035533",
"A284398",
"A379567"
] | null |
Seiichi Manyama, Dec 26 2024
| 2024-12-26T10:15:23 |
oeisdata/seq/A379/A379567.seq
|
e1afe0547d8d48bc5a0b911b41eab20e
|
A379568
|
Number of n-digit numbers that have exactly 5 divisors.
|
[
"0",
"2",
"1",
"1",
"3",
"4",
"5",
"9",
"15",
"25",
"37",
"66",
"107",
"171",
"293",
"490",
"810",
"1362",
"2302",
"3889",
"6552",
"11149",
"18950",
"32255",
"55053",
"94096",
"161036",
"275896",
"473709",
"813669",
"1399593",
"2409905",
"4154437",
"7166774",
"12375776",
"21389092",
"36994679",
"64034719",
"110918422",
"192257157",
"333449674",
"578697626"
] |
[
"nonn",
"base"
] | 28 | 1 | 2 |
[
"A006880",
"A284398",
"A379566",
"A379568"
] | null |
Seiichi Manyama, Dec 26 2024
| 2024-12-30T04:27:48 |
oeisdata/seq/A379/A379568.seq
|
b1c47c59778c7ec050060f044346b940
|
A379569
|
Number of n-digit numbers that have exactly 6 divisors.
|
[
"0",
"16",
"94",
"654",
"4863",
"38243",
"313705",
"2658846",
"23073712",
"203859889",
"1826368510",
"16544195786",
"151222451513",
"1392635179004",
"12906366376283",
"120260052661235"
] |
[
"nonn",
"more",
"base"
] | 24 | 1 | 2 |
[
"A030515",
"A284398",
"A379569"
] | null |
Seiichi Manyama, Dec 26 2024
| 2025-01-02T12:17:10 |
oeisdata/seq/A379/A379569.seq
|
a0272dbc4ee81fdb6f8edb866d77712f
|
A379570
|
Number of n-digit numbers that have exactly 8 divisors.
|
[
"0",
"10",
"170",
"1934",
"20067",
"202246",
"2003991",
"19674052",
"192215670",
"1873532828",
"18242642732",
"177582019015",
"1728951136938",
"16840198807124",
"164117159854744",
"1600427660469575",
"15617400806292160"
] |
[
"nonn",
"more",
"base"
] | 38 | 1 | 2 |
[
"A215218",
"A284398",
"A379570"
] | null |
Seiichi Manyama, Dec 26 2024
| 2025-05-03T23:51:49 |
oeisdata/seq/A379/A379570.seq
|
a751ea25eea7bd563a9bc1170fda221d
|
A379571
|
Number of minimal total dominating sets in the n-Pell graph.
|
[
"1",
"2",
"30",
"18128",
"36204540666"
] |
[
"nonn",
"more"
] | 9 | 1 | 2 |
[
"A365091",
"A365571",
"A379571",
"A382548"
] | null |
Eric W. Weisstein, Dec 26 2024
| 2025-06-12T03:41:34 |
oeisdata/seq/A379/A379571.seq
|
ec658230c7d1b92154cfb821ebaa11ef
|
A379572
|
Number of uniquely graceful graphs containing no isolated points.
|
[
"0",
"1",
"2",
"4",
"1",
"5",
"10",
"29"
] |
[
"nonn",
"more"
] | 8 | 1 | 3 |
[
"A379572",
"A379573",
"A379574"
] | null |
Eric W. Weisstein, Dec 26 2024
| 2024-12-31T11:14:52 |
oeisdata/seq/A379/A379572.seq
|
68fa24e3e8cf54f091e4cc0cab0f07e9
|
A379573
|
Numbers of connected uniquely graceful graph on n vertices.
|
[
"1",
"1",
"2",
"4",
"1",
"4",
"2",
"19"
] |
[
"nonn",
"more"
] | 8 | 1 | 3 |
[
"A379572",
"A379573",
"A379574"
] | null |
Eric W. Weisstein, Dec 26 2024
| 2024-12-31T11:14:56 |
oeisdata/seq/A379/A379573.seq
|
0966940e97f6cbc2ad9e49a4a75fc305
|
A379574
|
Numbers of (not necessarily connected) uniquely graceful graphs on n vertices.
|
[
"1",
"1",
"2",
"5",
"2",
"5",
"11",
"33"
] |
[
"nonn",
"more"
] | 8 | 1 | 3 |
[
"A379572",
"A379573",
"A379574"
] | null |
Eric W. Weisstein, Dec 26 2024
| 2024-12-31T11:15:01 |
oeisdata/seq/A379/A379574.seq
|
34109214c90d8d01d3f8ef2efed34062
|
A379575
|
Total numbers of fundamentally distinct graceful labelings among all simple graphs on n vertices having no isolated points.
|
[
"0",
"1",
"2",
"13",
"157",
"3292",
"110578",
"5903888"
] |
[
"nonn",
"more"
] | 9 | 1 | 3 |
[
"A333727",
"A379575",
"A379576"
] | null |
Eric W. Weisstein, Dec 26 2024
| 2024-12-31T11:15:09 |
oeisdata/seq/A379/A379575.seq
|
235d37b138b2d4c8d35d6237239f0815
|
A379576
|
Total numbers of fundamentally distinct graceful labelings of all simple graphs on n vertices.
|
[
"1",
"1",
"2",
"14",
"174",
"3655",
"122439",
"6470268"
] |
[
"nonn",
"more"
] | 15 | 1 | 3 |
[
"A333727",
"A379575",
"A379576"
] | null |
Eric W. Weisstein, Dec 26 2024
| 2024-12-31T14:37:22 |
oeisdata/seq/A379/A379576.seq
|
9b4f3ed23b281bc4512ee5168033286d
|
A379577
|
a(n) = (n!)^n + n^n.
|
[
"2",
"2",
"8",
"243",
"332032",
"24883203125",
"139314069504046656",
"82606411253903523840823543",
"6984964247141514123629140377616777216",
"109110688415571316480344899355894085582848387420489",
"395940866122425193243875570782668457763038822400000000010000000000",
"409933016554924328182440935903164918932547530146724293451448320000000000285311670611"
] |
[
"nonn",
"easy"
] | 16 | 0 | 1 |
[
"A000142",
"A000312",
"A036740",
"A379577"
] | null |
Ctibor O. Zizka, Dec 26 2024
| 2024-12-30T06:20:48 |
oeisdata/seq/A379/A379577.seq
|
cc1d52f9657ff3c391d621de5ea83380
|
A379578
|
In the base-4 expansion of n map 0->1, 1->3, 2->0, 3->2.
|
[
"1",
"3",
"0",
"2",
"13",
"15",
"12",
"14",
"1",
"3",
"0",
"2",
"9",
"11",
"8",
"10",
"53",
"55",
"52",
"54",
"61",
"63",
"60",
"62",
"49",
"51",
"48",
"50",
"57",
"59",
"56",
"58",
"5",
"7",
"4",
"6",
"13",
"15",
"12",
"14",
"1",
"3",
"0",
"2",
"9",
"11",
"8",
"10",
"37",
"39",
"36",
"38",
"45",
"47",
"44",
"46",
"33",
"35",
"32",
"34",
"41",
"43",
"40",
"42",
"213",
"215",
"212",
"214",
"221"
] |
[
"nonn",
"base",
"easy",
"look"
] | 49 | 0 | 2 |
[
"A000225",
"A020988",
"A035327",
"A379578"
] | null |
Darío Clavijo, Dec 26 2024
| 2025-01-06T20:03:29 |
oeisdata/seq/A379/A379578.seq
|
e0a739c1544251dc5e90ed72ba459e5d
|
A379579
|
Numerators of the partial sums of the reciprocals of the powerfree part function (A055231).
|
[
"1",
"3",
"11",
"17",
"91",
"16",
"117",
"152",
"187",
"381",
"4261",
"13553",
"178499",
"90322",
"30441",
"35446",
"607587",
"1300259",
"24875091",
"25521737",
"77027101",
"38733998",
"895731799",
"932913944",
"1044460379",
"2097501253",
"2320594123",
"2352464533",
"68444564327",
"11443370128",
"355822756173",
"389249504528"
] |
[
"nonn",
"easy",
"frac"
] | 7 | 1 | 2 |
[
"A055231",
"A328013",
"A370900",
"A370901",
"A379579",
"A379580",
"A379581"
] | null |
Amiram Eldar, Dec 26 2024
| 2024-12-26T20:02:19 |
oeisdata/seq/A379/A379579.seq
|
ced1daabd7b51ad13fc4115dbc6a1e0c
|
A379580
|
Denominators of the partial sums of the reciprocals of the powerfree part function (A055231).
|
[
"1",
"2",
"6",
"6",
"30",
"5",
"35",
"35",
"35",
"70",
"770",
"2310",
"30030",
"15015",
"5005",
"5005",
"85085",
"170170",
"3233230",
"3233230",
"9699690",
"4849845",
"111546435",
"111546435",
"111546435",
"223092870",
"223092870",
"223092870",
"6469693230",
"1078282205",
"33426748355",
"33426748355",
"9116385915",
"18232771830"
] |
[
"nonn",
"easy",
"frac"
] | 6 | 1 | 2 |
[
"A055231",
"A370900",
"A370901",
"A379579",
"A379580",
"A379582"
] | null |
Amiram Eldar, Dec 26 2024
| 2024-12-26T20:02:30 |
oeisdata/seq/A379/A379580.seq
|
48dcb069c070a9ae3b80c287f97ccbc8
|
A379581
|
Numerators of the partial alternating sums of the reciprocals of the powerfree part function (A055231).
|
[
"1",
"1",
"5",
"-1",
"1",
"-2",
"1",
"-104",
"1",
"-19",
"1",
"-769",
"-7687",
"-4916",
"-261",
"-1262",
"-20453",
"-57923",
"-1066503",
"-5979161",
"-17475593",
"-8958244",
"-201189767",
"-79457304",
"-42275159",
"-87410483",
"-13046193",
"-23669663",
"-612055937",
"-1025912126",
"-28568429291",
"-128848674356",
"-125809879051"
] |
[
"sign",
"easy",
"frac"
] | 8 | 1 | 3 |
[
"A055231",
"A328013",
"A370900",
"A370901",
"A379579",
"A379581",
"A379582"
] | null |
Amiram Eldar, Dec 26 2024
| 2024-12-26T20:02:40 |
oeisdata/seq/A379/A379581.seq
|
011a444523efb572fb5f012cedf21caf
|
A379582
|
Denominators of the partial alternating sums of the reciprocals of the powerfree part function (A055231).
|
[
"1",
"2",
"6",
"6",
"30",
"15",
"105",
"105",
"105",
"210",
"2310",
"2310",
"30030",
"15015",
"1001",
"1001",
"17017",
"34034",
"646646",
"3233230",
"9699690",
"4849845",
"111546435",
"37182145",
"37182145",
"74364290",
"74364290",
"74364290",
"2156564410",
"3234846615",
"100280245065",
"100280245065",
"100280245065",
"200560490130"
] |
[
"nonn",
"easy",
"frac"
] | 6 | 1 | 2 |
[
"A055231",
"A370900",
"A370901",
"A379580",
"A379581",
"A379582"
] | null |
Amiram Eldar, Dec 26 2024
| 2024-12-26T20:02:49 |
oeisdata/seq/A379/A379582.seq
|
7bec1916a7b7a65684f3b8f083d9dfdb
|
A379583
|
Numerators of the partial sums of the reciprocals of the powerful part function (A057521).
|
[
"1",
"2",
"3",
"13",
"17",
"21",
"25",
"51",
"467",
"539",
"611",
"629",
"701",
"773",
"845",
"1699",
"1843",
"1859",
"2003",
"2039",
"2183",
"2327",
"2471",
"2489",
"62369",
"65969",
"198307",
"201007",
"211807",
"222607",
"233407",
"467489",
"489089",
"510689",
"532289",
"532889",
"554489",
"576089",
"597689",
"600389",
"621989",
"643589",
"665189"
] |
[
"nonn",
"easy",
"frac"
] | 6 | 1 | 2 |
[
"A057521",
"A191622",
"A370902",
"A370903",
"A379583",
"A379584",
"A379585"
] | null |
Amiram Eldar, Dec 26 2024
| 2024-12-26T20:02:58 |
oeisdata/seq/A379/A379583.seq
|
2fb686b621f21295614d5e7333f9061d
|
A379584
|
Denominators of the partial sums of the reciprocals of the powerful part function (A057521).
|
[
"1",
"1",
"1",
"4",
"4",
"4",
"4",
"8",
"72",
"72",
"72",
"72",
"72",
"72",
"72",
"144",
"144",
"144",
"144",
"144",
"144",
"144",
"144",
"144",
"3600",
"3600",
"10800",
"10800",
"10800",
"10800",
"10800",
"21600",
"21600",
"21600",
"21600",
"21600",
"21600",
"21600",
"21600",
"21600",
"21600",
"21600",
"21600",
"21600",
"21600",
"21600",
"21600",
"21600",
"1058400"
] |
[
"nonn",
"easy",
"frac"
] | 6 | 1 | 4 |
[
"A057521",
"A370902",
"A370903",
"A379583",
"A379584",
"A379586"
] | null |
Amiram Eldar, Dec 26 2024
| 2024-12-26T20:03:05 |
oeisdata/seq/A379/A379584.seq
|
fd59ada46c8bbcf4d6ed00396cc0ef68
|
A379585
|
Numerators of the partial alternating sums of the reciprocals of the powerful part function (A057521).
|
[
"1",
"0",
"1",
"3",
"7",
"3",
"7",
"13",
"125",
"53",
"125",
"107",
"179",
"107",
"179",
"349",
"493",
"53",
"69",
"65",
"81",
"65",
"81",
"79",
"1991",
"1591",
"43357",
"40657",
"51457",
"40657",
"51457",
"102239",
"123839",
"102239",
"123839",
"123239",
"144839",
"123239",
"144839",
"142139",
"163739",
"142139",
"163739",
"158339",
"160739",
"139139"
] |
[
"nonn",
"easy",
"frac"
] | 6 | 1 | 4 |
[
"A057521",
"A191622",
"A370902",
"A370903",
"A379583",
"A379585",
"A379586"
] | null |
Amiram Eldar, Dec 26 2024
| 2024-12-26T20:03:13 |
oeisdata/seq/A379/A379585.seq
|
b6990e0455c207f5bfcdf1b9c76fdfff
|
A379586
|
Denominators of the partial alternating sums of the reciprocals of the powerful part function (A057521).
|
[
"1",
"1",
"1",
"4",
"4",
"4",
"4",
"8",
"72",
"72",
"72",
"72",
"72",
"72",
"72",
"144",
"144",
"16",
"16",
"16",
"16",
"16",
"16",
"16",
"400",
"400",
"10800",
"10800",
"10800",
"10800",
"10800",
"21600",
"21600",
"21600",
"21600",
"21600",
"21600",
"21600",
"21600",
"21600",
"21600",
"21600",
"21600",
"21600",
"21600",
"21600",
"21600",
"21600",
"1058400"
] |
[
"nonn",
"easy",
"frac"
] | 6 | 1 | 4 |
[
"A057521",
"A370902",
"A370903",
"A379584",
"A379585",
"A379586"
] | null |
Amiram Eldar, Dec 26 2024
| 2024-12-26T20:03:20 |
oeisdata/seq/A379/A379586.seq
|
f8fddd84f8e6459555dd28a9e1937678
|
A379587
|
Array read by ascending antidiagonals: A(n, k) = (k^n - 1)^2/(k - 1), with k >= 2.
|
[
"0",
"1",
"0",
"9",
"2",
"0",
"49",
"32",
"3",
"0",
"225",
"338",
"75",
"4",
"0",
"961",
"3200",
"1323",
"144",
"5",
"0",
"3969",
"29282",
"21675",
"3844",
"245",
"6",
"0",
"16129",
"264992",
"348843",
"97344",
"9245",
"384",
"7",
"0",
"65025",
"2389298",
"5589675",
"2439844",
"335405",
"19494",
"567",
"8",
"0",
"261121",
"21516800",
"89467563",
"61027344",
"12090125",
"960000",
"37303",
"800",
"9",
"0"
] |
[
"nonn",
"easy",
"tabl"
] | 8 | 0 | 4 |
[
"A027620",
"A060867",
"A060868",
"A060869",
"A060870",
"A060871",
"A361475",
"A379587",
"A379588"
] | null |
Stefano Spezia, Dec 26 2024
| 2024-12-26T20:01:43 |
oeisdata/seq/A379/A379587.seq
|
ca5ce638a91fc2e978036dec1e0a4383
|
A379588
|
Antidiagonal sums of the array A379587.
|
[
"0",
"1",
"11",
"84",
"642",
"5633",
"59021",
"736944",
"10839316",
"185361065",
"3637063343",
"80939054884",
"2023405966486",
"56362728831929",
"1736960568923505",
"58853395571312176",
"2180579093801111176",
"87921539854223957169",
"3841160785119756991059"
] |
[
"nonn"
] | 7 | 0 | 3 |
[
"A361476",
"A379587",
"A379588"
] | null |
Stefano Spezia, Dec 26 2024
| 2024-12-26T20:01:52 |
oeisdata/seq/A379/A379588.seq
|
3e847a2ea1530d1886a83662b47f213c
|
A379589
|
Maximum number of connections for a 4 X n rectangle.
|
[
"1",
"31",
"800",
"6466",
"60778",
"441492",
"3216584",
"18693320"
] |
[
"nonn",
"more"
] | 7 | 2 | 2 |
[
"A379241",
"A379393",
"A379589"
] | null |
Rodolfo Kurchan, Dec 26 2024
| 2024-12-26T19:58:56 |
oeisdata/seq/A379/A379589.seq
|
2feb5a0405c94daba39bb5314421d242
|
A379590
|
a(n) is the number of prime divisors d of n such that 2^d - 1 is prime.
|
[
"0",
"1",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"2",
"0",
"2",
"1",
"2",
"2",
"1",
"1",
"2",
"1",
"2",
"2",
"1",
"0",
"2",
"1",
"2",
"1",
"2",
"0",
"3",
"1",
"1",
"1",
"2",
"2",
"2",
"0",
"2",
"2",
"2",
"0",
"3",
"0",
"1",
"2",
"1",
"0",
"2",
"1",
"2",
"2",
"2",
"0",
"2",
"1",
"2",
"2",
"1",
"0",
"3",
"1",
"2",
"2",
"1",
"2",
"2",
"0",
"2",
"1",
"3",
"0",
"2",
"0",
"1",
"2",
"2",
"1",
"3",
"0",
"2",
"1",
"1",
"0",
"3",
"2",
"1",
"1",
"1",
"1",
"3",
"2",
"1",
"2",
"1",
"2",
"2",
"0",
"2",
"1",
"2"
] |
[
"nonn"
] | 32 | 1 | 6 |
[
"A000005",
"A000043",
"A054723",
"A379590"
] | null |
Juri-Stepan Gerasimov, Dec 26 2024
| 2025-01-11T19:08:34 |
oeisdata/seq/A379/A379590.seq
|
cc4ec6a9b22dce2efa2097cb52949381
|
A379591
|
Numbers k whose base-10 digits can be split into two parts, q and r, with k = (|q-r|)^3.
|
[
"1000",
"456533",
"474552",
"1000000",
"69426531",
"1000000000",
"1000000000000",
"1000000000000000",
"1000000000000000000",
"1000000000000000000000",
"1000000000000000000000000",
"1000000000000000000000000000",
"1000000000000000000000000000000",
"1000000000000000000000000000000000"
] |
[
"nonn",
"base"
] | 17 | 1 | 1 |
[
"A102766",
"A228103",
"A379591"
] | null |
Travis Vasquez, Dec 26 2024
| 2025-01-14T17:14:38 |
oeisdata/seq/A379/A379591.seq
|
5c1650195b5b6633c1611293b22e827d
|
A379592
|
Number of coreful divisor pairs (d, k/d), d | k, d < k/d, such that only one divisor divides the other, where k is in A320966.
|
[
"1",
"1",
"1",
"2",
"2",
"1",
"1",
"1",
"1",
"3",
"1",
"1",
"1",
"2",
"3",
"2",
"1",
"1",
"1",
"1",
"2",
"1",
"4",
"2",
"1",
"2",
"1",
"2",
"1",
"2",
"2",
"1",
"2",
"1",
"4",
"1",
"3",
"3",
"1",
"1",
"1",
"1",
"2",
"2",
"3",
"1",
"1",
"2",
"2",
"1",
"5",
"3",
"1",
"3",
"1",
"1",
"1",
"4",
"1",
"1",
"1",
"1",
"2",
"1",
"2",
"2",
"3",
"1",
"1",
"3",
"1",
"1",
"2",
"4",
"1",
"2",
"5",
"1",
"1",
"1",
"4",
"1",
"1",
"2",
"5",
"1",
"1"
] |
[
"nonn"
] | 6 | 1 | 4 |
[
"A320966",
"A370329",
"A379552",
"A379592"
] | null |
Michael De Vlieger, Dec 28 2024
| 2025-01-01T01:47:43 |
oeisdata/seq/A379/A379592.seq
|
fd8bc406b18c4b96c79c56cdc965b1ea
|
A379593
|
Numbers that set records in A379592.
|
[
"8",
"32",
"128",
"512",
"2048",
"8192",
"20736",
"41472",
"82944",
"165888",
"186624",
"373248",
"746496",
"1492992",
"2985984",
"5971968",
"6718464",
"11943936",
"23887872",
"26873856",
"53747712",
"107495424",
"214990848",
"241864704",
"429981696",
"859963392",
"967458816",
"1719926784",
"3439853568",
"3869835264",
"7464960000"
] |
[
"nonn"
] | 8 | 1 | 1 |
[
"A005934",
"A025487",
"A320966",
"A361430",
"A370329",
"A379592",
"A379593",
"A379594"
] | null |
Michael De Vlieger, Dec 30 2024
| 2025-01-01T01:47:54 |
oeisdata/seq/A379/A379593.seq
|
0a6394573011877e3e841d19f71f5fc8
|
A379594
|
Records in A379592.
|
[
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9",
"10",
"11",
"12",
"14",
"15",
"17",
"18",
"19",
"20",
"21",
"23",
"24",
"27",
"28",
"29",
"31",
"32",
"34",
"35",
"36",
"39",
"41",
"44",
"47",
"48",
"49",
"53",
"55",
"59",
"62",
"63",
"71",
"72",
"74",
"83",
"84",
"89",
"95",
"96",
"104",
"107",
"111",
"119",
"120",
"125",
"127",
"134",
"139",
"143",
"149",
"159",
"161",
"167",
"179",
"180"
] |
[
"nonn"
] | 6 | 1 | 2 |
[
"A036965",
"A379554",
"A379592",
"A379593",
"A379594"
] | null |
Michael De Vlieger, Dec 30 2024
| 2025-01-01T01:48:02 |
oeisdata/seq/A379/A379594.seq
|
cb663b4697c3434d57c1f1da99cb6416
|
A379595
|
Numbers k for which A376900(k) = k.
|
[
"0",
"385",
"386",
"387",
"390",
"392",
"404",
"405",
"406"
] |
[
"nonn",
"fini",
"full"
] | 4 | 1 | 2 |
[
"A376900",
"A379595"
] | null |
Felix Huber, Dec 26 2024
| 2025-01-07T10:21:33 |
oeisdata/seq/A379/A379595.seq
|
f73eeeb1feeaeefd4bd3dd35cb73493e
|
A379596
|
a(n) is the least positive integer k for which k^2 + (k + n)^2 is a square.
|
[
"3",
"6",
"9",
"12",
"15",
"18",
"5",
"24",
"27",
"30",
"33",
"36",
"39",
"10",
"45",
"48",
"7",
"54",
"57",
"60",
"15",
"66",
"12",
"72",
"75",
"78",
"81",
"20",
"87",
"90",
"9",
"96",
"99",
"14",
"25",
"108",
"111",
"114",
"117",
"120",
"36",
"30",
"129",
"132",
"135",
"24",
"16",
"144",
"11",
"150",
"21",
"156",
"159",
"162",
"165",
"40",
"171",
"174",
"177",
"180",
"183",
"18",
"45"
] |
[
"nonn",
"easy"
] | 26 | 1 | 1 |
[
"A009004",
"A089015",
"A120682",
"A132404",
"A289398",
"A379596",
"A379830"
] | null |
Felix Huber, Feb 15 2025
| 2025-03-02T10:02:12 |
oeisdata/seq/A379/A379596.seq
|
63a5125cc8d411655892246843e17b3b
|
A379597
|
a(n) is the number of distinct solution sets to the quadratic equations u*x^2 + v*x + w = 0 with integer coefficients u, v, w, abs(u) + abs(v) + abs(w) <= n having a nonnegative discriminant.
|
[
"1",
"4",
"12",
"24",
"50",
"80",
"134",
"192",
"276",
"366",
"510",
"632",
"834",
"1018",
"1262",
"1502",
"1858",
"2136",
"2584",
"2956",
"3448",
"3910",
"4576",
"5076",
"5834",
"6488",
"7320",
"8066",
"9136",
"9892",
"11118",
"12114",
"13358",
"14482",
"15978",
"17108",
"18862",
"20272",
"22024",
"23532",
"25700",
"27216",
"29600",
"31486",
"33746"
] |
[
"nonn"
] | 20 | 1 | 2 |
[
"A067274",
"A091626",
"A091627",
"A364384",
"A364385",
"A365876",
"A365877",
"A379597",
"A381710",
"A381711"
] | null |
Felix Huber, Feb 18 2025
| 2025-03-12T04:16:16 |
oeisdata/seq/A379/A379597.seq
|
8afd7c03c5dcae96b8109d45322725ce
|
A379598
|
Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of B(x)^k, where B(x) is the g.f. of A110447.
|
[
"1",
"1",
"0",
"1",
"1",
"0",
"1",
"2",
"2",
"0",
"1",
"3",
"5",
"6",
"0",
"1",
"4",
"9",
"16",
"23",
"0",
"1",
"5",
"14",
"31",
"62",
"104",
"0",
"1",
"6",
"20",
"52",
"123",
"278",
"531",
"0",
"1",
"7",
"27",
"80",
"213",
"552",
"1398",
"2982",
"0",
"1",
"8",
"35",
"116",
"340",
"964",
"2750",
"7718",
"18109",
"0",
"1",
"9",
"44",
"161",
"513",
"1561",
"4784",
"14976",
"46083",
"117545",
"0"
] |
[
"nonn",
"tabl"
] | 19 | 0 | 8 |
[
"A000007",
"A030266",
"A110447",
"A379598",
"A379599",
"A380178"
] | null |
Seiichi Manyama, Feb 27 2025
| 2025-02-27T11:17:19 |
oeisdata/seq/A379/A379598.seq
|
4f7606e8280d59dff1b98d1a1fee60db
|
A379599
|
Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of B(x)^k, where B(x) is the g.f. of A088714.
|
[
"1",
"1",
"0",
"1",
"1",
"0",
"1",
"2",
"3",
"0",
"1",
"3",
"7",
"13",
"0",
"1",
"4",
"12",
"32",
"69",
"0",
"1",
"5",
"18",
"58",
"173",
"419",
"0",
"1",
"6",
"25",
"92",
"321",
"1054",
"2809",
"0",
"1",
"7",
"33",
"135",
"523",
"1971",
"7039",
"20353",
"0",
"1",
"8",
"42",
"188",
"790",
"3248",
"13158",
"50632",
"157199",
"0",
"1",
"9",
"52",
"252",
"1134",
"4976",
"21740",
"94194",
"387613",
"1281993",
"0"
] |
[
"nonn",
"tabl"
] | 18 | 0 | 8 |
[
"A000007",
"A088714",
"A379168",
"A379598",
"A379599"
] | null |
Seiichi Manyama, Feb 27 2025
| 2025-02-27T11:17:27 |
oeisdata/seq/A379/A379599.seq
|
5547a5ce4f955dba4c2aaaf8ec4e3136
|
A379600
|
a(n) is the semiperimeter of the primitive Pythagorean triangle (x(n), y(n), z(n)) with x(n) < y(n) < z(n) and x(n) > x(n-1), y(n) > y(n-1), z(n) > z(n-1), which has the smallest perimeter (if there are several triangles with smallest perimeter: the one of these with the smallest area), starting from a(1) = (3 + 4 + 5)/2 = 6.
|
[
"6",
"15",
"20",
"35",
"63",
"77",
"99",
"104",
"130",
"165",
"204",
"247",
"266",
"336",
"345",
"391",
"425",
"450",
"513",
"580",
"609",
"651",
"713",
"805",
"825",
"888",
"945",
"1036",
"1107",
"1204",
"1271",
"1376",
"1457",
"1530",
"1617",
"1645",
"1764",
"1887",
"1961",
"2014",
"2090",
"2280",
"2337",
"2419",
"2537",
"2562",
"2684",
"2772",
"2990",
"3149"
] |
[
"nonn"
] | 34 | 1 | 1 |
[
"A010814",
"A020886",
"A118858",
"A379600"
] | null |
Felix Huber, Feb 15 2025
| 2025-03-05T18:59:59 |
oeisdata/seq/A379/A379600.seq
|
a705d7598c707af2cb98c1dc54dc901c
|
A379601
|
Decimal expansion of (120e^6 - 600e^5 + 960e^4 - 540e^3 + 80e^2 - e) / 120.
|
[
"1",
"2",
"6",
"6",
"6",
"6",
"6",
"7",
"1",
"4",
"1",
"3",
"7",
"8",
"1",
"2",
"1",
"4",
"0",
"1",
"3",
"7",
"1",
"9",
"3",
"5",
"7",
"6",
"2",
"6",
"8",
"4",
"9",
"1",
"1",
"1",
"9",
"5",
"6",
"4",
"7",
"4",
"3",
"7",
"0",
"7",
"7",
"7",
"4",
"0",
"1",
"9",
"6",
"7",
"5",
"6",
"7",
"1",
"0",
"5",
"3",
"7",
"5",
"5",
"6",
"8",
"2",
"6",
"0",
"2",
"8",
"7",
"6",
"9",
"4",
"0",
"6",
"7",
"8",
"4",
"2",
"4",
"8",
"7",
"0",
"0",
"5",
"6",
"0",
"0",
"9",
"8",
"0",
"3",
"5",
"2",
"2",
"4",
"0",
"2",
"0",
"7",
"8",
"0",
"7",
"5",
"9",
"7",
"6",
"1",
"6"
] |
[
"nonn",
"cons",
"easy"
] | 33 | 2 | 2 |
[
"A001113",
"A089087",
"A089139",
"A090142",
"A090143",
"A090611",
"A379601",
"A381673"
] | null |
Daniel Mondot, Feb 27 2025
| 2025-03-23T08:40:06 |
oeisdata/seq/A379/A379601.seq
|
8e9619b50707d88ad5aac1a6e8fa9c2e
|
A379602
|
a(n) is the least n-digit number whose square contains only digits greater than 5.
|
[
"3",
"26",
"264",
"3114",
"25824",
"260167",
"2639867",
"25845676",
"260147437",
"2582245083",
"25843178924",
"258241744863",
"2582010592114",
"25825761924437",
"258218875510676",
"2581990857627114",
"25820083014911063",
"258199298347206526",
"2581988959445543367",
"25819892911624938937",
"258198891881411585714"
] |
[
"nonn",
"base"
] | 18 | 1 | 1 |
[
"A053972",
"A053974",
"A058471",
"A164772",
"A164773",
"A164778",
"A164841",
"A291631",
"A379602",
"A379603"
] | null |
Zhining Yang, Dec 27 2024
| 2025-01-11T19:14:43 |
oeisdata/seq/A379/A379602.seq
|
14ad68363470d7c4a1c6c0378111f2d9
|
A379603
|
a(n) is the largest n-digit number whose square contains only digits greater than 5.
|
[
"3",
"83",
"937",
"9833",
"98336",
"998333",
"9994833",
"99983333",
"999939437",
"9999833333",
"99998333336",
"999998333333",
"9999983333336",
"99999983333333",
"999999833333336",
"9999999833333333",
"99999998333333336",
"999999998333333333",
"9999999983333333336",
"99999999983333333333",
"999999999833333333336"
] |
[
"nonn",
"base"
] | 29 | 1 | 1 |
[
"A053972",
"A053974",
"A058471",
"A164772",
"A164773",
"A164778",
"A164841",
"A291631",
"A379602",
"A379603"
] | null |
Zhining Yang, Dec 27 2024
| 2025-01-11T19:18:37 |
oeisdata/seq/A379/A379603.seq
|
3c94b650227b0e2cb73aead50b48f162
|
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