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
A364501
a(n) = n / gcd(n, A005940(n)).
[ "1", "1", "1", "1", "1", "1", "7", "1", "9", "1", "11", "1", "13", "7", "5", "1", "17", "9", "19", "1", "3", "11", "23", "1", "25", "13", "9", "7", "29", "5", "31", "1", "33", "17", "35", "9", "37", "19", "13", "1", "41", "3", "43", "11", "9", "23", "47", "1", "49", "25", "17", "13", "53", "9", "11", "7", "57", "29", "59", "5", "61", "31", "7", "1", "65", "33", "67", "17", "69", "35", "71", "9", "73", "37", "5", "19", "7", "13", "79", "1", "81", "41", "83", "3", "17", "43", "29", "11", "89" ]
[ "nonn", "frac" ]
16
1
7
[ "A005940", "A364491", "A364500", "A364501", "A364502", "A364544" ]
null
Antti Karttunen, Jul 28 2023
2025-06-21T01:58:40
oeisdata/seq/A364/A364501.seq
84029ca4a5a59d8569d3e16fb5cd3586
A364502
a(n) = A005940(n) / gcd(n, A005940(n)).
[ "1", "1", "1", "1", "1", "1", "9", "1", "7", "1", "15", "1", "25", "9", "9", "1", "11", "7", "21", "1", "5", "15", "45", "1", "49", "25", "25", "9", "125", "9", "81", "1", "13", "11", "33", "7", "55", "21", "21", "1", "77", "5", "105", "15", "35", "45", "135", "1", "121", "49", "49", "25", "245", "25", "45", "9", "343", "125", "375", "9", "625", "81", "27", "1", "17", "13", "39", "11", "65", "33", "99", "7", "91", "55", "11", "21", "25", "21", "189", "1", "143", "77", "231", "5" ]
[ "nonn", "frac" ]
14
1
7
[ "A005940", "A364492", "A364500", "A364501", "A364502", "A364546" ]
null
Antti Karttunen, Jul 28 2023
2023-07-28T15:53:17
oeisdata/seq/A364/A364502.seq
cd703147e674f0b87260f4e35faf3dfa
A364503
Sprague-Grundy values for Heat-Charge Toggle on paths from A364489 where paths with an even number of vertices are odious, or paths with an odd number of vertices are evil.
[ "0", "2", "1", "3", "2", "2", "3", "4", "5", "3", "7", "3", "4", "4", "6", "5", "5", "6", "4", "7", "6", "3", "10", "4", "16", "18", "16", "32", "32", "32", "32", "32", "36", "32", "36", "32", "33", "36", "32", "33", "32", "32", "32", "35", "33", "34", "34", "36", "35", "33", "33", "32", "36", "32", "33", "32", "36", "34", "34", "37", "37", "34" ]
[ "nonn", "more" ]
11
1
2
[ "A000069", "A001969", "A363934", "A364489", "A364503" ]
null
Jean-Pierre Appel, Patrick G. Cesarz, Djeneba Diop, Eugene Fiorini, Nathan Hurtig, Andrew Woldar, Jul 26 2023
2023-09-03T11:17:39
oeisdata/seq/A364/A364503.seq
4acbb047d0c8b7034a5da2bf3a8a3281
A364504
Number of tilings of an n X n square using dominoes and trominoes (of any shape).
[ "1", "0", "2", "30", "1352", "226922", "128441094", "267855152858", "1990875917805852", "52918918728713551244", "5046393600526600826576990", "1722423352379200292770200349728", "2106175531602971710801901685263906946", "9224774497259881798661234516031754156588512", "144713995908210595144464778124853904625705818728754" ]
[ "nonn" ]
31
0
3
[ "A219874", "A219994", "A364457", "A364504" ]
null
Alois P. Heinz, Jul 26 2023
2025-04-14T15:05:20
oeisdata/seq/A364/A364504.seq
dac759111e64106774d73e7d15cdecc9
A364505
T(n, k) = number of k-dimensional faces in the BME polytope on n species, 0 <= k <= binomial(n, 2) - n.
[ "3", "3", "1", "15", "105", "250", "210", "52", "1", "105", "5460", "105945", "635265", "1715455", "2373345", "1742445", "640140", "90262", "1" ]
[ "nonn", "tabf", "more" ]
19
4
1
[ "A001147", "A364441", "A364505" ]
null
Harry Richman, Jul 26 2023
2023-07-29T02:59:38
oeisdata/seq/A364/A364505.seq
7e56a076da8d4feabfa17c5f62d2328e
A364506
Square array read by ascending antidiagonals: T(n,k) = (2*k)!/k! * ( (2*n*k)! * ((2*n+1)*k)! )/( (n*k)!^2 * ((n+1)*k)!^2 ).
[ "1", "1", "2", "1", "6", "6", "1", "40", "90", "20", "1", "350", "5880", "1680", "70", "1", "3528", "594594", "1101100", "34650", "252", "1", "38808", "75088728", "1299170600", "229265400", "756756", "924", "1", "453024", "10861066216", "2066315135040", "3164045050530", "50678855040", "17153136", "3432", "1", "5521230", "1721929279200", "3943172216808000" ]
[ "nonn", "tabl", "easy" ]
21
0
3
[ "A000984", "A006480", "A364303", "A364506", "A364507", "A364508", "A364509", "A365025" ]
null
Peter Bala, Jul 27 2023
2023-08-24T07:48:50
oeisdata/seq/A364/A364506.seq
cbaf41499cba643e01629f917d1c0736
A364507
a(n) = (5*n)!*(4*n)! / ((3*n)!^2 * (2*n)! * n!).
[ "1", "40", "5880", "1101100", "229265400", "50678855040", "11641642112100", "2746924727976000", "661097260785195000", "161538994454795003200", "39949572934939198410880", "9976687616280042928424700", "2511716999955421326631644900", "636662322699394050738883008000" ]
[ "nonn", "easy" ]
25
0
2
[ "A001450", "A005810", "A006480", "A364506", "A364507", "A364508" ]
null
Peter Bala, Jul 27 2023
2023-10-07T06:58:36
oeisdata/seq/A364/A364507.seq
fb2035ab5b276b4f498d76966f883169
A364508
a(n) = (7*n)!*(6*n)!*(2*n)! / ((4*n)!^2 * (3*n)!^2 * n!).
[ "1", "350", "594594", "1299170600", "3164045050530", "8188909171581600", "22035578229399735000", "60924423899585957558848", "171839010049825493742617250", "492149504510899056782561257748", "1426695143534668869395862598229344", "4176678405144148418744441910948978000" ]
[ "nonn", "easy" ]
18
0
2
[ "A006480", "A364506", "A364507", "A364508" ]
null
Peter Bala, Jul 27 2023
2024-10-13T07:07:47
oeisdata/seq/A364/A364508.seq
e7d8d631a5165d3d10faeb755a2557ad
A364509
Square array read by ascending antidiagonals: T(n,k) = (2*k)!/k!^2 * ( (2*n*k)! * ((n + 2)*k)! )/( (n*k)! * ((n + 1)*k)!^2 ) for n, k > = 0.
[ "1", "1", "4", "1", "6", "36", "1", "16", "90", "400", "1", "50", "784", "1680", "4900", "1", "168", "8910", "48400", "34650", "63504", "1", "588", "113256", "2011100", "3312400", "756756", "853776", "1", "2112", "1528436", "96993024", "503909070", "240374016", "17153136", "11778624", "1", "7722", "21395520", "5056527000", "92279796840", "133954543800", "18116083216" ]
[ "nonn", "tabl", "easy" ]
30
0
3
[ "A002894", "A006480", "A364303", "A364506", "A364509", "A364510", "A364511" ]
null
Peter Bala, Jul 28 2023
2024-10-13T07:07:39
oeisdata/seq/A364/A364509.seq
44f085c0520b5f9858b34ee366772b5b
A364510
a(n) = binomial(4*n, n)^2.
[ "1", "16", "784", "48400", "3312400", "240374016", "18116083216", "1401950721600", "110634634890000", "8862957169158400", "718528370729238784", "58818762721626513424", "4853704694918904043024", "403242220875862752160000", "33694913171561404510440000", "2829611125043050701300998400" ]
[ "nonn", "easy" ]
18
0
2
[ "A002894", "A005810", "A364506", "A364509", "A364510", "A364511", "A364512" ]
null
Peter Bala, Jul 28 2023
2023-10-06T10:41:34
oeisdata/seq/A364/A364510.seq
148ae910c05483ece6780a369837a732
A364511
a(n) = (6*n)!*(5*n)!*(2*n)! / ((4*n)!^2 * (3*n)! * n!^2).
[ "1", "50", "8910", "2011100", "503909070", "133954543800", "36992598142500", "10491379251679040", "3034472729231379150", "891028813210575018980", "264787855164104281785160", "79455812929030151249454000", "24035311050907120054564683300", "7320107028326385998504601648000" ]
[ "nonn", "easy" ]
30
0
2
[ "A006480", "A364509", "A364510", "A364511", "A364512" ]
null
Peter Bala, Jul 28 2023
2024-10-13T07:07:43
oeisdata/seq/A364/A364511.seq
b42006f694713b14271645aaf6c2c21e
A364512
a(n) = (6*n)!^2/((5*n)! * (3*n)!^2 * n!).
[ "1", "120", "60984", "39673920", "28734361656", "22105177305120", "17676475936257600", "14521297485225136320", "12168600808728479801400", "10353699767677668805341120", "8916443122582617618026013984", "7754263877699070505609688536320", "6798445963232542402250454047721024" ]
[ "nonn", "easy" ]
19
0
2
[ "A006480", "A364507", "A364508", "A364510", "A364511", "A364512" ]
null
Peter Bala, Jul 29 2023
2024-10-13T07:08:59
oeisdata/seq/A364/A364512.seq
ae5961a89057240f0f4a34187c3a8014
A364513
Square array read by ascending antidiagonals: T(n,k) = [x^k] (1 - x)^(2*k) * Legendre_P(n*k-1, (1 + x)/(1 - x)) for n, k >= 0.
[ "1", "1", "-2", "1", "-2", "6", "1", "0", "0", "-20", "1", "4", "0", "16", "70", "1", "10", "126", "0", "0", "-252", "1", "18", "594", "4900", "0", "-252", "924", "1", "28", "1716", "44200", "209950", "0", "0", "-3432", "1", "40", "3900", "205920", "3640210", "9513504", "0", "4800", "12870", "1", "54", "7650", "685216", "27386100", "317678760", "447103440", "0", "0", "-48620", "1", "70", "13566", "1847560", "133501500", "3861534768", "28782923400", "21558808128", "0", "-100100", "184756" ]
[ "sign", "tabl", "easy" ]
13
0
3
[ "A000984", "A276098", "A295431", "A352651", "A352652", "A364303", "A364506", "A364509", "A364513", "A364514", "A364515", "A364516", "A364517" ]
null
Peter Bala, Jul 31 2023
2023-08-06T16:47:30
oeisdata/seq/A364/A364513.seq
5b098f9486961a42deec2985d1d97498
A364514
a(0) = 1 and a(n) = [x^n] (1 - x)^(2*n) * Legendre_P(n-1, (1 + x)/(1 - x)) for n >= 1.
[ "1", "-2", "0", "16", "0", "-252", "0", "4800", "0", "-100100", "0", "2201472", "0", "-50139936", "0", "1170614016", "0", "-27839740500", "0", "671626956000", "0", "-16388657193480", "0", "403645030064640", "0", "-10018806017062752", "0", "250305475771456000", "0", "-6288594802355952000", "0", "158759294846918261760" ]
[ "sign", "easy" ]
17
0
2
[ "A364513", "A364514" ]
null
Peter Bala, Aug 02 2023
2023-10-05T15:20:27
oeisdata/seq/A364/A364514.seq
db126d36cc1a783104611b8ba9b51464
A364515
a(n) = (1/2) * (6*n)!*(2*n)!^2/((3*n)!*(4*n)!*n!^3) for n >= 1 with a(0) = 1.
[ "1", "10", "594", "44200", "3640210", "317678760", "28782923400", "2677247862432", "253909524661650", "24443479528347880", "2381221777637046344", "234220654553738055840", "23223217841360039079304", "2318164676869886054980000", "232736024465276636260692000", "23482287467017571303962819200" ]
[ "nonn", "easy" ]
15
0
2
[ "A364513", "A364515" ]
null
Peter Bala, Aug 01 2023
2023-10-05T15:20:38
oeisdata/seq/A364/A364515.seq
e6cbf7bcfb249727bbdf230bbba70605
A364516
a(n) = (2/3) * (8*n)!*(3*n)!^2/((6*n)!*(4*n)!*(2*n)!*n!^2) for n >= 1, with a(0) = 1.
[ "1", "28", "3900", "685216", "133501500", "27583083528", "5919115212192", "1304298034300800", "293086491979934268", "66857471357130883000", "15434267149448839091400", "3597756971630997935635200", "845406187463509505329860000", "200002748013094535687584437696" ]
[ "nonn", "easy" ]
14
0
2
[ "A364513", "A364516" ]
null
Peter Bala, Aug 02 2023
2023-10-05T08:37:56
oeisdata/seq/A364/A364516.seq
df6a7978f7325299bb74a18e8ecdf6ea
A364517
a(n) = (5/7) * (9*n)!*(7*n/2)!^2/((9*n/2)!*(7*n)!*(5*n/2)!*n!^2) for n >= 1, with a(0) = 1.
[ "1", "40", "7650", "1847560", "494944450", "140625140040", "41500392000480", "12576565436409000", "3886690320522202050", "1219380045859742166400", "387154587452271772676400", "124120231850529022319265600", "40113527971798583517288018400", "13052024252899352166622940568000" ]
[ "nonn", "easy" ]
20
0
2
[ "A364513", "A364517" ]
null
Peter Bala, Aug 03 2023
2023-10-05T08:37:26
oeisdata/seq/A364/A364517.seq
1488806151ab73a39fa686e857f04895
A364518
Square array read by ascending antidiagonals: T(n,k) = [x^(2*k)] ( (1 + x)^(n+2)/(1 - x)^(n-2) )^k for n, k >= 0.
[ "1", "1", "-2", "1", "0", "6", "1", "6", "-10", "-20", "1", "16", "70", "0", "70", "1", "30", "630", "924", "198", "-252", "1", "48", "2310", "28672", "12870", "0", "924", "1", "70", "6006", "204204", "1385670", "184756", "-4420", "-3432", "1", "96", "12870", "860160", "19122246", "69206016", "2704156", "0", "12870", "1", "126", "24310", "2704156", "130378950", "1848483780", "3528923580", "40116600", "104006", "-48620" ]
[ "tabl", "sign", "easy" ]
23
0
3
[ "A000984", "A001448", "A061162", "A091496", "A211419", "A276098", "A276099", "A330843", "A364303", "A364506", "A364509", "A364513", "A364518", "A364519" ]
null
Peter Bala, Aug 07 2023
2024-07-09T02:21:46
oeisdata/seq/A364/A364518.seq
a4047f4f405ff04716f9b4d2f29960a3
A364519
Square array read by ascending antidiagonals: T(n,k) = [x^(3*k)] ( (1 + x)^(n+3)/(1 - x)^(n-3) )^k for n, k >= 0.
[ "1", "1", "0", "1", "-4", "-20", "1", "0", "28", "0", "1", "20", "-84", "-220", "924", "1", "64", "924", "0", "1820", "0", "1", "140", "12012", "48620", "16796", "-15504", "-48620", "1", "256", "60060", "2621440", "2704156", "0", "134596", "0", "1", "420", "204204", "29745716", "608435100", "155117520", "-3801900", "-1184040", "2704156", "1", "640", "554268", "187432960", "15628090140", "146028888064", "9075135300", "0", "10518300", "0" ]
[ "tabl", "sign", "easy" ]
19
0
5
[ "A005810", "A066802", "A211420", "A330843", "A364303", "A364518", "A364519", "A364520" ]
null
Peter Bala, Aug 07 2023
2023-08-14T14:25:24
oeisdata/seq/A364/A364519.seq
92d0b5bd05696af1b88d62e5dda3dbe8
A364520
a(n) = (7*n)!*(n/2)!/((7*n/2)!*(n)!*(3*n)!).
[ "1", "64", "12012", "2621440", "608435100", "146028888064", "35794148650260", "8901646138474496", "2237242000722428700", "566823049100850626560", "144520856111821003326512", "37036782455383679028953088", "9531607276865293630675462980", "2461693334077582876433071472640" ]
[ "nonn", "easy" ]
19
0
2
[ "A276098", "A364519", "A364520" ]
null
Peter Bala, Aug 09 2023
2023-10-05T08:37:22
oeisdata/seq/A364/A364520.seq
a706dac8ec5c679e7227112b0c987525
A364521
Decimal expansion of the solution to Ei(x) = x.
[ "5", "2", "7", "6", "1", "2", "3", "4", "7", "2", "0", "1", "7", "4", "2", "0", "6", "0", "5", "1", "6", "9", "1", "5", "8", "5", "1", "3", "8", "0", "5", "1", "8", "7", "2", "1", "6", "9", "1", "6", "4", "1", "7", "6", "4", "1", "6", "1", "5", "2", "5", "4", "7", "3", "1", "6", "8", "8", "7", "3", "3", "2", "9", "0", "3", "3", "1", "0", "1", "3", "4", "2", "7", "7", "7", "4", "6", "6", "7", "5", "2", "4", "5", "7", "8", "0", "5", "2", "5", "8", "4", "7", "5", "0", "7", "8", "6", "1", "4", "4", "7" ]
[ "nonn", "cons" ]
11
0
1
[ "A091723", "A091725", "A099285", "A364521" ]
null
Michal Paulovic, Aug 15 2023
2025-02-16T08:34:06
oeisdata/seq/A364/A364521.seq
678da918595d99e91ce4094e80de41c0
A364522
G.f. satisfies A(x) = 1 + x*A(x) + x^5*A(x)^5.
[ "1", "1", "1", "1", "1", "2", "7", "22", "57", "127", "258", "518", "1123", "2718", "7008", "18054", "44969", "108189", "255919", "609179", "1482210", "3689155", "9294440", "23419705", "58639835", "145948111", "362721386", "904673836", "2270287636", "5729191861", "14502873988", "36735974548", "93001413353", "235372519273" ]
[ "nonn" ]
25
0
6
[ "A001006", "A071879", "A127902", "A182454", "A349311", "A364522", "A364523" ]
null
Seiichi Manyama, Jul 27 2023
2024-07-12T09:52:08
oeisdata/seq/A364/A364522.seq
1ab78ce6ec4e197766cd0c02278196c4
A364523
G.f. satisfies A(x) = 1 + x*A(x) + x^6*A(x)^6.
[ "1", "1", "1", "1", "1", "1", "2", "8", "29", "85", "211", "463", "931", "1795", "3550", "7736", "18929", "49505", "130000", "330430", "804271", "1885675", "4327555", "9929515", "23224435", "55907251", "138016906", "345107296", "862546231", "2136402451", "5231163232", "12697101118", "30723857209", "74569942745" ]
[ "nonn" ]
26
0
7
[ "A001006", "A071879", "A127902", "A349312", "A364472", "A364522", "A364523" ]
null
Seiichi Manyama, Jul 27 2023
2024-07-12T09:52:03
oeisdata/seq/A364/A364523.seq
6a08aa12887d809f8f2128c2573d442c
A364524
Expansion of e.g.f. (1-x)^3/(1-3x+2x^2-x^3).
[ "1", "0", "2", "18", "168", "1920", "26640", "433440", "8064000", "168739200", "3922732800", "100310918400", "2798327347200", "84569169484800", "2752393009766400", "95978067913728000", "3569951024640000000", "141085196791418880000", "5903699220162551808000", "260764276201191899136000", "12124067910801279713280000" ]
[ "nonn" ]
13
0
3
[ "A001804", "A002866", "A364524" ]
null
Enrique Navarrete, Jul 27 2023
2023-09-01T04:40:08
oeisdata/seq/A364/A364524.seq
709aa1a8f328b18541bb6f918bbf84cd
A364525
a(n) is the number of distinct ways to partition the set {1,2,...,n} into nonempty subsets such that the sum of the pi(x)*(pi(x) + 1)/2 values of each subset's size x equals n, where pi() is the prime counting function given by A000720.
[ "0", "0", "1", "1", "2", "5", "9", "18", "36", "73", "145", "290", "580", "1159", "2319", "4637", "9273", "18544", "37083", "74157", "148330", "296658", "593311", "1186613", "2373208", "4746380", "9492687", "18985447", "37970821", "75941497", "151882704", "303764828", "607528497", "1215054675", "2430104713", "4860217541" ]
[ "nonn" ]
35
1
5
[ "A000720", "A166444", "A364525", "A365062" ]
null
Robert P. P. McKone, Dec 22 2023
2024-01-22T06:26:42
oeisdata/seq/A364/A364525.seq
7e8e887e3db6fd7f9816fea911a20cb7
A364526
Number of compositions (ordered partitions) of n into parts not greater than sqrt(n).
[ "1", "1", "1", "1", "5", "8", "13", "21", "34", "149", "274", "504", "927", "1705", "3136", "5768", "20569", "39648", "76424", "147312", "283953", "547337", "1055026", "2033628", "3919944", "11749641", "23099186", "45411804", "89277256", "175514464", "345052351", "678355061", "1333610936", "2621810068", "5154342880", "10133171296" ]
[ "nonn" ]
28
0
5
[ "A011782", "A097356", "A364526" ]
null
Ilya Gutkovskiy, Dec 22 2023
2023-12-22T10:33:43
oeisdata/seq/A364/A364526.seq
f673ef02db652fbd44675aa3ad0f7ad3
A364527
Triangle read by rows giving the number of square arrays composed of the numbers from 1 to n^2, counted up to rotation and reflection, with heterogeneity k, i.e., number of k different sums of rows, columns or diagonals with 1 <= k <= 2*n+2 for n > 1.
[ "1", "0", "0", "0", "0", "3", "0", "1", "22", "346", "2060", "7989", "17160", "14662", "3120", "880" ]
[ "nonn", "more", "tabf" ]
10
1
6
[ "A006003", "A006052", "A050257", "A086829", "A088020", "A364527" ]
null
Martin Renner, Jul 27 2023
2023-08-02T14:10:14
oeisdata/seq/A364/A364527.seq
d7a42d76792dedeab53ece8b113f214d
A364528
Number of 1's required to build -n using +, -, *, and parentheses.
[ "3", "4", "5", "6", "6", "7", "7", "7", "8", "8", "8", "9", "9", "9", "9", "9", "9", "10", "10", "10", "10", "10", "10", "10", "11", "10", "11", "11", "11", "11", "11", "11", "11", "11", "11", "12", "12", "12", "12", "12", "12", "12", "13", "12", "12", "12", "12", "12", "13", "13", "12", "12", "12", "13", "13", "13", "13", "13", "13", "13", "14", "13", "13", "13", "14", "13", "14", "13", "13" ]
[ "nonn" ]
7
1
1
[ "A091333", "A364528" ]
null
Pontus von Brömssen, Jul 27 2023
2023-07-29T05:07:17
oeisdata/seq/A364/A364528.seq
666a14d74adb77938e96d4958cc08843
A364529
Number of compositions of 2n into n parts where differences between neighboring parts are in {-1,1}.
[ "1", "1", "0", "2", "4", "2", "0", "6", "14", "8", "0", "25", "60", "35", "0", "114", "270", "157", "0", "528", "1242", "722", "0", "2481", "5826", "3390", "0", "11816", "27728", "16145", "0", "56841", "133316", "77660", "0", "275485", "645878", "376382", "0", "1343083", "3148000", "1835076", "0", "6579707", "15418652", "8990528", "0", "32363357", "75826214" ]
[ "nonn" ]
14
0
4
[ "A016825", "A173258", "A309938", "A364529" ]
null
Alois P. Heinz, Jul 27 2023
2023-10-27T08:11:52
oeisdata/seq/A364/A364529.seq
765b8c2f462f9188da4aeab6c1adefb0
A364530
a(n) is the least positive k such that for each of the first 2*n primes p, at least one of the n consecutive integers k to k + n - 1 is divisible by p.
[ "6", "14", "154", "1273", "986", "60605", "138411", "587074", "11682411", "53882397", "1419040497", "10970441168", "162901726271", "162901726270", "14028069972496", "418009365630087", "29188950975317201", "386792219894091763", "3445270276615037892" ]
[ "nonn", "more" ]
26
1
1
null
null
Robert Israel, Jul 27 2023
2023-08-21T22:40:38
oeisdata/seq/A364/A364530.seq
35f8d8e4756625f036cec56d56e27476
A364531
Positive integers with no prime index equal to the sum of prime indices of any nonprime divisor.
[ "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "25", "26", "27", "28", "29", "31", "32", "33", "34", "35", "37", "38", "39", "41", "42", "43", "44", "45", "46", "47", "49", "50", "51", "52", "53", "54", "55", "56", "57", "58", "59", "61", "62", "64", "65", "66", "67", "68", "69", "71", "73", "74", "75", "76", "77" ]
[ "nonn" ]
7
1
2
[ "A000005", "A002865", "A033273", "A055212", "A108917", "A236912", "A237113", "A237667", "A237668", "A299701", "A299702", "A299729", "A320340", "A326083", "A363225", "A363260", "A364347", "A364349", "A364461", "A364462", "A364467", "A364531", "A364532" ]
null
Gus Wiseman, Aug 01 2023
2023-08-03T09:04:19
oeisdata/seq/A364/A364531.seq
5e06d5b7fd9a55a2dcb9f06319677116
A364532
Positive integers with a prime index equal to the sum of prime indices of some nonprime divisor. Heinz numbers of a variation of sum-full partitions.
[ "12", "24", "30", "36", "40", "48", "60", "63", "70", "72", "80", "84", "90", "96", "108", "112", "120", "126", "132", "140", "144", "150", "154", "156", "160", "165", "168", "180", "189", "192", "198", "200", "204", "210", "216", "220", "224", "228", "240", "252", "264", "270", "273", "276", "280", "286", "288", "300", "308", "312", "315", "320", "324", "325", "330" ]
[ "nonn" ]
10
1
1
[ "A000005", "A001222", "A033273", "A055212", "A056239", "A085489", "A088809", "A093971", "A108917", "A112798", "A151897", "A236912", "A237113", "A237667", "A237668", "A275972", "A299701", "A299702", "A299729", "A301900", "A325864", "A326083", "A363225", "A364272", "A364345", "A364347", "A364348", "A364349", "A364350", "A364461", "A364462", "A364531", "A364532", "A364534" ]
null
Gus Wiseman, Aug 01 2023
2023-08-03T09:04:25
oeisdata/seq/A364/A364532.seq
859045fc743dcc4c5eed365f77968dd7
A364533
Number of strict integer partitions of n containing the sum of no pair of distinct parts. A variation of sum-free strict partitions.
[ "1", "1", "1", "2", "2", "3", "3", "5", "5", "8", "7", "11", "11", "15", "15", "21", "22", "28", "32", "38", "40", "51", "55", "65", "74", "83", "94", "111", "119", "136", "160", "174", "196", "222", "252", "273", "315", "341", "391", "425", "477", "518", "602", "636", "719", "782", "886", "944", "1073", "1140", "1302", "1380", "1553", "1651", "1888", "1995", "2224", "2370" ]
[ "nonn" ]
7
0
4
[ "A000009", "A000041", "A007865", "A008284", "A008289", "A025065", "A085489", "A088809", "A108917", "A151897", "A236912", "A237113", "A237667", "A237668", "A240861", "A275972", "A320340", "A323092", "A325862", "A326083", "A363226", "A364272", "A364345", "A364346", "A364347", "A364349", "A364350", "A364461", "A364533", "A364534", "A364670" ]
null
Gus Wiseman, Aug 02 2023
2023-08-03T09:04:30
oeisdata/seq/A364/A364533.seq
6cbbe7e38bedd40d54b40345f6773202
A364534
Number of subsets of {1..n} containing some element equal to the sum of two or more distinct other elements. A variation of sum-full subsets without re-used elements.
[ "0", "0", "0", "1", "3", "10", "27", "68", "156", "357", "775", "1667", "3505", "7303", "15019", "30759", "62489", "126619", "255542", "514721", "1034425", "2076924", "4164650", "8346306", "16715847", "33467324", "66982798", "134040148", "268179417", "536510608", "1073226084", "2146759579", "4293930436", "8588485846", "17177799658" ]
[ "nonn" ]
14
0
5
[ "A007865", "A085489", "A088809", "A093971", "A108917", "A151897", "A236912", "A237113", "A237667", "A237668", "A275972", "A323092", "A325862", "A326083", "A363225", "A364272", "A364345", "A364346", "A364348", "A364349", "A364350", "A364531", "A364532", "A364533", "A364534", "A364670" ]
null
Gus Wiseman, Aug 02 2023
2024-01-27T19:19:17
oeisdata/seq/A364/A364534.seq
3fd9261986e6040f1387a1c245707801
A364535
a(n) is the number of subsets of the first n primes whose sum is not a prime.
[ "1", "1", "1", "3", "9", "20", "44", "93", "191", "390", "787", "1600", "3250", "6563", "13227", "26609", "53484", "107588", "216413", "434894", "872834", "1750938", "3512454", "7043770", "14119562", "28300792", "56733873", "113746102", "228033527", "456999525", "915558925", "1834081043", "3674191081", "7361544506", "14749015536", "29545860199", "59169406092" ]
[ "nonn" ]
51
0
4
[ "A000040", "A000295", "A071810", "A262765", "A364535" ]
null
Darío Clavijo, Oct 20 2023
2023-10-27T14:45:38
oeisdata/seq/A364/A364535.seq
7005c1ec378979b55d870092890b67ac
A364536
Number of strict integer partitions of n where some part is a difference of two consecutive parts.
[ "0", "0", "0", "1", "0", "0", "2", "1", "2", "2", "5", "4", "6", "6", "9", "11", "16", "17", "23", "25", "30", "38", "48", "55", "65", "78", "92", "106", "127", "146", "176", "205", "230", "277", "315", "366", "421", "483", "552", "640", "727", "829", "950", "1083", "1218", "1408", "1577", "1794", "2017", "2298", "2561", "2919", "3255", "3685", "4116", "4638", "5163" ]
[ "nonn" ]
9
0
7
[ "A000009", "A000041", "A002865", "A008284", "A008289", "A025065", "A093971", "A108917", "A120641", "A229816", "A236912", "A237113", "A237667", "A320347", "A323092", "A325325", "A326083", "A363225", "A363226", "A363260", "A364345", "A364346", "A364347", "A364463", "A364464", "A364466", "A364467", "A364536", "A364537" ]
null
Gus Wiseman, Jul 31 2023
2023-09-26T13:39:09
oeisdata/seq/A364/A364536.seq
bb0f2fb422d2b85bbf76b1c7a5e1b004
A364537
Heinz numbers of integer partitions where some part is the difference of two consecutive parts.
[ "6", "12", "18", "21", "24", "30", "36", "42", "48", "54", "60", "63", "65", "66", "70", "72", "78", "84", "90", "96", "102", "108", "114", "120", "126", "130", "132", "133", "138", "140", "144", "147", "150", "154", "156", "162", "165", "168", "174", "180", "186", "189", "192", "195", "198", "204", "210", "216", "222", "228", "231", "234", "240", "246", "252", "258" ]
[ "nonn" ]
5
1
1
[ "A002865", "A025065", "A050291", "A088808", "A093971", "A108917", "A196723", "A229816", "A236912", "A237113", "A237667", "A320340", "A320347", "A323092", "A325325", "A326083", "A363225", "A363260", "A364345", "A364347", "A364348", "A364463", "A364464", "A364466", "A364467", "A364536", "A364537" ]
null
Gus Wiseman, Aug 02 2023
2023-08-03T09:04:40
oeisdata/seq/A364/A364537.seq
3217593b9a8e530801d0512a5c863fee
A364538
A 12 X 12 magic square composed of 1 and the first consecutive odd primes with the smallest possible magic sum, read by rows.
[ "1", "823", "821", "809", "811", "797", "19", "29", "313", "31", "23", "37", "89", "83", "211", "79", "641", "631", "619", "709", "617", "53", "43", "739", "97", "227", "103", "107", "193", "557", "719", "727", "607", "139", "757", "281", "223", "653", "499", "197", "109", "113", "563", "479", "173", "761", "587", "157", "367", "379", "521", "383", "241", "467", "257", "263", "269", "167", "601", "599" ]
[ "nonn", "tabf", "fini", "full" ]
16
1
2
[ "A073502", "A173079", "A364538" ]
null
Paolo Xausa, Jul 28 2023
2023-08-02T15:48:13
oeisdata/seq/A364/A364538.seq
d2d638296ec04795a456a5a27cfc65b9
A364539
G.f. satisfies A(x) = 1 + x*A(x) + x^3*A(x)^5.
[ "1", "1", "1", "2", "7", "22", "62", "182", "583", "1928", "6358", "21063", "70888", "241889", "831634", "2874584", "9995579", "34966279", "122938956", "434062141", "1538378816", "5471697241", "19525345791", "69880082323", "250767909528", "902123110483", "3252793321513", "11753570922933", "42553831219830" ]
[ "nonn", "easy" ]
8
0
4
[ "A023431", "A063019", "A071879", "A182454", "A215340", "A349311", "A364522", "A364539" ]
null
Seiichi Manyama, Jul 28 2023
2023-07-28T10:36:22
oeisdata/seq/A364/A364539.seq
24692b0ecdc532b25cd19c7d4dadd432
A364540
Numbers k for which A005940(k) < k.
[ "9", "17", "18", "33", "34", "35", "36", "65", "66", "67", "68", "69", "70", "72", "129", "130", "131", "132", "133", "134", "135", "136", "137", "138", "140", "144", "257", "258", "259", "260", "261", "262", "263", "264", "265", "266", "267", "268", "270", "272", "273", "274", "276", "280", "288", "289", "385", "513", "514", "515", "516", "517", "518", "519", "520", "521", "522", "523", "524", "525", "526", "527", "528", "529", "530", "531" ]
[ "nonn" ]
8
1
1
[ "A005940", "A356450", "A364499", "A364540", "A364541", "A364542" ]
null
Antti Karttunen, Jul 28 2023
2023-07-28T10:34:01
oeisdata/seq/A364/A364540.seq
2a1ed1d9591eaca3ac2bac5c3ec27711
A364541
Numbers k for which A005940(k) <= k.
[ "1", "2", "3", "4", "5", "6", "8", "9", "10", "12", "16", "17", "18", "20", "24", "32", "33", "34", "35", "36", "40", "48", "64", "65", "66", "67", "68", "69", "70", "72", "80", "96", "128", "129", "130", "131", "132", "133", "134", "135", "136", "137", "138", "140", "144", "160", "192", "256", "257", "258", "259", "260", "261", "262", "263", "264", "265", "266", "267", "268", "270", "272", "273", "274", "276", "280", "288", "289", "320", "384", "385", "512" ]
[ "nonn" ]
7
1
2
[ "A005940", "A029747", "A364499", "A364540", "A364541", "A364542" ]
null
Antti Karttunen, Jul 28 2023
2023-07-28T10:35:02
oeisdata/seq/A364/A364541.seq
6b9c2320b0539973014f61e37f983e4b
A364542
Numbers k for which A005940(k) >= k.
[ "1", "2", "3", "4", "5", "6", "7", "8", "10", "11", "12", "13", "14", "15", "16", "19", "20", "21", "22", "23", "24", "25", "26", "27", "28", "29", "30", "31", "32", "37", "38", "39", "40", "41", "42", "43", "44", "45", "46", "47", "48", "49", "50", "51", "52", "53", "54", "55", "56", "57", "58", "59", "60", "61", "62", "63", "64", "71", "73", "74", "75", "76", "77", "78", "79", "80", "81", "82", "83", "84", "85", "86", "87", "88", "89", "90", "91", "92", "93", "94", "95" ]
[ "nonn" ]
13
1
2
[ "A005940", "A005941", "A029747", "A343107", "A364499", "A364540", "A364542", "A364560" ]
null
Antti Karttunen, Jul 28 2023
2023-07-29T15:59:14
oeisdata/seq/A364/A364542.seq
2f380dc39e7fc11f3640d7ac4bfba787
A364543
Odd numbers k for which A005940(k) <= k.
[ "1", "3", "5", "9", "17", "33", "35", "65", "67", "69", "129", "131", "133", "135", "137", "257", "259", "261", "263", "265", "267", "273", "289", "385", "513", "515", "517", "519", "521", "523", "525", "527", "529", "531", "545", "577", "641", "769", "1025", "1027", "1029", "1031", "1033", "1035", "1037", "1039", "1041", "1043", "1045", "1047", "1057", "1059", "1089", "1091", "1153", "1281", "1537", "2049", "2051", "2053", "2055" ]
[ "nonn" ]
12
1
2
[ "A005940", "A364293", "A364499", "A364541", "A364543", "A364547", "A364563", "A364573" ]
null
Antti Karttunen, Aug 06 2023
2023-08-07T14:55:04
oeisdata/seq/A364/A364543.seq
3896862c9d692330af9f81c2969ffaaa
A364544
Numbers k such that k divides A005940(k).
[ "1", "2", "3", "4", "5", "6", "8", "10", "12", "16", "20", "24", "32", "40", "48", "64", "80", "96", "125", "128", "160", "192", "245", "250", "256", "320", "375", "384", "490", "500", "512", "640", "715", "750", "768", "845", "847", "980", "1000", "1024", "1215", "1280", "1430", "1500", "1536", "1690", "1694", "1960", "2000", "2048", "2430", "2560", "2860", "2873", "3000", "3072", "3380", "3388", "3920", "4000", "4096", "4860", "5120" ]
[ "nonn" ]
9
1
2
[ "A005940", "A029747", "A364494", "A364501", "A364542", "A364544", "A364545", "A364546" ]
null
Antti Karttunen, Jul 28 2023
2023-07-28T15:54:32
oeisdata/seq/A364/A364544.seq
c0da8971bc7ea0c926907999e4f2873b
A364545
Odd numbers k such that k divides A005940(k).
[ "1", "3", "5", "125", "245", "375", "715", "845", "847", "1215", "2873", "11583", "12635", "21879", "24255", "31213", "33495", "36125", "42875", "48125", "48841", "71269", "100793", "102245", "104907", "157035", "173641", "191607", "206045", "240787", "244205", "251459", "302575", "313937", "351509", "359513", "375687", "384475", "388531", "417605", "419957", "444889", "468999", "521703", "586177", "635375" ]
[ "nonn" ]
6
1
2
[ "A005940", "A364495", "A364501", "A364544", "A364545", "A364547" ]
null
Antti Karttunen, Jul 28 2023
2023-07-28T16:03:16
oeisdata/seq/A364/A364545.seq
4025d0b30b59975f6d6234af3bdc6f42
A364546
Numbers k such that k is a multiple of A005940(k).
[ "1", "2", "3", "4", "5", "6", "8", "10", "12", "16", "20", "24", "32", "40", "48", "64", "80", "96", "128", "160", "192", "256", "320", "384", "512", "640", "768", "1024", "1035", "1280", "1536", "2048", "2070", "2560", "3072", "4096", "4140", "5120", "6144", "8192", "8280", "10240", "12288", "16384", "16560", "20480", "24576", "32768", "33120", "40960", "49152", "65536", "66240", "81920", "98304", "131072", "132480", "163840" ]
[ "nonn" ]
9
1
2
[ "A005940", "A029747", "A364496", "A364502", "A364541", "A364544", "A364546", "A364547", "A364548" ]
null
Antti Karttunen, Jul 28 2023
2023-07-28T16:05:42
oeisdata/seq/A364/A364546.seq
58db49f51c97571631dc6d5001f60078
A364547
Odd numbers k such that k is a multiple of A005940(k).
[ "1", "3", "5", "1035", "524295", "16777217" ]
[ "nonn", "more" ]
21
1
2
[ "A000040", "A000051", "A005940", "A005941", "A364502", "A364545", "A364546", "A364547", "A364549", "A364551", "A364963" ]
null
Antti Karttunen, Jul 28 2023
2024-01-12T11:56:19
oeisdata/seq/A364/A364547.seq
312e353c7d1d12055cc3a6f0ba33107a
A364548
Numbers k such that k divides A005941(k).
[ "1", "2", "3", "4", "5", "6", "8", "10", "12", "16", "20", "24", "32", "40", "48", "64", "80", "96", "97", "128", "160", "192", "194", "256", "320", "345", "384", "388", "512", "549", "640", "690", "768", "776", "1024", "1093", "1098", "1280", "1380", "1536", "1552", "2048", "2186", "2196", "2560", "2760", "3072", "3104", "4096", "4372", "4392", "5120", "5520", "6144", "6208", "8192", "8744", "8784", "10240", "11040", "12288", "12416", "16384" ]
[ "nonn" ]
5
1
2
[ "A005940", "A005941", "A029747", "A156552", "A364497", "A364546", "A364548", "A364549" ]
null
Antti Karttunen, Jul 28 2023
2023-07-28T16:35:40
oeisdata/seq/A364/A364548.seq
92f21aa4cc1971e28d3e6737607c8980
A364549
Odd numbers k that divide A005941(k).
[ "1", "3", "5", "97", "345", "549", "1093", "64621", "671515", "3280317", "8957089" ]
[ "nonn", "more" ]
17
1
2
[ "A000720", "A005940", "A005941", "A156552", "A364498", "A364547", "A364548", "A364549", "A364551" ]
null
Antti Karttunen, Jul 28 2023
2023-07-29T01:21:07
oeisdata/seq/A364/A364549.seq
e32ee34fee9f59e46b54c8da0057c2c7
A364550
Numbers k such that k is a multiple of A005941(k).
[ "1", "2", "3", "4", "5", "6", "8", "10", "12", "16", "20", "24", "32", "40", "48", "64", "80", "96", "128", "160", "192", "256", "320", "384", "512", "640", "768", "1024", "1280", "1536", "2048", "2560", "3072", "3125", "4096", "5120", "6144", "6250", "7875", "8192", "10240", "12005", "12288", "12500", "13365", "15750", "16384", "20480", "22869", "23595", "24010", "24576", "25000", "26730", "31500", "32768", "40960", "45738", "46475" ]
[ "nonn" ]
5
1
2
[ "A005941", "A029747", "A156552", "A364548", "A364550", "A364551", "A364560" ]
null
Antti Karttunen, Jul 28 2023
2023-07-29T14:35:50
oeisdata/seq/A364/A364550.seq
f1a6462c90cc094dff6c641119973f22
A364551
Odd numbers k such that k is a multiple of A005941(k).
[ "1", "3", "5", "3125", "7875", "12005", "13365", "22869", "23595", "46475", "703395", "985439", "2084775", "2675673", "13619125", "19144125" ]
[ "nonn", "more" ]
14
1
2
[ "A005940", "A005941", "A156552", "A364545", "A364549", "A364551", "A364560", "A364561", "A364564" ]
null
Antti Karttunen, Jul 28 2023
2023-07-29T14:36:02
oeisdata/seq/A364/A364551.seq
0148dab71550e64fdce9f96359608f0c
A364552
G.f. satisfies A(x) = 1 + x*A(x) + x^4*A(x)^3.
[ "1", "1", "1", "1", "2", "5", "11", "21", "39", "78", "169", "373", "808", "1727", "3719", "8153", "18100", "40315", "89770", "200250", "448755", "1010685", "2284295", "5173961", "11740697", "26699780", "60863291", "139045991", "318247190", "729572315", "1675085099", "3851795549", "8869990949", "20453679944", "47223844863" ]
[ "nonn", "easy" ]
9
0
5
[ "A000108", "A023426", "A063019", "A071879", "A127902", "A346626", "A364552" ]
null
Seiichi Manyama, Jul 28 2023
2023-07-28T10:36:26
oeisdata/seq/A364/A364552.seq
659cbc59aa5a555c371a5d9594271f6b
A364553
Number of edges in the n-Pell graph.
[ "0", "1", "5", "18", "58", "175", "507", "1428", "3940", "10701", "28705", "76230", "200766", "525083", "1365175", "3531240", "9093512", "23325785", "59625981", "151947066", "386139650", "978834759", "2475645491", "6248406780", "15740857452", "39585199525", "99389810585", "249177006702", "623846750086", "1559888545075" ]
[ "nonn", "easy" ]
34
0
3
[ "A000129", "A001333", "A008288", "A026937", "A093967", "A364361", "A364553", "A364636" ]
null
Eric W. Weisstein, Jul 28 2023
2025-02-16T08:34:06
oeisdata/seq/A364/A364553.seq
0b353d84735c3a71235fefbd1d62f895
A364554
a(n) = number of primes of the form T(k)/n, for some k, where T(k)=A000217(k) is a triangular number.
[ "1", "2", "3", "1", "3", "2", "2", "1", "3", "1", "2", "2", "1", "2", "4", "1", "0", "2", "1", "1", "4", "2", "2", "2", "1", "2", "2", "0", "1", "3", "1", "0", "4", "1", "3", "2", "2", "1", "3", "2", "1", "2", "0", "1", "2", "0", "1", "2", "1", "1", "4", "1", "1", "3", "1", "1", "4", "1", "1", "3", "1", "0", "2", "1", "2", "1", "0", "2", "2", "2", "0", "0", "1", "1", "4", "1", "1", "2", "1", "0", "2", "1", "2", "2", "2", "2", "4", "0", "1", "4" ]
[ "nonn" ]
27
1
2
[ "A000217", "A001318", "A057569", "A057570", "A074378", "A109998", "A154296", "A154304", "A364554", "A364555" ]
null
Lamine Ngom, Jul 28 2023
2023-09-01T21:13:18
oeisdata/seq/A364/A364554.seq
24e2ebf08e94a1fc54acb3f7c14387ca
A364555
Numbers m such that no triangular number is m times a prime.
[ "17", "28", "32", "43", "46", "62", "67", "71", "72", "80", "88", "94", "101", "103", "104", "108", "109", "110", "118", "122", "124", "127", "130", "137", "144", "148", "149", "151", "152", "161", "162", "163", "170", "171", "172", "178", "181", "185", "188", "196", "197", "202", "206", "208", "212", "214", "218", "223", "226", "236", "238", "241", "242", "256", "257", "258" ]
[ "nonn" ]
17
1
1
[ "A000217", "A109998", "A364554", "A364555" ]
null
Lamine Ngom, Jul 28 2023
2023-09-01T21:14:06
oeisdata/seq/A364/A364555.seq
bd57dea9142b1f509b0e7f83a12097f6
A364556
Number of tilings of a 5 X n rectangle using dominoes and trominoes (of any shape).
[ "1", "2", "43", "733", "12688", "226922", "3927233", "68846551", "1204757533", "21062468900", "368521437132", "6445706387345", "112749099291387", "1972235696214897", "34498222540798726", "603446574091501719", "10555520988321750183", "184637793249606497610", "3229696298942838688793", "56494043669663414794810" ]
[ "nonn" ]
21
0
2
[ "A364457", "A364556" ]
null
Alois P. Heinz, Jul 28 2023
2025-04-05T09:10:02
oeisdata/seq/A364/A364556.seq
7371f08fdf99f212ab00319b3d4cf40e
A364557
Möbius transform of A005941.
[ "1", "1", "2", "2", "4", "2", "8", "4", "4", "4", "16", "4", "32", "8", "4", "8", "64", "4", "128", "8", "8", "16", "256", "8", "8", "32", "8", "16", "512", "4", "1024", "16", "16", "64", "8", "8", "2048", "128", "32", "16", "4096", "8", "8192", "32", "8", "256", "16384", "16", "16", "8", "64", "64", "32768", "8", "16", "32", "128", "512", "65536", "8", "131072", "1024", "16", "32", "32", "16", "262144", "128", "256", "8", "524288", "16", "1048576", "2048" ]
[ "nonn" ]
14
1
3
[ "A005941", "A008683", "A297112", "A297113", "A297167", "A364557", "A364558" ]
null
Antti Karttunen, Jul 28 2023
2023-07-29T15:59:07
oeisdata/seq/A364/A364557.seq
d2d719a1293a3c79504341c6bbdd9d8b
A364558
a(n) = A364557(n) - A000010(n), where A364557 is the Möbius transform of A005941, and A000010 (Euler phi) is the Möbius transform of A000027.
[ "0", "0", "0", "0", "0", "0", "2", "0", "-2", "0", "6", "0", "20", "2", "-4", "0", "48", "-2", "110", "0", "-4", "6", "234", "0", "-12", "20", "-10", "4", "484", "-4", "994", "0", "-4", "48", "-16", "-4", "2012", "110", "8", "0", "4056", "-4", "8150", "12", "-16", "234", "16338", "0", "-26", "-12", "32", "40", "32716", "-10", "-24", "8", "92", "484", "65478", "-8", "131012", "994", "-20", "0", "-16", "-4", "262078", "96", "212", "-16", "524218", "-8", "1048504" ]
[ "sign" ]
17
1
7
[ "A000010", "A005941", "A364557", "A364558", "A364559", "A364565", "A364566" ]
null
Antti Karttunen, Jul 28 2023
2023-07-29T15:58:46
oeisdata/seq/A364/A364558.seq
461a3ad716440eaa790c54a1600fbf28
A364559
a(n) = A005941(n) - n.
[ "0", "0", "0", "0", "0", "0", "2", "0", "-2", "0", "6", "0", "20", "4", "-4", "0", "48", "-4", "110", "0", "-2", "12", "234", "0", "-12", "40", "-12", "8", "484", "-8", "994", "0", "2", "96", "-14", "-8", "2012", "220", "28", "0", "4056", "-4", "8150", "24", "-22", "468", "16338", "0", "-24", "-24", "80", "80", "32716", "-24", "-18", "16", "202", "968", "65478", "-16", "131012", "1988", "-24", "0", "4", "4", "262078", "192", "446", "-28", "524218", "-16" ]
[ "sign" ]
21
1
7
[ "A005941", "A029747", "A364288", "A364499", "A364557", "A364558", "A364559", "A364560", "A364562", "A364576" ]
null
Antti Karttunen, Jul 28 2023
2023-08-07T18:26:57
oeisdata/seq/A364/A364559.seq
a16befc711e851e8a1ca263579183004
A364560
Numbers k for which A156552(k) < k.
[ "1", "2", "3", "4", "5", "6", "8", "9", "10", "12", "15", "16", "18", "20", "21", "24", "25", "27", "30", "32", "35", "36", "40", "42", "45", "48", "49", "50", "54", "55", "60", "63", "64", "70", "72", "75", "77", "80", "81", "84", "90", "91", "96", "98", "99", "100", "105", "108", "110", "120", "121", "125", "126", "128", "135", "140", "143", "144", "147", "150", "154", "160", "162", "165", "168", "169", "175", "180", "182", "187", "189", "192", "195", "196" ]
[ "nonn" ]
13
1
2
[ "A005941", "A029747", "A156552", "A364542", "A364550", "A364559", "A364560", "A364561", "A364562" ]
null
Antti Karttunen, Jul 28 2023
2023-07-29T15:59:18
oeisdata/seq/A364/A364560.seq
568866a42516b930413e4c8042f6ff02
A364561
Odd numbers k for which A156552(k) < k.
[ "1", "3", "5", "9", "15", "21", "25", "27", "35", "45", "49", "55", "63", "75", "77", "81", "91", "99", "105", "121", "125", "135", "143", "147", "165", "169", "175", "187", "189", "195", "221", "225", "231", "243", "245", "273", "275", "289", "297", "315", "323", "325", "343", "351", "357", "363", "375", "385", "405", "425", "429", "441", "455", "495", "507", "525", "539", "561", "567", "585", "595", "605", "625", "627", "637", "663", "665" ]
[ "nonn" ]
18
1
2
[ "A005940", "A005941", "A156552", "A364545", "A364551", "A364560", "A364561", "A364564", "A364576" ]
null
Antti Karttunen, Jul 28 2023
2023-08-11T09:59:14
oeisdata/seq/A364/A364561.seq
18b8b0839f39e42489a96ef72d3d34ed
A364562
Numbers k for which A156552(k) > k.
[ "7", "11", "13", "14", "17", "19", "22", "23", "26", "28", "29", "31", "33", "34", "37", "38", "39", "41", "43", "44", "46", "47", "51", "52", "53", "56", "57", "58", "59", "61", "62", "65", "66", "67", "68", "69", "71", "73", "74", "76", "78", "79", "82", "83", "85", "86", "87", "88", "89", "92", "93", "94", "95", "97", "101", "102", "103", "104", "106", "107", "109", "111", "112", "113", "114", "115", "116", "117", "118", "119", "122", "123", "124", "127" ]
[ "nonn" ]
7
1
1
[ "A005941", "A156552", "A364559", "A364560", "A364562" ]
null
Antti Karttunen, Jul 28 2023
2023-07-29T14:36:56
oeisdata/seq/A364/A364562.seq
e043ee20c63429cae9c59492dd6b548a
A364563
Difference k - A005940(k) computed for those odd numbers k for which the difference is nonnegative.
[ "0", "0", "0", "2", "6", "20", "2", "48", "28", "4", "110", "80", "48", "18", "18", "234", "202", "166", "110", "132", "12", "64", "42", "24", "484", "446", "402", "348", "360", "238", "50", "68", "276", "132", "246", "186", "204", "240", "994", "940", "884", "824", "830", "690", "462", "526", "722", "560", "240", "192", "680", "300", "596", "194", "602", "614", "696", "2012", "1958", "1898", "1794", "1840", "1624", "1336", "1442", "1724", "1458" ]
[ "nonn", "look" ]
8
1
4
[ "A005940", "A364294", "A364499", "A364543", "A364563" ]
null
Antti Karttunen, Aug 06 2023
2023-08-07T08:32:34
oeisdata/seq/A364/A364563.seq
54ec47a7e91b2ef13ae514a349f56bfd
A364564
Largest prime factor computed for those odd numbers k for which A156552(k) < k.
[ "1", "3", "5", "3", "5", "7", "5", "3", "7", "5", "7", "11", "7", "5", "11", "3", "13", "11", "7", "11", "5", "5", "13", "7", "11", "13", "7", "17", "7", "13", "17", "5", "11", "3", "7", "13", "11", "17", "11", "7", "19", "13", "7", "13", "17", "11", "5", "11", "5", "17", "13", "7", "13", "11", "13", "7", "11", "17", "7", "13", "17", "11", "5", "19", "13", "17", "19", "5", "11", "13", "3", "7", "19", "17", "13", "11", "17", "13", "11", "17", "7", "11", "19", "17", "7", "19", "13", "13" ]
[ "nonn" ]
9
1
2
[ "A006530", "A156552", "A364551", "A364561", "A364564" ]
null
Antti Karttunen, Jul 28 2023
2023-07-29T15:59:22
oeisdata/seq/A364/A364564.seq
1c79c457148c35293cc448fed1643e4c
A364565
Numbers k at which point A364557 (the Möbius transform of A005941) is equal to A000010 (Euler phi function).
[ "1", "2", "3", "4", "5", "6", "8", "10", "12", "16", "20", "24", "32", "40", "48", "64", "80", "85", "96", "128", "160", "170", "192", "256", "320", "340", "384", "512", "640", "680", "768", "1024", "1280", "1360", "1536", "2048", "2560", "2720", "3072", "4096", "5120", "5440", "6144", "8192", "10240", "10880", "12288", "16384", "20480", "21760", "24576", "32768", "40960", "43520", "49152", "65536", "81920", "87040", "98304", "131072" ]
[ "nonn" ]
6
1
2
[ "A000010", "A029747", "A364557", "A364558", "A364565", "A364566" ]
null
Antti Karttunen, Jul 29 2023
2023-07-29T15:58:54
oeisdata/seq/A364/A364565.seq
c7cf74c706442c74cdecdcfbc72ba592
A364566
Numbers k such that A364557(k) < A000010(k), where A364557 is the Möbius transform of A005941, and A000010 is Euler totient function phi.
[ "9", "15", "18", "21", "25", "27", "30", "33", "35", "36", "42", "45", "49", "50", "54", "55", "60", "63", "65", "66", "70", "72", "75", "77", "81", "84", "90", "91", "98", "99", "100", "105", "108", "110", "117", "119", "120", "121", "125", "126", "130", "132", "135", "140", "143", "144", "147", "150", "154", "162", "165", "168", "169", "175", "180", "182", "187", "189", "195", "196", "198", "200", "209", "210", "216", "220", "221", "225", "231" ]
[ "nonn" ]
4
1
1
[ "A000010", "A364557", "A364558", "A364565", "A364566" ]
null
Antti Karttunen, Jul 29 2023
2023-07-29T15:59:00
oeisdata/seq/A364/A364566.seq
e9074d6990b8d8909e6f3462aed77691
A364567
a(n) = A297112(A005940(1+n)), where A297112 is the Möbius transform of A156552 [the inverse of map n -> A005940(1+n)].
[ "0", "1", "2", "2", "4", "2", "4", "4", "8", "4", "4", "4", "8", "4", "8", "8", "16", "8", "8", "8", "8", "4", "8", "8", "16", "8", "8", "8", "16", "8", "16", "16", "32", "16", "16", "16", "16", "8", "16", "16", "16", "8", "8", "8", "16", "8", "16", "16", "32", "16", "16", "16", "16", "8", "16", "16", "32", "16", "16", "16", "32", "16", "32", "32", "64", "32", "32", "32", "32", "16", "32", "32", "32", "16", "16", "16", "32", "16", "32", "32", "32", "16", "16", "16", "16", "8", "16", "16" ]
[ "nonn" ]
18
0
3
[ "A005940", "A033265", "A156552", "A297112", "A364567", "A364568", "A364571" ]
null
Antti Karttunen, Aug 05 2023
2023-08-07T08:32:21
oeisdata/seq/A364/A364567.seq
5b940b8becdddffc81e27b9883cd43e2
A364568
a(n) = A290077(n) - A364567(n).
[ "1", "0", "0", "0", "0", "0", "2", "0", "-2", "0", "4", "0", "12", "2", "10", "0", "-6", "-2", "4", "0", "16", "4", "16", "0", "26", "12", "32", "4", "84", "10", "38", "0", "-20", "-6", "4", "-4", "24", "4", "20", "0", "44", "16", "40", "8", "104", "16", "56", "0", "78", "26", "68", "24", "152", "32", "104", "8", "262", "84", "184", "20", "468", "38", "130", "0", "-48", "-20", "-8", "-12", "16", "4", "28", "-8", "40", "24", "64", "8", "168", "20", "76", "0", "88", "44", "104", "32" ]
[ "sign" ]
15
0
7
[ "A000010", "A005940", "A033265", "A290077", "A297112", "A364499", "A364558", "A364567", "A364568" ]
null
Antti Karttunen, Aug 05 2023
2023-08-05T15:46:14
oeisdata/seq/A364/A364568.seq
583d8cddbaca197bf6960e613de07a70
A364569
Length of the common prefix in the binary expansions of A156552(n) and n-1 [= A156552(A005940(n))].
[ "0", "1", "2", "2", "3", "3", "1", "3", "1", "4", "2", "4", "1", "1", "1", "4", "5", "1", "3", "5", "2", "2", "2", "5", "4", "1", "2", "1", "1", "1", "1", "5", "4", "5", "2", "1", "3", "3", "3", "6", "2", "2", "2", "2", "5", "2", "2", "6", "5", "4", "1", "1", "1", "2", "1", "1", "1", "1", "1", "1", "1", "1", "1", "6", "4", "4", "5", "5", "4", "2", "4", "1", "3", "3", "1", "3", "2", "3", "3", "7", "1", "2", "2", "2", "2", "2", "2", "2", "2", "5", "2", "2", "2", "2", "2", "7", "1", "5", "1", "4", "1", "1", "1", "1", "1" ]
[ "nonn" ]
8
1
3
[ "A005940", "A156552", "A347380", "A364569", "A364570" ]
null
Antti Karttunen, Aug 14 2023
2023-08-14T19:50:42
oeisdata/seq/A364/A364569.seq
c2881ca06441ba76671e2d5c56b43e41
A364570
a(n) = A252464(n) - A364569(n), where A364569(n) is the length of the common prefix in the binary expansions of A156552(n) and n-1 [= A156552(A005940(n))].
[ "0", "0", "0", "0", "0", "0", "3", "0", "2", "0", "3", "0", "5", "4", "3", "0", "2", "3", "5", "0", "3", "4", "7", "0", "0", "6", "2", "5", "9", "4", "10", "0", "2", "3", "3", "4", "9", "6", "4", "0", "11", "4", "12", "5", "0", "8", "13", "0", "0", "1", "7", "7", "15", "3", "5", "6", "8", "10", "16", "5", "17", "11", "5", "0", "3", "3", "14", "4", "6", "4", "16", "5", "18", "10", "4", "7", "4", "5", "19", "0", "4", "12", "21", "5", "6", "13", "9", "6", "22", "1", "5", "9", "10", "14", "7", "0", "24", "1", "6" ]
[ "nonn" ]
10
1
7
[ "A005940", "A156552", "A252464", "A347381", "A364569", "A364570", "A364960" ]
null
Antti Karttunen, Aug 14 2023
2023-08-14T19:50:48
oeisdata/seq/A364/A364570.seq
19ba5521864f9f6f7771ff909d54ed65
A364571
a(n) = A297171(A163511(n)), where A297171 is the Möbius transform of the inverse permutation of A163511.
[ "0", "1", "1", "3", "2", "2", "2", "7", "4", "4", "2", "4", "5", "3", "6", "15", "8", "8", "4", "8", "4", "4", "4", "8", "10", "10", "4", "5", "13", "11", "14", "31", "16", "16", "8", "16", "8", "8", "8", "16", "8", "8", "4", "8", "8", "8", "8", "16", "20", "20", "10", "20", "7", "9", "6", "9", "26", "26", "12", "21", "29", "27", "30", "63", "32", "32", "16", "32", "16", "16", "16", "32", "16", "16", "8", "16", "16", "16", "16", "32", "16", "16", "8", "16", "8", "8", "8", "16", "16", "16" ]
[ "nonn", "look" ]
14
0
4
[ "A163511", "A243071", "A297171", "A364567", "A364571" ]
null
Antti Karttunen, Aug 05 2023
2023-08-06T08:19:53
oeisdata/seq/A364/A364571.seq
6291f6110b2ea52648650fad8d0941b9
A364572
Starting from k=7, each subsequent term is the next larger odd k such that A005940(k) >= k and the ratio A005940(k)/k is nearer to 1.0 than for any previous k in the sequence.
[ "7", "19", "321", "139307", "262365", "264245", "528577" ]
[ "nonn", "more" ]
17
1
1
[ "A005940", "A364572", "A364573", "A364576" ]
null
Antti Karttunen, Aug 06 2023
2023-08-06T17:50:52
oeisdata/seq/A364/A364572.seq
7d9f5f1c8538e6f3b63bea83f8e6f398
A364573
Starting from k=9, each subsequent term is the next larger odd k such that A005940(k) <= k and the ratio A005940(k)/k is nearer to 1.0 than for any previous k in the sequence.
[ "9", "35", "267", "8353", "16475", "16543", "132175", "262563", "295175", "1115151", "2098057", "2109697", "8651313", "537938015", "1073787425" ]
[ "nonn", "more" ]
13
1
1
[ "A005940", "A364563", "A364572", "A364573", "A364576" ]
null
Antti Karttunen, Aug 06 2023
2023-08-06T18:56:47
oeisdata/seq/A364/A364573.seq
9e8b9389ded6819e771e1afe16f58f29
A364574
Dirichlet inverse of A005941.
[ "1", "-2", "-3", "0", "-5", "6", "-9", "0", "2", "10", "-17", "0", "-33", "18", "19", "0", "-65", "-4", "-129", "0", "35", "34", "-257", "0", "12", "66", "0", "0", "-513", "-38", "-1025", "0", "67", "130", "69", "0", "-2049", "258", "131", "0", "-4097", "-70", "-8193", "0", "-22", "514", "-16385", "0", "56", "-24", "259", "0", "-32769", "0", "133", "0", "515", "1026", "-65537", "0", "-131073", "2050", "-42", "0", "261", "-134", "-262145", "0", "1027" ]
[ "sign" ]
9
1
2
[ "A005941", "A324640", "A364574", "A364575" ]
null
Antti Karttunen, Aug 05 2023
2023-08-05T15:46:43
oeisdata/seq/A364/A364574.seq
5bdaf7b4fc3490a9897478297ed24f44
A364575
a(n) = A364574(A005940(1+n)), where A364574 is the Dirichlet inverse of A005941 [the inverse permutation of A005940].
[ "1", "-2", "-3", "0", "-5", "6", "2", "0", "-9", "10", "19", "0", "12", "-4", "0", "0", "-17", "18", "35", "0", "69", "-38", "-22", "0", "56", "-24", "-64", "0", "-24", "0", "0", "0", "-33", "34", "67", "0", "133", "-70", "-42", "0", "265", "-138", "-339", "0", "-276", "44", "8", "0", "240", "-112", "-288", "0", "-640", "128", "124", "0", "-336", "48", "176", "0", "48", "0", "0", "0", "-65", "66", "131", "0", "261", "-134", "-82", "0", "521", "-266", "-659", "0" ]
[ "sign", "look" ]
14
0
2
[ "A005940", "A005941", "A085405", "A324052", "A324640", "A364574", "A364575" ]
null
Antti Karttunen, Aug 05 2023
2023-08-06T08:18:33
oeisdata/seq/A364/A364575.seq
4894b2bb6ce9d7fa15f88198d4e6f57c
A364576
Starting from k=1, each subsequent term is the next larger odd k such that A156552(k) < k and the ratio A156552(k)/k is nearer to 1.0 than for any previous k in the sequence.
[ "1", "3", "5", "21", "323", "66297", "139965", "263375", "264845", "528581" ]
[ "nonn", "more" ]
16
1
2
[ "A005940", "A005941", "A029747", "A156552", "A364551", "A364561", "A364564", "A364572", "A364576" ]
null
Antti Karttunen, Aug 06 2023
2023-08-06T17:49:45
oeisdata/seq/A364/A364576.seq
86db7cc8c26a5fc112ef8ab9d519839f
A364577
Lexicographically earliest infinite sequence such that a(i) = a(j) => A294898(i) = A294898(j) and A329697(i) = A329697(j), for all i, j >= 1.
[ "1", "1", "2", "1", "3", "4", "5", "1", "5", "2", "6", "7", "8", "9", "10", "1", "11", "12", "13", "14", "15", "16", "17", "18", "19", "6", "20", "21", "22", "23", "24", "1", "25", "26", "27", "28", "29", "30", "17", "31", "32", "33", "34", "9", "35", "25", "36", "37", "34", "38", "39", "5", "40", "41", "29", "42", "43", "44", "45", "46", "47", "48", "49", "1", "50", "51", "52", "53", "54", "55", "56", "57", "58", "59", "44", "60", "61", "41", "62", "63", "34", "64" ]
[ "nonn" ]
15
1
3
[ "A000203", "A005187", "A294898", "A318311", "A329697", "A336473", "A364577" ]
null
Antti Karttunen, Aug 12 2023
2023-08-14T08:34:48
oeisdata/seq/A364/A364577.seq
9c52d6664433d4964a74700010b5ac9e
A364578
a(n) is the smallest n-digit number whose sum of digits is n.
[ "1", "11", "102", "1003", "10004", "100005", "1000006", "10000007", "100000008", "1000000009", "10000000019", "100000000029", "1000000000039", "10000000000049", "100000000000059", "1000000000000069", "10000000000000079", "100000000000000089", "1000000000000000099", "10000000000000000199" ]
[ "nonn", "base", "easy" ]
34
1
2
[ "A051885", "A202270", "A364578" ]
null
Roland Kneer, Aug 14 2023
2024-03-31T16:29:22
oeisdata/seq/A364/A364578.seq
3559e563ecb8e9694c84b13f42bc6f77
A364579
Fifth Lie-Betti number of a path graph on n vertices.
[ "0", "0", "1", "11", "48", "140", "329", "668", "1223", "2074", "3316", "5060", "7434", "10584", "14675", "19892", "26441", "34550", "44470", "56476", "70868", "87972", "108141", "131756", "159227", "190994", "227528", "269332", "316942", "370928", "431895", "500484", "577373", "663278", "758954" ]
[ "nonn" ]
14
1
4
[ "A088459", "A360571", "A361230", "A362007", "A364579" ]
null
Samuel J. Bevins, Aug 14 2023
2025-02-16T08:34:06
oeisdata/seq/A364/A364579.seq
f46955e4cc53c9f74db793054c34b727
A364580
Number of n-step self-avoiding walks on the square Manhattan lattice that do not take two consecutive turns.
[ "1", "2", "4", "6", "10", "16", "26", "42", "68", "110", "178", "288", "460", "740", "1192", "1918", "3064", "4910", "7872", "12620", "20114", "32150", "51396", "82160", "130730", "208506", "332616", "530588", "843222", "1342662", "2138280", "3405346", "5406522", "8597632", "13674278", "21748530", "34501460", "54807754", "87077354" ]
[ "nonn", "walk" ]
27
0
2
[ "A117633", "A364580" ]
null
David Galvin, Jul 28 2023
2023-09-03T00:03:21
oeisdata/seq/A364/A364580.seq
142dd4adfb30f2354800468592dfe3d5
A364581
Numbers k such that the number of iterations of psi(phi(x)) starting at x = k and terminating when psi(phi(x)) = x (k is counted), -1 otherwise is the same for phi(psi(k)).
[ "1", "4", "8", "14", "15", "16", "21", "22", "26", "28", "32", "39", "44", "45", "46", "50", "51", "52", "56", "58", "64", "74", "82", "85", "86", "88", "92", "94", "98", "100", "104", "105", "111", "112", "114", "116", "118", "122", "128", "129", "135", "142", "146", "147", "148", "153", "154", "159", "164", "165", "166", "172", "176", "178", "182", "183", "184", "186", "188" ]
[ "nonn" ]
56
1
2
[ "A000010", "A001615", "A364581", "A364631", "A364642" ]
null
Torlach Rush, Jul 28 2023
2023-09-13T23:12:52
oeisdata/seq/A364/A364581.seq
106e8f8db35ed5d6fdf7fa78983e0c9f
A364582
a(n) is the least number with exactly n divisors of the form 3*k+1.
[ "1", "4", "16", "28", "80", "112", "320", "280", "784", "560", "1600", "1120", "10000", "2240", "3920", "2800", "25600", "5600", "1310720", "6160", "15680", "11200", "48400", "12320", "110000", "70000", "39200", "24640", "6553600", "30800", "5368709120", "36400", "78400", "179200", "440000", "61600", "343597383680", "1210000", "490000", "80080" ]
[ "nonn" ]
18
1
2
[ "A001817", "A005179", "A038547", "A364582", "A364583" ]
null
Ilya Gutkovskiy, Jul 28 2023
2023-07-31T18:15:26
oeisdata/seq/A364/A364582.seq
4f4ed760f1c81a12c580e181e0cf293c
A364583
a(n) is the least number with exactly n divisors of the form 3*k+2.
[ "1", "2", "8", "20", "40", "80", "140", "320", "280", "800", "560", "5120", "1120", "6400", "2240", "3920", "3080", "40000", "5600", "102400", "6160", "15680", "35840", "20971520", "12320", "110000", "44800", "39200", "24640", "1342177280", "30800", "193600", "40040", "250880", "280000", "440000", "61600", "1210000", "716800", "313600", "80080", "5497558138880" ]
[ "nonn" ]
16
0
2
[ "A001822", "A005179", "A038547", "A364582", "A364583" ]
null
Ilya Gutkovskiy, Jul 28 2023
2023-08-05T23:24:13
oeisdata/seq/A364/A364583.seq
fb3d1ce00f5aefdfa631b4154c176306
A364584
a(n) is the least number with exactly n divisors of the form 4*k+1.
[ "1", "5", "25", "45", "441", "225", "5103", "585", "1575", "2205", "35721", "2925", "194481", "25515", "11025", "9945", "2893401", "17325", "2711943423", "28665", "127575", "178605", "480249", "45045", "275625", "972405", "121275", "266805", "18983603961", "143325", "1441237924662543", "135135", "893025", "14467005", "3189375", "225225" ]
[ "nonn" ]
12
1
2
[ "A001826", "A005179", "A038547", "A364584", "A364585" ]
null
Ilya Gutkovskiy, Jul 28 2023
2023-07-31T18:15:30
oeisdata/seq/A364/A364584.seq
d68b023ab7eaa618d73cfee5146463e7
A364585
a(n) is the least number with exactly n divisors of the form 4*k+3.
[ "1", "3", "15", "63", "105", "567", "315", "3969", "945", "1575", "2835", "413343", "3465", "53361", "19845", "14175", "10395", "1750329", "17325", "26040609", "31185", "99225", "480249", "219667417263", "45045", "354375", "266805", "121275", "257985", "160137547184727", "155925", "4322241", "135135", "10333575", "8751645", "2480625" ]
[ "nonn" ]
10
0
2
[ "A001842", "A005179", "A038547", "A364584", "A364585" ]
null
Ilya Gutkovskiy, Jul 28 2023
2023-08-01T15:14:59
oeisdata/seq/A364/A364585.seq
fce79211a282239182b0998d935f1d4c
A364586
a(n) is the least number with exactly n divisors of the form 5*k+1.
[ "1", "6", "36", "66", "252", "336", "672", "1008", "3528", "2016", "4032", "3696", "9072", "7392", "13104", "11088", "36288", "38304", "26208", "22176", "68544", "44352", "91728", "66528", "154224", "99792", "209664", "96096", "301392", "144144", "222768", "188496", "487872", "399168", "471744", "421344", "1079568", "288288", "1097712", "432432" ]
[ "nonn" ]
14
1
2
[ "A001876", "A005179", "A038547", "A364586", "A364598", "A364599", "A364600" ]
null
Ilya Gutkovskiy, Jul 28 2023
2025-01-28T01:45:09
oeisdata/seq/A364/A364586.seq
f04ca1d793a5f1cddcd23a4af36ed048
A364587
Clique covering number, independence number, and Shannon capacity of the n-Lucas cube graph.
[ "1", "2", "3", "4", "6", "10", "15", "24", "39", "62", "100", "162", "261", "422", "683", "1104", "1786", "2890", "4675", "7564", "12239", "19802", "32040", "51842", "83881", "135722", "219603", "355324", "574926", "930250", "1505175", "2435424", "3940599", "6376022", "10316620", "16692642", "27009261", "43701902", "70711163", "114413064" ]
[ "nonn" ]
23
1
2
null
null
Eric W. Weisstein, Jul 29 2023
2025-02-16T08:34:06
oeisdata/seq/A364/A364587.seq
c34ace1d349f3fbd6824769c156ebba0
A364588
G.f. satisfies A(x) = 1/(1-x) + x^2*A(x)^4.
[ "1", "1", "2", "5", "15", "49", "170", "613", "2275", "8629", "33301", "130333", "516077", "2063685", "8321892", "33803161", "138181521", "568031297", "2346668400", "9737766513", "40569611691", "169632827345", "711611670532", "2994165070045", "12632782541053", "53433933353885", "226540298098019" ]
[ "nonn", "easy" ]
10
0
3
[ "A049130", "A090344", "A226974", "A349289", "A364588", "A364591" ]
null
Seiichi Manyama, Jul 29 2023
2023-07-29T10:46:28
oeisdata/seq/A364/A364588.seq
1da6350e3a4e96d9e6240881c361194c
A364589
G.f. satisfies A(x) = 1/(1-x) + x^3*A(x)^3.
[ "1", "1", "1", "2", "4", "7", "14", "31", "67", "146", "331", "760", "1749", "4072", "9583", "22673", "53929", "129055", "310328", "749152", "1815481", "4415313", "10771564", "26352955", "64644926", "158963191", "391767016", "967523138", "2394060433", "5934576763", "14735792889", "36647185192", "91274339014", "227645446307" ]
[ "nonn", "easy" ]
10
0
4
[ "A049130", "A199475", "A216604", "A226974", "A364589", "A364590" ]
null
Seiichi Manyama, Jul 29 2023
2023-07-29T10:38:39
oeisdata/seq/A364/A364589.seq
b28aba41e6d96eb5da7a8999293e2c7c
A364590
G.f. satisfies A(x) = 1/(1-x) + x^4*A(x)^3.
[ "1", "1", "1", "1", "2", "4", "7", "11", "19", "37", "74", "142", "268", "518", "1033", "2077", "4152", "8290", "16687", "33899", "69148", "141160", "288650", "592354", "1220086", "2519226", "5210164", "10794088", "22408556", "46613554", "97125751", "202662419", "423459427", "886048249", "1856448852", "3894362560", "8178530890" ]
[ "nonn", "easy" ]
11
0
5
[ "A049130", "A199475", "A346073", "A364589", "A364590", "A364591" ]
null
Seiichi Manyama, Jul 29 2023
2023-07-29T10:48:24
oeisdata/seq/A364/A364590.seq
a992e71afa1eb091fdcca31d6b810b0c
A364591
G.f. satisfies A(x) = 1/(1-x) + x^4*A(x)^4.
[ "1", "1", "1", "1", "2", "5", "11", "21", "40", "85", "197", "457", "1028", "2289", "5193", "12069", "28338", "66445", "155563", "365701", "865815", "2061133", "4919431", "11758741", "28165412", "67657225", "162977081", "393445865", "951438682", "2304494349", "5591221729", "13588455861", "33075115578", "80616857525", "196742749155" ]
[ "nonn", "easy" ]
10
0
5
[ "A226974", "A346073", "A349289", "A364588", "A364590", "A364591" ]
null
Seiichi Manyama, Jul 29 2023
2023-07-29T10:54:05
oeisdata/seq/A364/A364591.seq
cceb1783c2de2b5f9c3b371da82c8992
A364592
G.f. satisfies A(x) = 1/(1-x) + x*(1-x)*A(x)^4.
[ "1", "2", "8", "49", "365", "3001", "26193", "238119", "2230151", "21368167", "208459419", "2063563791", "20675793627", "209277092776", "2136720896514", "21979879393677", "227582114799201", "2369983696546858", "24806423607475896", "260829829404493787", "2753744691645428399" ]
[ "nonn", "easy" ]
9
0
2
[ "A014137", "A188687", "A364592", "A364594", "A364596" ]
null
Seiichi Manyama, Jul 29 2023
2023-07-29T10:51:53
oeisdata/seq/A364/A364592.seq
f46b144bf1a24a520e03d3c3fbb86fbb
A364593
G.f. satisfies A(x) = 1/(1-x) + x^2*(1-x)*A(x)^3.
[ "1", "1", "2", "3", "7", "14", "36", "85", "228", "587", "1612", "4354", "12166", "33832", "95876", "271803", "779287", "2239584", "6483386", "18823945", "54932299", "160771540", "472322632", "1391323310", "4110685812", "12173949214", "36141795088", "107521223008", "320531857144", "957289637952", "2864055208772" ]
[ "nonn", "easy" ]
9
0
3
[ "A110199", "A364593", "A364594" ]
null
Seiichi Manyama, Jul 29 2023
2023-07-29T10:49:47
oeisdata/seq/A364/A364593.seq
d7f82edb55dfb8ab256cacc8ef7df9cc
A364594
G.f. satisfies A(x) = 1/(1-x) + x^2*(1-x)*A(x)^4.
[ "1", "1", "2", "4", "11", "31", "98", "316", "1065", "3649", "12775", "45299", "162713", "590097", "2159015", "7957003", "29517141", "110116277", "412879256", "1555048142", "5880591163", "22319380999", "84992915958", "324634976440", "1243396473153", "4774504667881", "18376620653851", "70883537152927" ]
[ "nonn", "easy" ]
11
0
3
[ "A110199", "A364592", "A364593", "A364594", "A364596" ]
null
Seiichi Manyama, Jul 29 2023
2023-07-29T10:52:49
oeisdata/seq/A364/A364594.seq
9116dea7ca70219c416cc4b8357fff3a
A364595
G.f. satisfies A(x) = 1/(1-x) + x^3*(1-x)*A(x)^3.
[ "1", "1", "1", "2", "3", "4", "8", "15", "25", "50", "102", "193", "390", "815", "1645", "3385", "7141", "14893", "31196", "66309", "140752", "299043", "640367", "1373929", "2950006", "6360976", "13749865", "29753891", "64547097", "140329453", "305470485", "666084272", "1454920255", "3181946080", "6968134645", "15280422274" ]
[ "nonn", "easy" ]
9
0
4
[ "A364595", "A364596", "A364597" ]
null
Seiichi Manyama, Jul 29 2023
2023-07-29T10:50:46
oeisdata/seq/A364/A364595.seq
19316a34d790878255b3d9391fc6e1ae
A364596
G.f. satisfies A(x) = 1/(1-x) + x^3*(1-x)*A(x)^4.
[ "1", "1", "1", "2", "4", "7", "15", "36", "82", "191", "471", "1166", "2884", "7267", "18523", "47349", "121821", "315781", "822165", "2148811", "5641035", "14864295", "39287907", "104154066", "276899112", "737984583", "1971375679", "5277570860", "14156881590", "38045460023", "102421374775", "276174537027", "745822179831" ]
[ "nonn", "easy" ]
11
0
4
[ "A215340", "A226974", "A364592", "A364594", "A364595", "A364596", "A364597" ]
null
Seiichi Manyama, Jul 29 2023
2023-07-29T10:55:13
oeisdata/seq/A364/A364596.seq
9d3f184eaf8c10bc4c8663a4462728b0
A364597
G.f. satisfies A(x) = 1/(1-x) + x^3*(1-x)*A(x)^5.
[ "1", "1", "1", "2", "5", "11", "26", "71", "197", "540", "1521", "4401", "12826", "37597", "111385", "332861", "1000181", "3021071", "9174308", "27987989", "85712801", "263438881", "812394661", "2512807846", "7793552386", "24233089051", "75526196851", "235897169106", "738271145577", "2314825565700", "7270693111431" ]
[ "nonn", "easy" ]
9
0
4
[ "A364595", "A364596", "A364597" ]
null
Seiichi Manyama, Jul 29 2023
2023-07-29T10:56:10
oeisdata/seq/A364/A364597.seq
5ed5965cf9f67400ca09242b6d0c1fd6
A364598
a(n) is the least number with exactly n divisors of the form 5*k+2.
[ "1", "2", "12", "42", "84", "252", "462", "672", "924", "2016", "2772", "4032", "5544", "9072", "7392", "17136", "14784", "26208", "22176", "34272", "33264", "52416", "44352", "119952", "66528", "117936", "99792", "183456", "125664", "222768", "188496", "235872", "199584", "487872", "288288", "616896", "399168", "1206576", "376992", "1097712", "432432" ]
[ "nonn" ]
11
0
2
[ "A001877", "A005179", "A038547", "A364586", "A364598", "A364599", "A364600" ]
null
Ilya Gutkovskiy, Jul 29 2023
2025-01-28T01:44:38
oeisdata/seq/A364/A364598.seq
80121b66d68e9663dbd3b85649ec2248
A364599
a(n) is the least number with exactly n divisors of the form 5*k+3.
[ "1", "3", "18", "48", "144", "288", "504", "1248", "1008", "2016", "3024", "4368", "5544", "14112", "12096", "17136", "11088", "34272", "22176", "26208", "33264", "52416", "48048", "91728", "66528", "117936", "155232", "183456", "133056", "235872", "188496", "222768", "144144", "528528", "376992", "616896", "421344", "825552", "288288", "1707552", "432432" ]
[ "nonn" ]
11
0
2
[ "A001878", "A005179", "A038547", "A364586", "A364598", "A364599", "A364600" ]
null
Ilya Gutkovskiy, Jul 29 2023
2025-01-28T01:44:03
oeisdata/seq/A364/A364599.seq
148baf0a4fab3e9091a0ca7cb83c1171
A364600
a(n) is the least number with exactly n divisors of the form 5*k+4.
[ "1", "4", "24", "72", "144", "432", "504", "1008", "1512", "3528", "3024", "7056", "5544", "14112", "11088", "13104", "16632", "26208", "36288", "63504", "33264", "68544", "77616", "127008", "66528", "154224", "155232", "209664", "133056", "222768", "144144", "301392", "216216", "853776", "288288", "471744", "399168", "825552", "698544", "1707552", "432432" ]
[ "nonn" ]
11
0
2
[ "A001899", "A005179", "A038547", "A364586", "A364598", "A364599", "A364600" ]
null
Ilya Gutkovskiy, Jul 29 2023
2025-01-28T01:44:15
oeisdata/seq/A364/A364600.seq
d5e08ad93bb6ec409a835043ddfb0126