N8Programs/oeis-enhanced · Datasets at Hugging Face

id stringlengths 7 11	seq listlengths 1 347	keywords listlengths 1 8 ⌀
A371828	[ 1, 2, 7, 54, 993, 48868 ]	[ "nonn", "more" ]
A188389	[ 52, 1750, 35775, 507549, 5442547, 46757209, 335279744, 2067951459, 11224133015, 54571222450, 241058398756, 978630346891, 3686088206746, 12983700750813, 43054563334197, 135177521790982, 403818954811225, 1152699706324158 ]	[ "nonn" ]
A342702	[ 1, 2, 4, 6, 12, 18, 24, 30, 48, 60, 78, 90, 120, 150, 180, 210, 330, 360, 390, 420, 630, 840, 1050, 1260, 1470, 1680, 1890, 2100, 2310, 3360, 3570, 3990, 4200, 4620, 5460, 6300, 6930, 9240, 10710, 10920, 11550, 13860, 16380, 17220...	[ "nonn" ]
A265989	[ 2, 6, 9, 4, 26, 5, 101, 17, 401, 65, 1601, 257, 6401, 1025, 25601, 4097, 102401, 16385, 409601, 65537, 1638401, 262145, 6553601, 1048577, 26214401, 4194305, 104857601, 16777217, 419430401, 67108865, 1677721601, 268435457, 6710886401, 1073741825 ]	[ "nonn" ]
A315855	[ 1, 6, 8, 11, 14, 22, 27, 26, 30, 36, 44, 50, 45, 50, 62, 67, 70, 66, 72, 88, 92, 85, 86, 98, 107, 110, 106, 108, 124, 132, 125, 126, 134, 143, 150, 146, 148, 160, 168, 165, 166, 174, 179, 186, 186, 188, 200, 204, 201, ...	[ "nonn" ]
A234934	[ 2, 10, 1, 20, 3, 29, 63, 18, 13, 68, 100, 4, 30, 5, 40, 6, 50, 7, 60, 8, 70, 9, 12, 79, 108, 72, 19, 78, 102, 80, 101, 89, 109, 23, 69, 27, 14, 28, 54, 17, 24, 58, 117, 124, 90, 11, 200, 15, 36, 26, 37, 126, 93, ...	[ "nonn", "base" ]
A091514	[ 2, 7, 23, 79, 1087, 66047, 263167, 16785407, 1073807359, 17180131327, 68720001023, 4398050705407, 70368760954879, 18014398777917440, 18446744082299486000, 5.070602400912922e+30 ]	[ "nonn" ]
A224007	[ 10, 100, 868, 7378, 62764, 534352, 4549684, 38737252, 329817976, 2808146488, 23909211472, 203568584872, 1733230255168, 14757125302768, 125645595288400, 1069775806044208, 9108319894356832, 77550352914336260, 660281732184575100 ]	[ "nonn" ]
A051745	[ 2, 8, 24, 60, 131, 258, 469, 800, 1296, 2012, 3014, 4380, 6201, 8582, 11643, 15520, 20366, 26352, 33668, 42524, 53151, 65802, 80753, 98304, 118780, 142532, 169938, 201404, 237365, 278286, 324663, 377024, 435930, 501976, 575792, 658044, 749435, ...	[ "easy", "nonn" ]
A074336	[ 1, 3, 7, 11, 13, 29, 37, 113, 121, 149, 151, 201, 219, 251, 451, 453, 573, 669, 689, 697, 749, 913, 969, 1157, 1269, 1503, 1531, 1809, 2087, 2163, 2179, 2511, 2537, 2599, 2709, 2789, 2929, 3243, 3989, 4033, 4151, 5019, 5389, 5423,...	[ "nonn", "base" ]
A091801	[ 8, 99, 995, 9996, 99990, 999999, 9999995, 99999983, 999999980, 9999999994, 99999999981, 999999999999, 9999999999984, 99999999999964, 999999999999960, 9999999999999954, 100000000000000000, 1000000000000000000 ]	[ "base", "nonn" ]
A180299	[ 1, 25652, 461175, 1740024, 3907995, 7391475, 13058840, 22225256, 36773397, 59366450, 93736500, 145044900, 220330110, 329064450, 483841800, 701220000, 1002744600, 1416183912, 1977008880, 2730155120, 3732108600, 5053360840 ]	[ "nonn" ]
A160066	[ 1, 44, 686, -79816, -6084404, 131366224, 43807638856, 942289429664, -341856105084784, -24464562920370496, 2769440413707518000, 427662414707762000000, -1.926265944133685e+22, -7.262493236035251e+24, -6.531486463827293e+24, 1.268062462262085e+29 ]	[ "sign", "frac" ]
A278536	[ 3, 1, 4, 1, 3, 4, 3, 1, 4, 1, 3, 4, 3, 1, 4, 1, 3, 4, 3, 1, 4, 1, 3, 4, 3, 1, 4, 1, 3, 4, 3, 1, 4, 1, 3, 4, 3, 1, 4, 1, 3, 4, 3, 1, 4, 1, 3, 4, 3, 1, 4, 1, 3, 4, 3, 1, 4, 1, 3, 4, 3, 1, 4, 1...	[ "nonn" ]
A376808	[ 1, 9, 2387, 655089857, 185543613289205820, 1.0610318694152432e+29, 2.1890075825659916e+44, 2.689595989958732e+63 ]	[ "nonn" ]
A336943	[ 797, 37, 13, 113, 29, 13, 73, 2593, 13, 41, 37, 13, 509, 57881, 13, 73, 293, 13, 29, 37, 13, 7555049, 53, 13, 41, 29, 13, 677, 37, 13, 8557781, 113, 13, 73, 41, 13, 397, 37, 13, 29, 1217, 13, 73, 9820301, 13, 113, 29, 13, ...	[ "nonn" ]
A082624	[ 7, 373, 30703, 3007003, 302070203, 30207570203, 3062075702603, 306020757020603, 30602075057020604, 3060320750570231000, 300603207505702300000, 3.0060320275057204e+22, 3.006032021750571e+24, 3.0060320212750573e+26, 3.004603202127506e+28 ]	[ "base", "nonn" ]
A350515	[ 0, 0, 1, 5, 1, 8, 3, 2, 4, 14, 3, 17, 6, 4, 7, 23, 5, 26, 9, 6, 10, 32, 7, 35, 12, 8, 13, 41, 9, 44, 15, 10, 16, 50, 11, 53, 18, 12, 19, 59, 13, 62, 21, 14, 22, 68, 15, 71, 24, 16, 25, 77, 17, 80, 27, 18, ...	[ "nonn", "easy" ]
A358807	[ 1, 0, 2, 86, 5911, 652189, 82173814 ]	[ "nonn", "hard", "more" ]
A250546	[ 1, 2, 5, 6, 25, 26, 33, 37, 57, 125, 126, 157, 244, 248, 268, 368, 625, 626, 657, 868, 1025, 1029, 1049, 1149, 1649, 3125, 3126, 3130, 3150, 3157, 3250, 3368, 3750, 4149, 6250, 7777, 7781, 7801, 7901, 8401, 10901, 15625, 15626, 15...	[ "nonn" ]
A139521	[ 2, 2, 3, 13, 257, 15131, 83002267, 1696274711037607, 6.238411799745773e+28, 3.602988210319403e+55 ]	[ "easy", "nonn", "frac" ]
A355616	[ 1, 1, 2, 3, 5, 6, 9, 11, 14, 15, 21, 23, 29, 31, 34, 38, 48, 49, 59, 63, 67, 71, 83, 86, 97, 100, 110, 115, 132, 133, 150, 158, 165, 169, 182, 187, 208, 213, 222, 228, 252, 254, 280, 287, 297, 304, 331, 337, 362, 367, ...	[ "nonn" ]
A220221	[ 1, 3, 5, 7, 9, 17, 23, 33, 65, 129, 257, 513, 1025, 2049, 4097, 8193, 16385, 32769, 65537, 131073, 262145, 524289, 1048577, 2097153, 4194305, 8388609, 16777217, 33554433, 67108865, 134217729, 268435457, 536870913, 1073741825, 2147483649, 4294967297...	[ "nonn", "base", "easy" ]
A152111	[ 0, 1, 2, 4, 8, 9, 16, 18, 32, 36, 64, 65, 72, 73, 128, 130, 144, 146, 256, 260, 288, 292, 512, 513, 520, 521, 576, 577, 584, 585, 1024, 1026, 1040, 1042, 1152, 1154, 1168, 1170, 2048, 2052, 2080, 2084, 2304, 2308, 2336, 2340, ...	[ "nonn", "easy" ]
A151292	[ 1, 2, 7, 23, 85, 314, 1207, 4682, 18493, 73688, 296671, 1202849, 4910689, 20158436, 83169871, 344628527, 1433631973, 5984532728, 25060514887, 105240685511, 443102517025, 1870054761632, 7909539602647, 33521289826778, 142330494633985, 605375433105734, 25789889791861...	[ "nonn", "walk" ]
A269311	[ 8, 18, 21, 160, 1590, 2420, 18620, 69229, 83790, 279964, 494520, 598810, 676450, 1183147, 4233720, 5600348, 14217074, 20025836, 64278677, 425208387, 604048830, 750851470, 1981942354 ]	[ "nonn", "base", "more" ]
A118467	[ 619, 1069, 1459, 1499, 1759, 1789, 2861, 3331, 3931, 4177, 4801, 4831, 5419, 6229, 6397, 8431, 8893, 9067, 9631, 11003, 11131, 11789, 12619, 14251, 15331, 15889, 16661, 17683, 17939, 18269, 18553, 19219, 19391, 19507, 20029, 20759, 22039, 221...	[ "nonn" ]
A211831	[ 1, 16, 157, 1254, 9068, 62617, 426022, 2913894, 20307833, 145503003, 1077731960, 8277491943, 66003259942, 546398875027, 4692545543444, 41760563809046, 384605668021029, 3660788725969481, 35964832246977676, 364242679197958100 ]	[ "nonn" ]
A079224	[ 1, 1, 2, 3, 8, 18, 43, 104, 273, 702, 1870, 4985, 13562, 37038, 102266, 283774, 793189, 2227115, 6286044, 17811751, 50672898, 144639235, 414181050, 1189365940, 3424477813, 9883578364, 28589660227, 82870288432, 240672107114 ]	[ "nonn" ]
A222418	[ 1802, 1810, 1813, 1818, 1821, 1826, 1829, 1837, 1840, 1843, 1845, 1848, 1851, 1856, 1859, 1864, 1867, 1870, 1872, 1875, 1878, 1883, 1886, 1889, 1894, 1897, 1902, 1905, 1908, 1913, 1916, 1924, 1927, 1932, 1935, 1938, 1940, 1943, 1946, 1951...	[ "nonn" ]
A170259	[ 1, 10, 90, 810, 7290, 65610, 590490, 5314410, 47829690, 430467210, 3874204890, 34867844010, 313810596090, 2824295364810, 25418658283290, 228767924549610, 2058911320946490, 18530201888518410, 166771816996665700 ]	[ "nonn" ]
A364726	[ 12, 24, 84, 120, 672, 24384, 43065, 78975, 81081, 261261, 523776, 9124731, 13398021, 69087249, 91963648, 459818240, 39142675143, 51001180160 ]	[ "nonn", "more" ]
A287431	[ 7, 21, 45, 129, 373, 1177, 3741, 12065, 38949, 125993, 407597, 1318961, 4268085, 13811769, 44695613, 144638017, 468058181, 1514668105, 4901568589, 15861809233, 51329892437, 166107021401, 537533612125, 1739495309409, 5629125066853, 18216231370857, 58948963008621 ]	[ "nonn", "easy" ]
A012966	[ 0, 2, -1, -8, 18, 306, -1905, -26532, 353388, 4334778, -110509245, -1021609008, 50779213254, 272982059658, -32111535861405, -11592260316252, 26485822571365080, -161024492765786940, -27356021208171990000 ]	[ "sign" ]
A321589	[ 1, 1, 13, 83, 1103, 11453, 127320, 1388914, 15330926, 167842605, 1845273115, 20252779428, 222470481108, 2442643290488, 26825729083460, 294573090471640, 3234887436123961, 35523266398630040, 390097222479871400, 4283805079495347000, 47042252237178800000 ]	[ "nonn" ]
A180328	[ 14, 15, 33, 35, 46, 51, 55, 62, 69, 77, 87, 94, 95, 115, 118, 119, 123, 141, 142, 143, 145, 155, 158, 159, 161, 166, 177, 187, 203, 205, 209, 213, 214, 221, 235, 249, 253, 254, 265, 267, 278, 287, 295, 299, 302, 303, 319, ...	[ "nonn" ]
A377633	[ 1, 2, 22, 474, 15512, 685450, 38251212, 2582466950, 204744089104, 18650699228754, 1919767092675860, 220378941471652930, 27916112634179590000, 3.868191824049866e+21, 5.8203439715351235e+23, 9.450903913032618e+25, 1.6472375319790735e+28, 3.067435511995844e+30 ]	[ "nonn" ]
A248323	[ 11, 12, 42, 84, 124, 135, 248, 325, 366, 510, 550, 555, 624, 650, 714, 1010, 1111, 1525, 1734, 2510, 3913, 4020, 5100, 5500, 5610, 5625, 8040, 11111, 13515, 16575, 21175, 24104, 25500, 28160, 34170, 35250, 35610, 36800, 37444, 44919, 50...	[ "nonn", "base" ]
A000002	[ 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1, 1, 2, 2, 1, 2, 1, 1, 2, 1, 2, 2, 1, 1, 2, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2, 1, 1, 2, 1, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1, 2, 2, 1...	[ "nonn", "core", "easy", "nice" ]
A347080	[ 0, 1, -1, -2, 2, 13, -16, -161, 170, 2647, -1711, -51248, 5711, 1103710, 599246, -25521869, -33907174, 620323849, 1410745127, -15678980390, -53746958146, 411344661913, 1998823108706, -11256049308869, -75003366373495, 323285264486686, 2904292324907387 ]	[ "sign" ]
A286250	[ 1, 2, 2, 4, 2, 2, 6, 2, 4, 6, 2, 2, 2, 6, 12, 6, 8, 2, 2, 2, 2, 16, 2, 6, 4, 6, 6, 2, 2, 30, 12, 6, 6, 4, 12, 6, 6, 6, 6, 6, 2, 2, 6, 6, 30, 2, 6, 2, 6, 6, 2, 6, 2, 6, 6, 6, 6, 2, 6, 6, 2, 12, ...	[ "nonn" ]
A220217	[ 1, 2, 2, 4, 6, 4, 7, 23, 23, 7, 12, 75, 179, 75, 12, 21, 241, 1220, 1220, 241, 21, 37, 777, 8293, 16465, 8293, 777, 37, 65, 2512, 56222, 218677, 218677, 56222, 2512, 65, 114, 8132, 381710, 2902395, 5674816, 2902395, 381710, 8132, ...	[ "nonn", "tabl" ]
A374957	[ 1, 1, 5, 2, 3, 8, 2, 4, 3, 5, 4, 8, 1, 2, 4, 3, 2, 5, 2, 6, 2, 0, 5, 7, 5, 1, 1, 1, 7, 7, 3, 4, 2, 7, 5, 5, 6, 7, 2, 2, 2, 5, 0, 9, 4, 3, 8, 0, 3, 1, 6, 0, 5, 8, 1, 0, 3, 1, 5, 5, 3, 1, 4, 8...	[ "nonn", "cons", "easy" ]
A347466	[ 1, 2, 2, 5, 2, 9, 2, 11, 5, 9, 2, 29, 2, 9, 9, 22, 2, 29, 2, 29, 9, 9, 2, 77, 5, 9, 11, 29, 2, 66, 2, 42, 9, 9, 9, 109, 2, 9, 9, 77, 2, 66, 2, 29, 29, 9, 2, 181, 5, 29, 9, 29, 2, 77, 9, 77, 9, 9, 2, ...	[ "nonn" ]
A072323	[ 610, 832040, 20365011074, 160500643816367100, 4660046610375530000, 4.073057959040806e+26, 1.5080434001680798e+35, 5.385223404303008e+38, 8.105590009602351e+28 ]	[ "base", "nonn" ]
A004482	[ 1, 2, 0, 4, 5, 3, 7, 8, 6, 10, 11, 9, 13, 14, 12, 16, 17, 15, 19, 20, 18, 22, 23, 21, 25, 26, 24, 28, 29, 27, 31, 32, 30, 34, 35, 33, 37, 38, 36, 40, 41, 39, 43, 44, 42, 46, 47, 45, 49, 50, 48, 52, 53, 51, 55...	[ "nonn", "easy", "base" ]
A032673	[ 3, 5, 11, 15, 27, 29, 33, 35, 41, 51, 59, 63, 69, 71, 89, 93, 95, 101, 105, 107, 117, 123, 147, 155, 167, 179, 183, 189, 197, 201, 203, 209, 219, 231, 233, 245, 249, 251, 261, 263, 275, 281, 285, 291, 303, 309, 323, 329, ...	[ "nonn", "base", "less" ]
A297424	[ -24, 128406630, -1695266465052058, -4.4671614740220236e+21, 2.6432026871288874e+27, 5.631587063815097e+33, -6.022712388820422e+39, 3.519878895631571e+45, 4.524937007894209e+50 ]	[ "sign" ]
A365129	[ 1, 2, 9, 44, 240, 1386, 8346, 51802, 329086, 2129330, 13984095, 92974510, 624568680, 4232731050, 28904102829, 198688337014, 1373763563150, 9547516671684, 66660156446189, 467342635522698, 3288691828900768, 23220922841177476, 164465227646878700 ]	[ "nonn" ]
A190787	[ 2, 8, 18, 32, 72, 128, 288, 512, 1152, 2048, 4608, 8192, 18432, 32768, 73728, 131072, 294912, 524288, 1179648, 2097152, 4718592, 8388608, 18874368, 33554432, 75497472, 134217728, 301989888, 536870912, 1207959552, 2147483648, 4831838208, 8589934592, 193...	[ "nonn" ]
A248278	[ 7, 4, 34, 1433, 3473810, 16229351336487, 9.495146358412302e+26, 2.889844410885035e+54, 9.030361042349459e+109 ]	[ "nonn" ]
A263018	[ 1, 3, 2, 7, 5, 11, 4, 15, 23, 47, 6, 95, 13, 27, 8, 31, 191, 383, 55, 767, 111, 223, 9, 1535, 447, 895, 14, 1791, 29, 59, 16, 63, 3071, 6143, 3583, 12287, 7167, 14335, 119, 24575, 28671, 57343, 239, 114687, 479, 959, 10, 4...	[ "nonn", "base" ]
A029887	[ 1, 11, 82, 515, 2934, 15694, 80324, 397923, 1922510, 9105690, 42438076, 195165646, 887516252, 3997537980, 17857602568, 79200753059, 349051186494, 1529735010658, 6670733733260, 28959032959962, 125209652884756, 539384745200516, 2315840230811832, 9912689725127950 ]	[ "nonn", "easy" ]
A031749	[ 5043, 20168, 45375, 80664, 126035, 181488, 247023, 322640, 408339, 504120, 609983, 725928, 851955, 988064, 1134255, 1290528, 1456883, 1633320, 1819839, 2016440, 2223123, 2439888, 2666735, 2903664, 3150675, 3407768, 3674943, 3952200, 4239539 ]	[ "nonn" ]
A150962	[ 1, 2, 9, 35, 166, 727, 3538, 16294, 80160, 378927, 1874930, 9000443, 44683110, 216630208, 1077697787, 5260220811, 26204060817, 128518455419, 640809487729, 3154046495137, 15736623881298, 77664193244089, 387673662776003, 1917272347984752, 9573667095262512, 47425770367...	[ "nonn", "walk" ]
A342957	[ 1, 2, 4, 15, 39, 87, 183, 951, 1255, 1527, 3063, 15335, 12279, 61431, 49143, 516047, 491495, 1703767, 1310695, 8257487, 3145719, 15728631, 12582903, 94371815, 50331639, 352321527, 335544295 ]	[ "nonn", "more" ]
A255578	[ 461574735553, 84154807001953, 973694665856161, 3060522900274753, 11861640972220320, 386096840467598600, 2322064552169233400, 7545246852649392000, 9688364125836900000, 10972742858243842000, 11660828668219468000, 16553878978808517000, 17905475062325518000 ]	[ "nonn" ]
A264556	[ 0, 93, 1204, 23140, 813473, 25172836, 591482528, 15554895920, 426023121887, 11212094301173, 288664400022091, 7526121840247476, 196724860860294900, 5099876575111215000, 131971387912281230000, 3.420386371154191e+21 ]	[ "nonn" ]
A335211	[ 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 2, 1, 1, 3, 1, 1, 1, 1, 1, 3, 1, 2, 2, 2, 1, 1, 2, 1, 2, 1, 1...	[ "nonn" ]
A147263	[ 1, 1, 1, 1, 1, 1, 1, 1, 9, 9, 33, 33, 105, 105, 825, 825, 13503, 13503, 390699, 390699, 9339771, 9339771 ]	[ "nonn" ]
A218405	[ 4, 47616, 293760, 1782144, 3485664, 134209536, 282977280, 746444160, 1459956960, 1684126080, 1716728832, 27298252800, 41233360896, 376591138560, 719045268480, 1622308746240, 38965526046720, 41769966551040, 985261739212800, 3067660098994176 ]	[ "nonn" ]
A126809	[ 3, 19, 119, 1688, 10794, 136121, 1530012, 18660270, 156001209, 1695509436, 11136696006, 102111268282, 1260654956982, 10725187563686, 147895359776637, 1313133218365935, 16250291773636036, 118166387818704590, 1860961545617561600, 15963377896404316000 ]	[ "nonn", "base" ]
A157893	[ 1, 2, 3, 2, 4, 3, 5, 3, 4, 3, 6, 4, 5, 4, 7, 4, 5, 4, 6, 4, 5, 4, 8, 5, 6, 5, 7, 5, 6, 5, 9, 5, 6, 5, 7, 5, 6, 5, 8, 5, 6, 5, 7, 5, 6, 5, 10, 6, 7, 6, 8, 6, 7, 6, 9, 6, 7, 6, 8, 6, 7, 6, 11, ...	[ "nonn" ]
A137210	[ 1, 84, 252, 12717, 177744, 189264, 143747328 ]	[ "nonn", "more" ]
A007158	[ 2, 10, 3866, 297538923922, 6.750897085400703e+35, 2.0208989911716276e+110 ]	[ "nonn" ]
A054796	[ 17, 19, 23, 25, 29, 35, 37, 47, 49, 59, 67, 73, 89, 107, 115, 127, 145, 149, 173, 179, 199, 217, 227, 257, 259, 289, 305, 323, 355, 359, 397, 409, 437, 467, 479, 523, 529, 569, 595, 617, 665, 667, 719, 739, 773, 817, 829, ...	[ "nonn" ]
A242786	[ 2, 3, 3, 43, 7, 41, 23, 643, 17, 557, 251, 13183, 1999, 10007, 107 ]	[ "nonn", "more", "hard" ]
A340357	[ 1, 3, 7, 20, 64, 232, 908, 3717, 15716, 67996, 299396, 1337022, 6040421, 27556567, 126762966, 587324586, 2738338960, 12837950292, 60483207417, 286206067039, 1359678614745, 6482510515788, 31006901328525, 148750651958227, 715545729962692, 3450638733403489 ]	[ "nonn" ]
A104299	[ 211, 853, 25841597987 ]	[ "nonn", "base" ]
A159891	[ 1, 1, 4, 4, 4, 1, 2, 2, 3, 1, 4, 7, 9, 8, 8, 6, 0, 8, 6, 6, 7, 3, 5, 1, 0, 0, 8, 2, 9, 5, 4, 0, 0, 3, 0, 0, 5, 2, 3, 9, 0, 1, 1, 8, 8, 7, 8, 4, 9, 2, 7, 5, 2, 1, 4, 2, 9, 0, 2, 5, 1, 8, 2, 0...	[ "cons", "nonn" ]
A069351	[ 2, 5, 7, 13, 19, 29, 43, 61, 83, 103, 107, 109, 137, 149, 197, 227, 263, 281, 283, 347, 349, 353, 389, 443, 457, 467, 479, 523, 541, 563, 569, 571, 587, 619, 643, 647, 653, 659, 677, 743, 761, 797, 811, 821, 827, 863, 883, ...	[ "nonn" ]
A330963	[ 0, 1, 1, 0, 1, 0, 3, 8, 1, 0, 0, 5, 0, 5, 5, 0, 1, 0, 0, 5, 0, 5, 5, 0, 9, 7, 5, 0, 7, 16, 27, 40, 1, 0, 0, 5, 0, 5, 5, 0, 0, 7, 5, 0, 7, 0, 11, 24, 0, 8, 5, 0, 7, 0, 0, 13, 20, 11, 0, 13, 0, 13...	[ "nonn", "base" ]
A306759	[ 3, 3, 1, 7, 5, 4, 4, 6, 6 ]	[ "nonn", "more", "cons" ]
A155735	[ 1, 5, 8, 8, 4, 8, 1, 5, 9, 2, 9, 7, 5, 3, 6, 5, 9, 3, 8, 3, 7, 4, 9, 3, 3, 9, 4, 5, 6, 5, 6, 9, 1, 9, 8, 2, 8, 4, 5, 0, 5, 9, 7, 0, 5, 6, 0, 5, 9, 6, 3, 1, 2, 5, 5, 6, 6, 5, 8, 9, 9, 5, 9, 2...	[ "nonn", "cons" ]
A010949	[ 1, 33, 528, 5456, 40920, 237336, 1107568, 4272048, 13884156, 38567100, 92561040, 193536720, 354817320, 573166440, 818809200, 1037158320, 1166803110, 1166803110, 1037158320, 818809200, 573166440, 354817320, 193536720, 92561040, 38567100, 13884156 ]	[ "nonn", "fini", "full", "easy" ]
A070474	[ 0, 1, 8, 3, 4, 5, 0, 7, 8, 9, 4, 11, 0, 1, 8, 3, 4, 5, 0, 7, 8, 9, 4, 11, 0, 1, 8, 3, 4, 5, 0, 7, 8, 9, 4, 11, 0, 1, 8, 3, 4, 5, 0, 7, 8, 9, 4, 11, 0, 1, 8, 3, 4, 5, 0, 7, 8, 9, 4, 11, 0, 1, 8...	[ "nonn", "easy" ]
A076274	[ 1, 3, 5, 9, 13, 21, 25, 33, 37, 45, 57, 61, 73, 81, 85, 93, 105, 117, 121, 133, 141, 145, 157, 165, 177, 193, 201, 205, 213, 217, 225, 253, 261, 273, 277, 297, 301, 313, 325, 333, 345, 357, 361, 381, 385, 393, 397, 421, ...	[ "nonn", "easy" ]
A268225	[ 1, 1, 5, 16, 55, 235, 1102, 5757, 33251 ]	[ "nonn", "more" ]
A196342	[ 13, 275, 3132, 53647, 869434, 13932416, 224664284, 3596759057, 57811730338, 929821862056, 14939206389945, 240046010119898, 3857530827560368, 61988984647826450, 996134711490423900, 16007484096536093000, 257233649380410400000, 4.1336346157461705e+21, 6.642575177883195e+22 ]	[ "nonn" ]
A161998	[ 2163, 2541, 2667, 4011, 5187, 5733, 5985, 7119, 7371, 7707, 8547, 10017, 10731, 12579, 13041, 13125, 13293, 14007, 14679, 15855, 16317, 16401, 16863, 17283, 19131, 19383, 20139, 20475, 21021, 21357, 22197, 22995, 23457, 23667, 24591, 25053, 253...	[ "nonn" ]
A089317	[ 151, 373, 95959, 9515959, 159595151, 159595951, 15151595951, 15951595151, 95951515159, 1515159515951, 1515959515951, 1515959595151, 1595159515151, 1595159595151, 9515151515159, 9515159515159, 9515159595959, 9595159515959 ]	[ "easy", "nonn", "base" ]
A152579	[ 51, 351, 851, 1551, 2451, 3551, 4851, 6351, 8051, 9951, 12051, 14351, 16851, 19551, 22451, 25551, 28851, 32351, 36051, 39951, 44051, 48351, 52851, 57551, 62451, 67551, 72851, 78351, 84051, 89951, 96051, 102351, 108851, 115551, 122451, 129551, 1...	[ "nonn", "easy" ]
A038691	[ 1, 3, 7, 13, 89, 2943, 2945, 2947, 2949, 2951, 2953, 50371, 50375, 50377, 50379, 50381, 50393, 50413, 50423, 50425, 50427, 50429, 50431, 50433, 50435, 50437, 50439, 50445, 50449, 50451, 50503, 50507, 50515, 50517, 50821, 50843, 50853, 50855, ...	[ "nonn" ]
A159015	[ 1, -6, 407, -357, 41483, -30583, 21019289, -1997177, 200758163, -141000363, 125429769517, -4618718797, 86138583685913, -1694601277343, -67473161580433, 636736947594783, 1156482071227275000, -457643653454013500, -6.7611584937901e+21, 395155414869373500000 ]	[ "sign", "frac" ]
A285277	[ 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1...	[ "nonn", "easy" ]
A159077	[ 1, 3, 4, 5, 6, 6, 8, 9, 10, 8, 12, 8, 14, 10, 9, 17, 18, 12, 20, 10, 11, 14, 24, 12, 26, 16, 28, 12, 30, 11, 32, 33, 15, 20, 13, 14, 38, 22, 17, 14, 42, 13, 44, 16, 15, 26, 48, 20, 50, 28, 21, 18, 54, 30, 17,...	[ "nonn" ]
A061160	[ 1, 1, 5, 50, 215, 646, 8711, 25475, 105925, 3091270, 11691247, 36809705, 445872155, 1364113925, 5085042010, 50975292560, 183383680088, 588817265695, 19512559194875, 62369303509475, 224877933068647, 2214198452392027, 7686538660149565, 25124342108522750 ]	[ "easy", "nonn", "frac" ]
A044607	[ 39, 103, 167, 231, 295, 319, 359, 423, 487, 551, 615, 679, 743, 807, 831, 871, 935, 999, 1063, 1127, 1191, 1255, 1319, 1343, 1383, 1447, 1511, 1575, 1639, 1703, 1767, 1831, 1855, 1895, 1959, 2023, 2087, 2151, 2215, 2279, 2343 ]	[ "nonn", "base" ]
A316711	[ 2, 1, 9, 1, 4, 8, 7, 8, 8, 3, 9, 5, 3, 1, 1, 8, 7, 4, 7, 0, 6, 1, 3, 5, 4, 2, 6, 8, 2, 2, 7, 5, 1, 7, 2, 9, 3, 4, 7, 4, 6, 9, 1, 0, 2, 1, 8, 7, 4, 2, 8, 8, 0, 9, 1, 0, 0, 9, 7, 8, 1, 3, 3, 8...	[ "nonn", "cons" ]
A193965	[ 1, 1, 3, 3, 10, 15, 4, 15, 26, 43, 7, 25, 43, 75, 120, 11, 40, 69, 120, 196, 318, 18, 65, 112, 195, 318, 520, 840, 29, 105, 181, 315, 514, 840, 1361, 2203, 47, 170, 293, 510, 832, 1360, 2203, 3570, 5775, 76, 275, 474, 82...	[ "nonn", "tabl" ]
A183865	[ 1, 4, 8, 13, 19, 27, 36, 46, 57, 69, 83, 98, 114, 131, 149, 169, 190, 212, 235, 259, 285, 312, 340, 369, 399, 431, 464, 498, 533, 569, 607, 646, 686, 727, 769, 813, 858, 904, 951, 999, 1049, 1100, 1152, 1205, 1259, 1315, 137...	[ "nonn", "easy" ]
A157402	[ 1, 1, 2, 1, 6, 10, 1, 24, 40, 80, 1, 80, 300, 400, 880, 1, 330, 2400, 3600, 5280, 12320, 1, 1302, 15750, 47600, 55440, 86240, 209440, 1, 5936, 129360, 588000, 837760, 1034880, 1675520, 4188800, 1, 26784, 1146040, 5856480 ]	[ "easy", "nonn", "tabl" ]
A024222	[ 0, 1, 2, 2, 4, 4, 3, 3, 6, 6, 10, 10, 12, 12, 4, 4, 8, 8, 18, 18, 6, 6, 11, 11, 20, 20, 18, 18, 28, 28, 5, 5, 10, 10, 12, 12, 36, 36, 12, 12, 20, 20, 14, 14, 12, 12, 23, 23, 21, 21, 8, 8, 52, 52, 20, 20, ...	[ "easy", "nonn" ]
A335305	[ 0, 0, 0, 0, 0, 0, 16128, 287232, 0, 0, 1843367680, 45589291776, 0, 0 ]	[ "nonn", "walk", "more" ]
A090584	[ 1, 0, 0, 1, 0, -1, 0, 1, -1, 1, 0, -1, 0, 2, -1, 1, 0, -1, 0, 3, -1, 1, 0, -1, 8, 1, -1, 1, 0, -1, 0, 4, -1, 2, 1, -1, 0, 1, -1, 483, 0, -1, 0, 1, -1, 1, 0, -1, 2, 1, -1, 1, 0, -1, 3, 1, -1, 6, 0, -...	[ "base", "sign" ]
A374459	[ 8, 24, 27, 32, 40, 54, 56, 88, 96, 104, 120, 125, 128, 135, 136, 152, 160, 168, 184, 189, 216, 224, 232, 243, 248, 250, 264, 270, 280, 296, 297, 312, 328, 343, 344, 351, 352, 375, 376, 378, 384, 408, 416, 424, 440, 456, 459,...	[ "nonn", "easy" ]
A040639	[ 25, 1, 3, 1, 2, 2, 2, 1, 3, 1, 50, 1, 3, 1, 2, 2, 2, 1, 3, 1, 50, 1, 3, 1, 2, 2, 2, 1, 3, 1, 50, 1, 3, 1, 2, 2, 2, 1, 3, 1, 50, 1, 3, 1, 2, 2, 2, 1, 3, 1, 50, 1, 3, 1, 2, 2, 2, 1, 3, 1, 50, 1, ...	[ "nonn", "cofr", "easy" ]
A363461	[ 2, 208, 388, 298, 838 ]	[ "nonn", "more" ]
A035118	[ 1, -72, 2484, -54528, 852426, -10055232, 92389176, -671302656, 3858182955, -17183392736, 55424393460, -98492944896, -138398873682, 1754429566464, -6543407393352, 11399973267456, 9872745919317, -120249696817008, 328342926322544, -252123333707520 ]	[ "sign", "easy" ]
A247176	[ 0, 1, 2, 3, 3, 5, 5, 7, 5, 7, 8, 11, 11, 5, 13, 13, 14, 11, 15, 17, 19, 19, 21, 23, 23, 19, 23, 23, 27, 23, 24, 29, 29, 31, 33, 31, 35, 33, 37, 37, 35, 31, 34, 41, 43, 43, 45, 43, 47, 47, 46, 45, 51, 47, 53, ...	[ "nonn", "easy" ]

A371828

[ 1, 2, 7, 54, 993, 48868 ]

[ "nonn", "more" ]

A188389

[ 52, 1750, 35775, 507549, 5442547, 46757209, 335279744, 2067951459, 11224133015, 54571222450, 241058398756, 978630346891, 3686088206746, 12983700750813, 43054563334197, 135177521790982, 403818954811225, 1152699706324158 ]

[ "nonn" ]

A342702

[ 1, 2, 4, 6, 12, 18, 24, 30, 48, 60, 78, 90, 120, 150, 180, 210, 330, 360, 390, 420, 630, 840, 1050, 1260, 1470, 1680, 1890, 2100, 2310, 3360, 3570, 3990, 4200, 4620, 5460, 6300, 6930, 9240, 10710, 10920, 11550, 13860, 16380, 17220...

[ "nonn" ]

A265989

[ 2, 6, 9, 4, 26, 5, 101, 17, 401, 65, 1601, 257, 6401, 1025, 25601, 4097, 102401, 16385, 409601, 65537, 1638401, 262145, 6553601, 1048577, 26214401, 4194305, 104857601, 16777217, 419430401, 67108865, 1677721601, 268435457, 6710886401, 1073741825 ]

[ "nonn" ]

A315855

[ 1, 6, 8, 11, 14, 22, 27, 26, 30, 36, 44, 50, 45, 50, 62, 67, 70, 66, 72, 88, 92, 85, 86, 98, 107, 110, 106, 108, 124, 132, 125, 126, 134, 143, 150, 146, 148, 160, 168, 165, 166, 174, 179, 186, 186, 188, 200, 204, 201, ...

[ "nonn" ]

A234934

[ 2, 10, 1, 20, 3, 29, 63, 18, 13, 68, 100, 4, 30, 5, 40, 6, 50, 7, 60, 8, 70, 9, 12, 79, 108, 72, 19, 78, 102, 80, 101, 89, 109, 23, 69, 27, 14, 28, 54, 17, 24, 58, 117, 124, 90, 11, 200, 15, 36, 26, 37, 126, 93, ...

[ "nonn", "base" ]

A091514

[ 2, 7, 23, 79, 1087, 66047, 263167, 16785407, 1073807359, 17180131327, 68720001023, 4398050705407, 70368760954879, 18014398777917440, 18446744082299486000, 5.070602400912922e+30 ]

[ "nonn" ]

A224007

[ 10, 100, 868, 7378, 62764, 534352, 4549684, 38737252, 329817976, 2808146488, 23909211472, 203568584872, 1733230255168, 14757125302768, 125645595288400, 1069775806044208, 9108319894356832, 77550352914336260, 660281732184575100 ]

[ "nonn" ]

A051745

[ 2, 8, 24, 60, 131, 258, 469, 800, 1296, 2012, 3014, 4380, 6201, 8582, 11643, 15520, 20366, 26352, 33668, 42524, 53151, 65802, 80753, 98304, 118780, 142532, 169938, 201404, 237365, 278286, 324663, 377024, 435930, 501976, 575792, 658044, 749435, ...

[ "easy", "nonn" ]

A074336

[ 1, 3, 7, 11, 13, 29, 37, 113, 121, 149, 151, 201, 219, 251, 451, 453, 573, 669, 689, 697, 749, 913, 969, 1157, 1269, 1503, 1531, 1809, 2087, 2163, 2179, 2511, 2537, 2599, 2709, 2789, 2929, 3243, 3989, 4033, 4151, 5019, 5389, 5423,...

[ "nonn", "base" ]

A091801

[ 8, 99, 995, 9996, 99990, 999999, 9999995, 99999983, 999999980, 9999999994, 99999999981, 999999999999, 9999999999984, 99999999999964, 999999999999960, 9999999999999954, 100000000000000000, 1000000000000000000 ]

[ "base", "nonn" ]

A180299

[ 1, 25652, 461175, 1740024, 3907995, 7391475, 13058840, 22225256, 36773397, 59366450, 93736500, 145044900, 220330110, 329064450, 483841800, 701220000, 1002744600, 1416183912, 1977008880, 2730155120, 3732108600, 5053360840 ]

[ "nonn" ]

A160066

[ 1, 44, 686, -79816, -6084404, 131366224, 43807638856, 942289429664, -341856105084784, -24464562920370496, 2769440413707518000, 427662414707762000000, -1.926265944133685e+22, -7.262493236035251e+24, -6.531486463827293e+24, 1.268062462262085e+29 ]

[ "sign", "frac" ]

A278536

[ 3, 1, 4, 1, 3, 4, 3, 1, 4, 1, 3, 4, 3, 1, 4, 1, 3, 4, 3, 1, 4, 1, 3, 4, 3, 1, 4, 1, 3, 4, 3, 1, 4, 1, 3, 4, 3, 1, 4, 1, 3, 4, 3, 1, 4, 1, 3, 4, 3, 1, 4, 1, 3, 4, 3, 1, 4, 1, 3, 4, 3, 1, 4, 1...

[ "nonn" ]

A376808

[ 1, 9, 2387, 655089857, 185543613289205820, 1.0610318694152432e+29, 2.1890075825659916e+44, 2.689595989958732e+63 ]

[ "nonn" ]

A336943

[ 797, 37, 13, 113, 29, 13, 73, 2593, 13, 41, 37, 13, 509, 57881, 13, 73, 293, 13, 29, 37, 13, 7555049, 53, 13, 41, 29, 13, 677, 37, 13, 8557781, 113, 13, 73, 41, 13, 397, 37, 13, 29, 1217, 13, 73, 9820301, 13, 113, 29, 13, ...

[ "nonn" ]

A082624

[ 7, 373, 30703, 3007003, 302070203, 30207570203, 3062075702603, 306020757020603, 30602075057020604, 3060320750570231000, 300603207505702300000, 3.0060320275057204e+22, 3.006032021750571e+24, 3.0060320212750573e+26, 3.004603202127506e+28 ]

[ "base", "nonn" ]

A350515

[ 0, 0, 1, 5, 1, 8, 3, 2, 4, 14, 3, 17, 6, 4, 7, 23, 5, 26, 9, 6, 10, 32, 7, 35, 12, 8, 13, 41, 9, 44, 15, 10, 16, 50, 11, 53, 18, 12, 19, 59, 13, 62, 21, 14, 22, 68, 15, 71, 24, 16, 25, 77, 17, 80, 27, 18, ...

[ "nonn", "easy" ]

A358807

[ 1, 0, 2, 86, 5911, 652189, 82173814 ]

[ "nonn", "hard", "more" ]

A250546

[ 1, 2, 5, 6, 25, 26, 33, 37, 57, 125, 126, 157, 244, 248, 268, 368, 625, 626, 657, 868, 1025, 1029, 1049, 1149, 1649, 3125, 3126, 3130, 3150, 3157, 3250, 3368, 3750, 4149, 6250, 7777, 7781, 7801, 7901, 8401, 10901, 15625, 15626, 15...

[ "nonn" ]

A139521

[ 2, 2, 3, 13, 257, 15131, 83002267, 1696274711037607, 6.238411799745773e+28, 3.602988210319403e+55 ]

[ "easy", "nonn", "frac" ]

A355616

[ 1, 1, 2, 3, 5, 6, 9, 11, 14, 15, 21, 23, 29, 31, 34, 38, 48, 49, 59, 63, 67, 71, 83, 86, 97, 100, 110, 115, 132, 133, 150, 158, 165, 169, 182, 187, 208, 213, 222, 228, 252, 254, 280, 287, 297, 304, 331, 337, 362, 367, ...

[ "nonn" ]

A220221

[ 1, 3, 5, 7, 9, 17, 23, 33, 65, 129, 257, 513, 1025, 2049, 4097, 8193, 16385, 32769, 65537, 131073, 262145, 524289, 1048577, 2097153, 4194305, 8388609, 16777217, 33554433, 67108865, 134217729, 268435457, 536870913, 1073741825, 2147483649, 4294967297...

[ "nonn", "base", "easy" ]

A152111

[ 0, 1, 2, 4, 8, 9, 16, 18, 32, 36, 64, 65, 72, 73, 128, 130, 144, 146, 256, 260, 288, 292, 512, 513, 520, 521, 576, 577, 584, 585, 1024, 1026, 1040, 1042, 1152, 1154, 1168, 1170, 2048, 2052, 2080, 2084, 2304, 2308, 2336, 2340, ...

[ "nonn", "easy" ]

A151292

[ 1, 2, 7, 23, 85, 314, 1207, 4682, 18493, 73688, 296671, 1202849, 4910689, 20158436, 83169871, 344628527, 1433631973, 5984532728, 25060514887, 105240685511, 443102517025, 1870054761632, 7909539602647, 33521289826778, 142330494633985, 605375433105734, 25789889791861...

[ "nonn", "walk" ]

A269311

[ 8, 18, 21, 160, 1590, 2420, 18620, 69229, 83790, 279964, 494520, 598810, 676450, 1183147, 4233720, 5600348, 14217074, 20025836, 64278677, 425208387, 604048830, 750851470, 1981942354 ]

[ "nonn", "base", "more" ]

A118467

[ 619, 1069, 1459, 1499, 1759, 1789, 2861, 3331, 3931, 4177, 4801, 4831, 5419, 6229, 6397, 8431, 8893, 9067, 9631, 11003, 11131, 11789, 12619, 14251, 15331, 15889, 16661, 17683, 17939, 18269, 18553, 19219, 19391, 19507, 20029, 20759, 22039, 221...

[ "nonn" ]

A211831

[ 1, 16, 157, 1254, 9068, 62617, 426022, 2913894, 20307833, 145503003, 1077731960, 8277491943, 66003259942, 546398875027, 4692545543444, 41760563809046, 384605668021029, 3660788725969481, 35964832246977676, 364242679197958100 ]

[ "nonn" ]

A079224

[ 1, 1, 2, 3, 8, 18, 43, 104, 273, 702, 1870, 4985, 13562, 37038, 102266, 283774, 793189, 2227115, 6286044, 17811751, 50672898, 144639235, 414181050, 1189365940, 3424477813, 9883578364, 28589660227, 82870288432, 240672107114 ]

[ "nonn" ]

A222418

[ 1802, 1810, 1813, 1818, 1821, 1826, 1829, 1837, 1840, 1843, 1845, 1848, 1851, 1856, 1859, 1864, 1867, 1870, 1872, 1875, 1878, 1883, 1886, 1889, 1894, 1897, 1902, 1905, 1908, 1913, 1916, 1924, 1927, 1932, 1935, 1938, 1940, 1943, 1946, 1951...

[ "nonn" ]

A170259

[ 1, 10, 90, 810, 7290, 65610, 590490, 5314410, 47829690, 430467210, 3874204890, 34867844010, 313810596090, 2824295364810, 25418658283290, 228767924549610, 2058911320946490, 18530201888518410, 166771816996665700 ]

[ "nonn" ]

A364726

[ 12, 24, 84, 120, 672, 24384, 43065, 78975, 81081, 261261, 523776, 9124731, 13398021, 69087249, 91963648, 459818240, 39142675143, 51001180160 ]

[ "nonn", "more" ]

A287431

[ 7, 21, 45, 129, 373, 1177, 3741, 12065, 38949, 125993, 407597, 1318961, 4268085, 13811769, 44695613, 144638017, 468058181, 1514668105, 4901568589, 15861809233, 51329892437, 166107021401, 537533612125, 1739495309409, 5629125066853, 18216231370857, 58948963008621 ]

[ "nonn", "easy" ]

A012966

[ 0, 2, -1, -8, 18, 306, -1905, -26532, 353388, 4334778, -110509245, -1021609008, 50779213254, 272982059658, -32111535861405, -11592260316252, 26485822571365080, -161024492765786940, -27356021208171990000 ]

[ "sign" ]

A321589

[ 1, 1, 13, 83, 1103, 11453, 127320, 1388914, 15330926, 167842605, 1845273115, 20252779428, 222470481108, 2442643290488, 26825729083460, 294573090471640, 3234887436123961, 35523266398630040, 390097222479871400, 4283805079495347000, 47042252237178800000 ]

[ "nonn" ]

A180328

[ 14, 15, 33, 35, 46, 51, 55, 62, 69, 77, 87, 94, 95, 115, 118, 119, 123, 141, 142, 143, 145, 155, 158, 159, 161, 166, 177, 187, 203, 205, 209, 213, 214, 221, 235, 249, 253, 254, 265, 267, 278, 287, 295, 299, 302, 303, 319, ...

[ "nonn" ]

A377633

[ 1, 2, 22, 474, 15512, 685450, 38251212, 2582466950, 204744089104, 18650699228754, 1919767092675860, 220378941471652930, 27916112634179590000, 3.868191824049866e+21, 5.8203439715351235e+23, 9.450903913032618e+25, 1.6472375319790735e+28, 3.067435511995844e+30 ]

[ "nonn" ]

A248323

[ 11, 12, 42, 84, 124, 135, 248, 325, 366, 510, 550, 555, 624, 650, 714, 1010, 1111, 1525, 1734, 2510, 3913, 4020, 5100, 5500, 5610, 5625, 8040, 11111, 13515, 16575, 21175, 24104, 25500, 28160, 34170, 35250, 35610, 36800, 37444, 44919, 50...

[ "nonn", "base" ]

A000002

[ 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1, 1, 2, 2, 1, 2, 1, 1, 2, 1, 2, 2, 1, 1, 2, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2, 1, 1, 2, 1, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1, 2, 2, 1...

[ "nonn", "core", "easy", "nice" ]

A347080

[ 0, 1, -1, -2, 2, 13, -16, -161, 170, 2647, -1711, -51248, 5711, 1103710, 599246, -25521869, -33907174, 620323849, 1410745127, -15678980390, -53746958146, 411344661913, 1998823108706, -11256049308869, -75003366373495, 323285264486686, 2904292324907387 ]

[ "sign" ]

A286250

[ 1, 2, 2, 4, 2, 2, 6, 2, 4, 6, 2, 2, 2, 6, 12, 6, 8, 2, 2, 2, 2, 16, 2, 6, 4, 6, 6, 2, 2, 30, 12, 6, 6, 4, 12, 6, 6, 6, 6, 6, 2, 2, 6, 6, 30, 2, 6, 2, 6, 6, 2, 6, 2, 6, 6, 6, 6, 2, 6, 6, 2, 12, ...

[ "nonn" ]

A220217

[ 1, 2, 2, 4, 6, 4, 7, 23, 23, 7, 12, 75, 179, 75, 12, 21, 241, 1220, 1220, 241, 21, 37, 777, 8293, 16465, 8293, 777, 37, 65, 2512, 56222, 218677, 218677, 56222, 2512, 65, 114, 8132, 381710, 2902395, 5674816, 2902395, 381710, 8132, ...

[ "nonn", "tabl" ]

A374957

[ 1, 1, 5, 2, 3, 8, 2, 4, 3, 5, 4, 8, 1, 2, 4, 3, 2, 5, 2, 6, 2, 0, 5, 7, 5, 1, 1, 1, 7, 7, 3, 4, 2, 7, 5, 5, 6, 7, 2, 2, 2, 5, 0, 9, 4, 3, 8, 0, 3, 1, 6, 0, 5, 8, 1, 0, 3, 1, 5, 5, 3, 1, 4, 8...

[ "nonn", "cons", "easy" ]

A347466

[ 1, 2, 2, 5, 2, 9, 2, 11, 5, 9, 2, 29, 2, 9, 9, 22, 2, 29, 2, 29, 9, 9, 2, 77, 5, 9, 11, 29, 2, 66, 2, 42, 9, 9, 9, 109, 2, 9, 9, 77, 2, 66, 2, 29, 29, 9, 2, 181, 5, 29, 9, 29, 2, 77, 9, 77, 9, 9, 2, ...

[ "nonn" ]

A072323

[ 610, 832040, 20365011074, 160500643816367100, 4660046610375530000, 4.073057959040806e+26, 1.5080434001680798e+35, 5.385223404303008e+38, 8.105590009602351e+28 ]

[ "base", "nonn" ]

A004482

[ 1, 2, 0, 4, 5, 3, 7, 8, 6, 10, 11, 9, 13, 14, 12, 16, 17, 15, 19, 20, 18, 22, 23, 21, 25, 26, 24, 28, 29, 27, 31, 32, 30, 34, 35, 33, 37, 38, 36, 40, 41, 39, 43, 44, 42, 46, 47, 45, 49, 50, 48, 52, 53, 51, 55...

[ "nonn", "easy", "base" ]

A032673

[ 3, 5, 11, 15, 27, 29, 33, 35, 41, 51, 59, 63, 69, 71, 89, 93, 95, 101, 105, 107, 117, 123, 147, 155, 167, 179, 183, 189, 197, 201, 203, 209, 219, 231, 233, 245, 249, 251, 261, 263, 275, 281, 285, 291, 303, 309, 323, 329, ...

[ "nonn", "base", "less" ]

A297424

[ -24, 128406630, -1695266465052058, -4.4671614740220236e+21, 2.6432026871288874e+27, 5.631587063815097e+33, -6.022712388820422e+39, 3.519878895631571e+45, 4.524937007894209e+50 ]

[ "sign" ]

A365129

[ 1, 2, 9, 44, 240, 1386, 8346, 51802, 329086, 2129330, 13984095, 92974510, 624568680, 4232731050, 28904102829, 198688337014, 1373763563150, 9547516671684, 66660156446189, 467342635522698, 3288691828900768, 23220922841177476, 164465227646878700 ]

[ "nonn" ]

A190787

[ 2, 8, 18, 32, 72, 128, 288, 512, 1152, 2048, 4608, 8192, 18432, 32768, 73728, 131072, 294912, 524288, 1179648, 2097152, 4718592, 8388608, 18874368, 33554432, 75497472, 134217728, 301989888, 536870912, 1207959552, 2147483648, 4831838208, 8589934592, 193...

[ "nonn" ]

A248278

[ 7, 4, 34, 1433, 3473810, 16229351336487, 9.495146358412302e+26, 2.889844410885035e+54, 9.030361042349459e+109 ]

[ "nonn" ]

A263018

[ 1, 3, 2, 7, 5, 11, 4, 15, 23, 47, 6, 95, 13, 27, 8, 31, 191, 383, 55, 767, 111, 223, 9, 1535, 447, 895, 14, 1791, 29, 59, 16, 63, 3071, 6143, 3583, 12287, 7167, 14335, 119, 24575, 28671, 57343, 239, 114687, 479, 959, 10, 4...

[ "nonn", "base" ]

A029887

[ 1, 11, 82, 515, 2934, 15694, 80324, 397923, 1922510, 9105690, 42438076, 195165646, 887516252, 3997537980, 17857602568, 79200753059, 349051186494, 1529735010658, 6670733733260, 28959032959962, 125209652884756, 539384745200516, 2315840230811832, 9912689725127950 ]

[ "nonn", "easy" ]

A031749

[ 5043, 20168, 45375, 80664, 126035, 181488, 247023, 322640, 408339, 504120, 609983, 725928, 851955, 988064, 1134255, 1290528, 1456883, 1633320, 1819839, 2016440, 2223123, 2439888, 2666735, 2903664, 3150675, 3407768, 3674943, 3952200, 4239539 ]

[ "nonn" ]

A150962

[ 1, 2, 9, 35, 166, 727, 3538, 16294, 80160, 378927, 1874930, 9000443, 44683110, 216630208, 1077697787, 5260220811, 26204060817, 128518455419, 640809487729, 3154046495137, 15736623881298, 77664193244089, 387673662776003, 1917272347984752, 9573667095262512, 47425770367...

[ "nonn", "walk" ]

A342957

[ 1, 2, 4, 15, 39, 87, 183, 951, 1255, 1527, 3063, 15335, 12279, 61431, 49143, 516047, 491495, 1703767, 1310695, 8257487, 3145719, 15728631, 12582903, 94371815, 50331639, 352321527, 335544295 ]

[ "nonn", "more" ]

A255578

[ 461574735553, 84154807001953, 973694665856161, 3060522900274753, 11861640972220320, 386096840467598600, 2322064552169233400, 7545246852649392000, 9688364125836900000, 10972742858243842000, 11660828668219468000, 16553878978808517000, 17905475062325518000 ]

[ "nonn" ]

A264556

[ 0, 93, 1204, 23140, 813473, 25172836, 591482528, 15554895920, 426023121887, 11212094301173, 288664400022091, 7526121840247476, 196724860860294900, 5099876575111215000, 131971387912281230000, 3.420386371154191e+21 ]

[ "nonn" ]

A335211

[ 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 2, 1, 1, 3, 1, 1, 1, 1, 1, 3, 1, 2, 2, 2, 1, 1, 2, 1, 2, 1, 1...

[ "nonn" ]

A147263

[ 1, 1, 1, 1, 1, 1, 1, 1, 9, 9, 33, 33, 105, 105, 825, 825, 13503, 13503, 390699, 390699, 9339771, 9339771 ]

[ "nonn" ]

A218405

[ 4, 47616, 293760, 1782144, 3485664, 134209536, 282977280, 746444160, 1459956960, 1684126080, 1716728832, 27298252800, 41233360896, 376591138560, 719045268480, 1622308746240, 38965526046720, 41769966551040, 985261739212800, 3067660098994176 ]

[ "nonn" ]

A126809

[ 3, 19, 119, 1688, 10794, 136121, 1530012, 18660270, 156001209, 1695509436, 11136696006, 102111268282, 1260654956982, 10725187563686, 147895359776637, 1313133218365935, 16250291773636036, 118166387818704590, 1860961545617561600, 15963377896404316000 ]

[ "nonn", "base" ]

A157893

[ 1, 2, 3, 2, 4, 3, 5, 3, 4, 3, 6, 4, 5, 4, 7, 4, 5, 4, 6, 4, 5, 4, 8, 5, 6, 5, 7, 5, 6, 5, 9, 5, 6, 5, 7, 5, 6, 5, 8, 5, 6, 5, 7, 5, 6, 5, 10, 6, 7, 6, 8, 6, 7, 6, 9, 6, 7, 6, 8, 6, 7, 6, 11, ...

[ "nonn" ]

A137210

[ 1, 84, 252, 12717, 177744, 189264, 143747328 ]

[ "nonn", "more" ]

A007158

[ 2, 10, 3866, 297538923922, 6.750897085400703e+35, 2.0208989911716276e+110 ]

[ "nonn" ]

A054796

[ 17, 19, 23, 25, 29, 35, 37, 47, 49, 59, 67, 73, 89, 107, 115, 127, 145, 149, 173, 179, 199, 217, 227, 257, 259, 289, 305, 323, 355, 359, 397, 409, 437, 467, 479, 523, 529, 569, 595, 617, 665, 667, 719, 739, 773, 817, 829, ...

[ "nonn" ]

A242786

[ 2, 3, 3, 43, 7, 41, 23, 643, 17, 557, 251, 13183, 1999, 10007, 107 ]

[ "nonn", "more", "hard" ]

A340357

[ 1, 3, 7, 20, 64, 232, 908, 3717, 15716, 67996, 299396, 1337022, 6040421, 27556567, 126762966, 587324586, 2738338960, 12837950292, 60483207417, 286206067039, 1359678614745, 6482510515788, 31006901328525, 148750651958227, 715545729962692, 3450638733403489 ]

[ "nonn" ]

A104299

[ 211, 853, 25841597987 ]

[ "nonn", "base" ]

A159891

[ 1, 1, 4, 4, 4, 1, 2, 2, 3, 1, 4, 7, 9, 8, 8, 6, 0, 8, 6, 6, 7, 3, 5, 1, 0, 0, 8, 2, 9, 5, 4, 0, 0, 3, 0, 0, 5, 2, 3, 9, 0, 1, 1, 8, 8, 7, 8, 4, 9, 2, 7, 5, 2, 1, 4, 2, 9, 0, 2, 5, 1, 8, 2, 0...

[ "cons", "nonn" ]

A069351

[ 2, 5, 7, 13, 19, 29, 43, 61, 83, 103, 107, 109, 137, 149, 197, 227, 263, 281, 283, 347, 349, 353, 389, 443, 457, 467, 479, 523, 541, 563, 569, 571, 587, 619, 643, 647, 653, 659, 677, 743, 761, 797, 811, 821, 827, 863, 883, ...

[ "nonn" ]

A330963

[ 0, 1, 1, 0, 1, 0, 3, 8, 1, 0, 0, 5, 0, 5, 5, 0, 1, 0, 0, 5, 0, 5, 5, 0, 9, 7, 5, 0, 7, 16, 27, 40, 1, 0, 0, 5, 0, 5, 5, 0, 0, 7, 5, 0, 7, 0, 11, 24, 0, 8, 5, 0, 7, 0, 0, 13, 20, 11, 0, 13, 0, 13...

[ "nonn", "base" ]

A306759

[ 3, 3, 1, 7, 5, 4, 4, 6, 6 ]

[ "nonn", "more", "cons" ]

A155735

[ 1, 5, 8, 8, 4, 8, 1, 5, 9, 2, 9, 7, 5, 3, 6, 5, 9, 3, 8, 3, 7, 4, 9, 3, 3, 9, 4, 5, 6, 5, 6, 9, 1, 9, 8, 2, 8, 4, 5, 0, 5, 9, 7, 0, 5, 6, 0, 5, 9, 6, 3, 1, 2, 5, 5, 6, 6, 5, 8, 9, 9, 5, 9, 2...

[ "nonn", "cons" ]

A010949

[ 1, 33, 528, 5456, 40920, 237336, 1107568, 4272048, 13884156, 38567100, 92561040, 193536720, 354817320, 573166440, 818809200, 1037158320, 1166803110, 1166803110, 1037158320, 818809200, 573166440, 354817320, 193536720, 92561040, 38567100, 13884156 ]

[ "nonn", "fini", "full", "easy" ]

A070474

[ 0, 1, 8, 3, 4, 5, 0, 7, 8, 9, 4, 11, 0, 1, 8, 3, 4, 5, 0, 7, 8, 9, 4, 11, 0, 1, 8, 3, 4, 5, 0, 7, 8, 9, 4, 11, 0, 1, 8, 3, 4, 5, 0, 7, 8, 9, 4, 11, 0, 1, 8, 3, 4, 5, 0, 7, 8, 9, 4, 11, 0, 1, 8...

[ "nonn", "easy" ]

A076274

[ 1, 3, 5, 9, 13, 21, 25, 33, 37, 45, 57, 61, 73, 81, 85, 93, 105, 117, 121, 133, 141, 145, 157, 165, 177, 193, 201, 205, 213, 217, 225, 253, 261, 273, 277, 297, 301, 313, 325, 333, 345, 357, 361, 381, 385, 393, 397, 421, ...

[ "nonn", "easy" ]

A268225

[ 1, 1, 5, 16, 55, 235, 1102, 5757, 33251 ]

[ "nonn", "more" ]

A196342

[ 13, 275, 3132, 53647, 869434, 13932416, 224664284, 3596759057, 57811730338, 929821862056, 14939206389945, 240046010119898, 3857530827560368, 61988984647826450, 996134711490423900, 16007484096536093000, 257233649380410400000, 4.1336346157461705e+21, 6.642575177883195e+22 ]

[ "nonn" ]

A161998

[ 2163, 2541, 2667, 4011, 5187, 5733, 5985, 7119, 7371, 7707, 8547, 10017, 10731, 12579, 13041, 13125, 13293, 14007, 14679, 15855, 16317, 16401, 16863, 17283, 19131, 19383, 20139, 20475, 21021, 21357, 22197, 22995, 23457, 23667, 24591, 25053, 253...

[ "nonn" ]

A089317

[ 151, 373, 95959, 9515959, 159595151, 159595951, 15151595951, 15951595151, 95951515159, 1515159515951, 1515959515951, 1515959595151, 1595159515151, 1595159595151, 9515151515159, 9515159515159, 9515159595959, 9595159515959 ]

[ "easy", "nonn", "base" ]

A152579

[ 51, 351, 851, 1551, 2451, 3551, 4851, 6351, 8051, 9951, 12051, 14351, 16851, 19551, 22451, 25551, 28851, 32351, 36051, 39951, 44051, 48351, 52851, 57551, 62451, 67551, 72851, 78351, 84051, 89951, 96051, 102351, 108851, 115551, 122451, 129551, 1...

[ "nonn", "easy" ]

A038691

[ 1, 3, 7, 13, 89, 2943, 2945, 2947, 2949, 2951, 2953, 50371, 50375, 50377, 50379, 50381, 50393, 50413, 50423, 50425, 50427, 50429, 50431, 50433, 50435, 50437, 50439, 50445, 50449, 50451, 50503, 50507, 50515, 50517, 50821, 50843, 50853, 50855, ...

[ "nonn" ]

A159015

[ 1, -6, 407, -357, 41483, -30583, 21019289, -1997177, 200758163, -141000363, 125429769517, -4618718797, 86138583685913, -1694601277343, -67473161580433, 636736947594783, 1156482071227275000, -457643653454013500, -6.7611584937901e+21, 395155414869373500000 ]

[ "sign", "frac" ]

A285277

[ 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1...

[ "nonn", "easy" ]

A159077

[ 1, 3, 4, 5, 6, 6, 8, 9, 10, 8, 12, 8, 14, 10, 9, 17, 18, 12, 20, 10, 11, 14, 24, 12, 26, 16, 28, 12, 30, 11, 32, 33, 15, 20, 13, 14, 38, 22, 17, 14, 42, 13, 44, 16, 15, 26, 48, 20, 50, 28, 21, 18, 54, 30, 17,...

[ "nonn" ]

A061160

[ 1, 1, 5, 50, 215, 646, 8711, 25475, 105925, 3091270, 11691247, 36809705, 445872155, 1364113925, 5085042010, 50975292560, 183383680088, 588817265695, 19512559194875, 62369303509475, 224877933068647, 2214198452392027, 7686538660149565, 25124342108522750 ]

[ "easy", "nonn", "frac" ]

A044607

[ 39, 103, 167, 231, 295, 319, 359, 423, 487, 551, 615, 679, 743, 807, 831, 871, 935, 999, 1063, 1127, 1191, 1255, 1319, 1343, 1383, 1447, 1511, 1575, 1639, 1703, 1767, 1831, 1855, 1895, 1959, 2023, 2087, 2151, 2215, 2279, 2343 ]

[ "nonn", "base" ]

A316711

[ 2, 1, 9, 1, 4, 8, 7, 8, 8, 3, 9, 5, 3, 1, 1, 8, 7, 4, 7, 0, 6, 1, 3, 5, 4, 2, 6, 8, 2, 2, 7, 5, 1, 7, 2, 9, 3, 4, 7, 4, 6, 9, 1, 0, 2, 1, 8, 7, 4, 2, 8, 8, 0, 9, 1, 0, 0, 9, 7, 8, 1, 3, 3, 8...

[ "nonn", "cons" ]

A193965

[ 1, 1, 3, 3, 10, 15, 4, 15, 26, 43, 7, 25, 43, 75, 120, 11, 40, 69, 120, 196, 318, 18, 65, 112, 195, 318, 520, 840, 29, 105, 181, 315, 514, 840, 1361, 2203, 47, 170, 293, 510, 832, 1360, 2203, 3570, 5775, 76, 275, 474, 82...

[ "nonn", "tabl" ]

A183865

[ 1, 4, 8, 13, 19, 27, 36, 46, 57, 69, 83, 98, 114, 131, 149, 169, 190, 212, 235, 259, 285, 312, 340, 369, 399, 431, 464, 498, 533, 569, 607, 646, 686, 727, 769, 813, 858, 904, 951, 999, 1049, 1100, 1152, 1205, 1259, 1315, 137...

[ "nonn", "easy" ]

A157402

[ 1, 1, 2, 1, 6, 10, 1, 24, 40, 80, 1, 80, 300, 400, 880, 1, 330, 2400, 3600, 5280, 12320, 1, 1302, 15750, 47600, 55440, 86240, 209440, 1, 5936, 129360, 588000, 837760, 1034880, 1675520, 4188800, 1, 26784, 1146040, 5856480 ]

[ "easy", "nonn", "tabl" ]

A024222

[ 0, 1, 2, 2, 4, 4, 3, 3, 6, 6, 10, 10, 12, 12, 4, 4, 8, 8, 18, 18, 6, 6, 11, 11, 20, 20, 18, 18, 28, 28, 5, 5, 10, 10, 12, 12, 36, 36, 12, 12, 20, 20, 14, 14, 12, 12, 23, 23, 21, 21, 8, 8, 52, 52, 20, 20, ...

[ "easy", "nonn" ]

A335305

[ 0, 0, 0, 0, 0, 0, 16128, 287232, 0, 0, 1843367680, 45589291776, 0, 0 ]

[ "nonn", "walk", "more" ]

A090584

[ 1, 0, 0, 1, 0, -1, 0, 1, -1, 1, 0, -1, 0, 2, -1, 1, 0, -1, 0, 3, -1, 1, 0, -1, 8, 1, -1, 1, 0, -1, 0, 4, -1, 2, 1, -1, 0, 1, -1, 483, 0, -1, 0, 1, -1, 1, 0, -1, 2, 1, -1, 1, 0, -1, 3, 1, -1, 6, 0, -...

[ "base", "sign" ]

A374459

[ 8, 24, 27, 32, 40, 54, 56, 88, 96, 104, 120, 125, 128, 135, 136, 152, 160, 168, 184, 189, 216, 224, 232, 243, 248, 250, 264, 270, 280, 296, 297, 312, 328, 343, 344, 351, 352, 375, 376, 378, 384, 408, 416, 424, 440, 456, 459,...

[ "nonn", "easy" ]

A040639

[ 25, 1, 3, 1, 2, 2, 2, 1, 3, 1, 50, 1, 3, 1, 2, 2, 2, 1, 3, 1, 50, 1, 3, 1, 2, 2, 2, 1, 3, 1, 50, 1, 3, 1, 2, 2, 2, 1, 3, 1, 50, 1, 3, 1, 2, 2, 2, 1, 3, 1, 50, 1, 3, 1, 2, 2, 2, 1, 3, 1, 50, 1, ...

[ "nonn", "cofr", "easy" ]

A363461

[ 2, 208, 388, 298, 838 ]

[ "nonn", "more" ]

A035118

[ 1, -72, 2484, -54528, 852426, -10055232, 92389176, -671302656, 3858182955, -17183392736, 55424393460, -98492944896, -138398873682, 1754429566464, -6543407393352, 11399973267456, 9872745919317, -120249696817008, 328342926322544, -252123333707520 ]

[ "sign", "easy" ]

A247176

[ 0, 1, 2, 3, 3, 5, 5, 7, 5, 7, 8, 11, 11, 5, 13, 13, 14, 11, 15, 17, 19, 19, 21, 23, 23, 19, 23, 23, 27, 23, 24, 29, 29, 31, 33, 31, 35, 33, 37, 37, 35, 31, 34, 41, 43, 43, 45, 43, 47, 47, 46, 45, 51, 47, 53, ...

[ "nonn", "easy" ]