id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A233544
[ 0, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 2, 2, 2, 2, 1, 1, 3, 2, 2, 2, 2, 2, 1, 1, 2, 3, 2, 1, 2, 1, 2, 2, 1, 2, 2, 2, 4, 3, 2, 3, 2, 3, 4, 2, 1, 3, 3, 3, 4, 2, 2, 2, 3, 1, 5, 4, 2, 4, 2, 4, 3, 2, 4...
[ "nonn" ]
A386883
[ 0, 1, 0, -1, 0, -1, -2, -1, -2, -1, -2, -1, -2, -3, -2, -3, -2, -3, -2, -3, -2, -3, -2, -3, -2, -3, -2, -3, -2, -3, -2, -3, -2, -3, -4, -3, -4, -3, -4, -3, -4, -3, -4, -3, -4, -3, -4, -3, -4, -3, -4, -3, -4, -3...
[ "sign" ]
A291476
[ 25, 25, 25, 20, 25, 25, 7, 8, 9, 10, 11, 12, 13, 7, 15, 8, 17, 9, 19, 10, 7, 11, 23, 8, 25, 13, 9, 7, 25, 10, 25, 8, 11, 17, 7, 9, 25, 19, 13, 8, 25, 7, 25, 11, 9, 23, 25, 8, 7, 10, 17, 13, 25, 9, 11, 7, ...
[ "nonn" ]
A131907
[ 194315, 295301, 2953010, 1181204, 1476505, 1886920, 2067107, 2362408, 2526095, 2953010, 3248311, 3691985, 3838913, 4134214, 4469245, 4724816, 5020117, 5610719, 5635135, 5906020, 6023765, 6496622, 6791923, 7382525, 7677826 ]
[ "nonn" ]
A087030
[ 3, 4, 7, 6, 9, 8, 15, 14, 13, 12, 15, 14, 21, 20, 19, 18, 21, 20, 27, 26, 25, 24, 35, 34, 33, 32, 31, 30, 33, 32, 43, 42, 41, 40, 39, 38, 45, 44, 43, 42, 45, 44, 51, 50, 49, 48, 59, 58, 57, 56, 55, 54, 65, 64, ...
[ "easy", "nonn" ]
A277519
[ 1, 2, 3, 4, 6, 8, 5, 20, 22, 21, 23, 24, 25, 26, 28, 27, 40, 42, 44, 29, 46, 48, 60, 62, 41, 43, 64, 45, 66, 68, 47, 80, 82, 84, 49, 86, 88, 200, 201, 61, 63, 202, 7, 204, 206, 65, 208, 203, 220, 9, 222, 224, 226...
[ "nonn", "base" ]
A146623
[ 1, 1, 1, 1, 1, 1, 1, 3, 1, 5, 1, 7, 5, 21, 13, 69, 33, 309, 131, 1529, 465, 8153, 2505, 52849, 18109, 418127, 137539, 4312045, 1253575, 52848473 ]
[ "nonn" ]
A282786
[ 1, 8, 73, 318, 1747, 8216, 38027, 173722, 773529, 3412416, 14880845, 64319686, 276057515, 1177345064, 4994757435, 21091941082, 88706514017, 371741444080, 1552891025645, 6468454612966, 26874623008899, 111396556833528 ]
[ "nonn" ]
A169792
[ 1, 5, 20, 70, 225, 681, 1970, 5500, 14920, 39520, 102592, 261760, 657920, 1632000, 4001280, 9708544, 23336960, 55623680, 131563520, 309002240, 721092608, 1672806400, 3859415040, 8859156480, 20240138240, 46038777856, 104291368960, 235342397440, 529153392640 ]
[ "nonn", "easy" ]
A066208
[ 1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 23, 25, 31, 32, 34, 40, 41, 44, 46, 47, 50, 55, 59, 62, 64, 67, 68, 73, 80, 82, 83, 85, 88, 92, 94, 97, 100, 103, 109, 110, 115, 118, 121, 124, 125, 127, 128, 134, 136, 137, 1...
[ "nonn" ]
A237813
[ 2, 11, 23, 29, 41, 83, 89, 113, 131, 179, 191, 281, 293, 359, 419, 431, 491, 509, 593, 641, 653, 683, 719, 1019, 1049, 1103, 1229, 1289, 1409, 1451, 1511, 1583, 1601, 1811, 1889, 1931, 2003, 2039, 2069, 2129, 2141, 2273, 2393, 239...
[ "nonn" ]
A328847
[ 0, 0, 1, 1, 2, 1, 2, 1, 3, 3, 2, 1, 3, 1, 4, 3, 3, 1, 4, 1, 3, 4, 4, 1, 3, 3, 3, 4, 4, 1, 3, 1, 4, 3, 5, 3, 3, 1, 5, 4, 3, 1, 4, 1, 3, 3, 4, 1, 3, 4, 3, 3, 6, 1, 5, 3, 4, 5, 4, 1, 3, 1, 5, 3...
[ "nonn" ]
A323085
[ 4, 14, 8567, 16499, 151211, 344891, 418831, 585197, 1049882, 1186582, 1671029, 2503966, 2989387, 4802311, 8291795, 9769711, 11420129, 13279957, 13677063, 15356513, 16258813, 24318863, 26874293, 39317497, 42862751 ]
[ "nonn" ]
A307934
[ 0, 1, 4, 96, 25376, 32132352, 1295557991168, 229067542255136770, 2.6276122201123347e+24 ]
[ "nonn", "hard", "more" ]
A130166
[ 1, 2, 3, 5, 11, 31, 127, 709, 5381, 2621, 4591, 4327, 2179, 1063, 307, 2027, 103, 563, 4091, 467, 3319, 2113, 617, 4549, 3967, 7607, 4463, 3299, 1979, 7717, 5431, 3001, 2, 3, 5, 11, 31, 127, 709, 5381, 2621, 4591, 4327, 2179, 10...
[ "nonn", "less", "easy" ]
A337909
[ 1, 2, 4, 3, 8, 7, 6, 5, 16, 15, 14, 13, 12, 11, 10, 9, 32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, 48, 47, 46, 45, 44, 43, 4...
[ "nonn" ]
A164089
[ 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 2, 2, 3, 3, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 1...
[ "base", "easy", "nonn" ]
A355241
[ 1, 1, 2, 1, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 6, 2, 2, 1, 1, 6, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1, 1, 6, 1, 2, 1, 2, 2, 1, 2, 6, 2, 2, 2, 2, 2, 2, 1, 1, 6, 6, 2, 1, 2, 1, 2, 2, 1, 2, 6, 2, 2, 1, 2...
[ "nonn", "tabl" ]
A006025
[ 1, 1, 3, 54, 3750, 1009680, 1058347920, 4375678520640, 71934792452208000, 4.719774805970453e+21, 1.237727595442264e+27, 1.2980061341637628e+33, 5.44443220021973e+39 ]
[ "nonn" ]
A018494
[ 1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510 ]
[ "nonn", "fini", "full" ]
A032675
[ 1, 3, 7, 19, 21, 27, 31, 39, 49, 57, 61, 67, 85, 91, 93, 99, 109, 111, 121, 123, 133, 153, 163, 171, 175, 183, 187, 199, 213, 223, 229, 235, 243, 259, 261, 289, 297, 301, 307, 313, 325, 339, 351, 355, 363, 381, 403, 405, ...
[ "nonn", "base", "less" ]
A202184
[ 1, 0, 1, 0, 0, 1, 24, 0, 0, 1, -60, 120, 0, 0, 1, 240, -360, 360, 0, 0, 1, 1260, 1680, -1260, 840, 0, 0, 1, -12096, 30240, 6720, -3360, 1680, 0, 0, 1, 105840, -290304, 226800, 20160, -7560, 3024, 0, 0, 1, -388800, 2721600, ...
[ "sign", "tabl" ]
A147516
[ 1, 3, 9, 15, 27, 45, 81, 105, 135, 225, 243, 315, 405, 675, 729, 945, 1155, 1215, 1575, 2025, 2187, 2835, 3375, 3465, 3645, 4725, 6075, 6561, 8505, 10125, 10395, 10935, 11025, 14175, 15015, 17325, 18225, 19683, 23625, 25515, 30375, 31...
[ "nonn" ]
A079338
[ 2, 3, 6, 8, 9, 10, 11, 13, 17, 18, 19, 24, 27, 28, 30, 31, 33, 35, 36, 40, 42, 44, 47, 53, 54, 57, 58, 59, 60, 61, 62, 63, 65, 66, 67, 68, 69, 72, 73, 80, 82, 83, 85, 86, 87, 89, 90, 93, 94, 96, 98, 100, 101, 1...
[ "nonn" ]
A304701
[ 3, 51, 46, 215, 908, 5232, 19701, 135455, 872954, 4460213, 28861276, 182319313, 1043954782, 6559780616, 40608072614, 242771829978, 1502847915709, 9234685790042, 56064025371157, 344833181614977, 2113754951173744 ]
[ "nonn" ]
A382489
[ 1, 2, 2, 2, 2, 4, 1, 2, 2, 4, 1, 4, 1, 2, 4, 2, 1, 4, 1, 4, 2, 2, 1, 4, 2, 2, 2, 2, 1, 8, 1, 2, 2, 2, 2, 4, 1, 2, 2, 4, 1, 4, 1, 2, 4, 2, 1, 4, 1, 4, 2, 2, 1, 4, 2, 2, 2, 2, 1, 8, 1, 2, 2, 2...
[ "nonn", "easy", "mult" ]
A073833
[ 1, 2, 5, 29, 941, 969581, 1014556267661, 1.0993317375225484e+24, 1.2805905103889591e+48, 1.7269990380669436e+96 ]
[ "frac", "nonn" ]
A022106
[ 1, 16, 17, 33, 50, 83, 133, 216, 349, 565, 914, 1479, 2393, 3872, 6265, 10137, 16402, 26539, 42941, 69480, 112421, 181901, 294322, 476223, 770545, 1246768, 2017313, 3264081, 5281394, 8545475, 13826869 ]
[ "nonn", "easy" ]
A101250
[ 71119, 71129, 71143, 71147, 71153, 71161, 71167, 71171, 711131, 711163, 711173, 711181, 711223, 711307, 711317, 711353, 711397, 711409, 711463, 711479, 711499, 711509, 711523, 711563, 711577, 711617, 711653, 711691, 711701, 711709, 711727 ]
[ "nonn", "easy", "base" ]
A212506
[ 0, 1, 16, 64, 196, 441, 900, 1600, 2704, 4225, 6400, 9216, 12996, 17689, 23716, 30976, 40000, 50625, 63504, 78400, 96100, 116281, 139876, 166464, 197136, 231361, 270400, 313600, 362404, 416025, 476100, 541696, 614656, 693889, 781456 ]
[ "nonn", "easy" ]
A337860
[ 3, 5, 13, 27, 65, 145, 361, 855, 2163, 5303, 13419, 33195, 84159, 210765, 536871, 1356153, 3466533, 8799247, 22541583, 57428441, 147423495, 376838119, 969292869, 2484478265, 6401330591, 16445203213, 42434086359, 109225591309, 282209330237 ]
[ "nonn", "more", "walk" ]
A135552
[ 1, 4, -1, 11, -6, 1, 26, -22, 8, -1, 57, -64, 37, -10, 1, 120, -163, 130, -56, 12, -1, 247, -382, 386, -232, 79, -14, 1, 502, -848, 1024, -794, 378, -106, 16, -1, 1013, -1816, 2510, -2380, 1471, -576, 137, -18, 1, 2036, -379...
[ "tabl", "sign" ]
A075931
[ 0, 31, 227, 252, 805, 826, 966, 985, 1354, 1365, 1449, 1462, 1647, 1648, 1676, 1683, 6182, 6201, 6341, 6362, 6915, 6940, 7136, 7167, 7532, 7539, 7567, 7568, 7753, 7766, 7850, 7861, 10315, 10324, 10408, 10423, 11118, 11121, 11149, 11154 ]
[ "nonn", "base" ]
A013347
[ 2, 8, 226, 13264, 1040866, 128181272, 21880956098, 4957876255136, 1441276692392770, 522786344819213630, 231464628933637000000, 1.2285546880010503e+23, 7.700492844883474e+25 ]
[ "nonn" ]
A308262
[ 0, 1, 5, 6, 10, 11, 25, 36, 50, 51, 60, 61, 100, 101, 110, 111, 250, 251, 360, 361, 425, 500, 501, 510, 511, 600, 601, 610, 611, 936, 1000, 1001, 1010, 1011, 1100, 1101, 1110, 1111, 1936, 2500, 2501, 2510, 2511, 3600, 3601, 36...
[ "nonn", "base" ]
A182423
[ 0, 2, 0, 1, 1, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 2, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 3, 0, 1, 0, 3, 0, 0, 0, 0, 0, 2, 2, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 2...
[ "nonn" ]
A177373
[ 1, 2, 6, 36, 252, 2520, 27720, 388080, 5821200, 104781600, 1990850400, 43798708800, 1007370302400, 26191627862400, 707173952284800, 21215218568544000, 657671775624864000, 22360840371245375000, 782629412993588100000, 2.973991769375635e+22 ]
[ "nonn", "easy" ]
A200562
[ 1, -1, 3, 3, -5, 35, -21, 51, 187, -253, 1035, -45, 91, 8099, -8277, 25203, 23035, -38845, 286539, -179949, 442267, 1490147, -2045205, 8563635, -732869, 1498499, 65544843, -68410797, 211488475, 176048675, -300358101, 2344363251, -1536690053, 38225517...
[ "sign", "easy" ]
A298906
[ 1, 1, 1, 4, 2, 1, 77, 29, -4289, -14836, 283812, 1316855, -16548717, -292820579, 911200565, 52594983250, 100157634380, -3444629077653, 7961210574683, -2170805244559295, -41176659971108700, 348776485253486300, 35663019455311634000, 513993485453689400000 ]
[ "sign" ]
A200984
[ 10, 10, 20, 79, 21, 226, 157, 227, 678, 120, 1272, 789, 1015, 2697, 404, 4232, 2484, 3008, 7496, 1025, 10650, 6050, 7060, 16895, 2181, 22530, 12525, 14255, 33174, 4116, 42336, 23177, 25907, 59073, 7120, 72992, 39504, 43560, 97792, 11529, ...
[ "nonn" ]
A383711
[ 0, 0, 0, 0, 1, 0, 1, 1, 3, 3, 4, 6, 10, 11, 17, 19, 30, 36, 51, 61, 84, 96, 133, 160, 209, 253, 325, 393, 488, 598, 744 ]
[ "nonn", "more" ]
A052652
[ 0, 0, 0, 0, 24, 240, 2880, 40320, 645120, 11612160, 232243200, 5109350400, 122624409600, 3188234649600, 89270570188800, 2678117105664000, 85699747381248000, 2913791410962432000, 104896490794647550000 ]
[ "easy", "nonn" ]
A367865
[ 1, 3, 7, 3, 21, 21, 43, 3, 7, 63, 111, 21, 157, 129, 147, 3, 273, 21, 343, 63, 301, 333, 507, 21, 21, 471, 7, 129, 813, 441, 931, 3, 777, 819, 903, 21, 1333, 1029, 1099, 63, 1641, 903, 1807, 333, 147, 1521, 2163, 21, 43,...
[ "nonn", "easy", "mult" ]
A271766
[ 1, 0, 0, 0, 0, 0, 10395, 0, 0, 0, 0, 0, 383563180, 523783260, 6547290750, 3055402350, 157964301495, 14054850810, 34828180582195, 91670862398500, 448593283888750, 11612610774464700, 7681370284312725, 6594450798260325, 179804372693675470000, 11896760875264766000 ]
[ "nonn" ]
A164802
[ 9, 1, 5, 15, 30, 19, 29, 21, 25, 31, 35, 45, 55, 121, 125, 131, 135, 145, 155, 231, 235, 245, 255, 355, 445, 455 ]
[ "nonn", "word", "more" ]
A179338
[ 1, 91, 131, 401, 481, 931, 1051, 1681, 1841, 2651, 2851, 3841, 4081, 5251, 5531, 6881, 7201, 8731, 9091, 10801, 11201, 13091, 13531, 15601, 16081, 18331, 18851, 21281, 21841, 24451, 25051, 27841, 28481, 31451, 32131, 35281, 36001, 39331 ]
[ "nonn", "easy" ]
A388413
[ 1, 8, 66, 552, 4659, 39600, 338500, 2907056, 25064037, 216817784, 1880966278, 16358549784, 142577777943, 1245062133216, 10891044705672, 95413345932000, 837034206426825, 7352155823473512, 64650862500246470, 569087722332814700, 5014087463301242000 ]
[ "nonn" ]
A316530
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 19, 20, 21, 23, 26, 27, 29, 31, 32, 33, 34, 35, 37, 38, 41, 42, 43, 45, 46, 47, 49, 53, 57, 59, 60, 63, 65, 68, 72, 76, 93, 94, 102, 103, 110, 121, 124, 13...
[ "nonn" ]
A346491
[ 1, 1, 1, 1, 1, 3, 1, 2, 2, 2, 1, 29, 1, 2, 5, 5, 1, 21, 2, 15, 5, 2, 1, 719, 4, 2, 15, 15, 1, 296, 2, 15, 5, 2, 5, 4323, 5, 5, 5, 203, 2, 296, 1, 52, 52, 5, 1, 32653, 5, 135, 5, 15, 2, 1315, 15, 566, 52, ...
[ "nonn" ]
A349806
[ 14, 11, 6, 5, 8, 3, 2, 1, 4, 11, 2, 1, 8, 5, 10, 3, 2, 3, 4, 3, 4, 1, 4, 3, 4, 3, 2, 1, 2, 1, 4, 3, 10, 1, 2, 3, 2, 13, 6, 3, 4, 1, 2, 1, 6, 1, 6, 1, 6, 1, 2, 1, 2, 5, 2, 3, 12, 1, 6, 1, 16, 1, ...
[ "nonn" ]
A076930
[ 1, 2, 9, 4, 625, 7776, 117649, 32, 2187, 1000000000, 25937424601, 181398528, 23298085122481, 793714773254144, 29192926025390624, 4096, 48661191875666870000, 5642219814912, 1.0412735029791125e+23 ]
[ "nonn" ]
A387191
[ 2, 6, 7, 7, 9, 4, 5, 0, 4, 4, 5, 8, 8, 9, 8, 7, 1, 2, 2, 2, 4, 8, 3, 8, 7, 1, 5, 1, 8, 1, 8, 2, 8, 8, 4, 8, 2, 1, 6, 8, 6, 3, 2, 3, 4, 5, 0, 8, 8, 9, 8, 5, 5, 5, 7, 1, 6, 4, 0, 1, 1, 5, 0, 3...
[ "nonn", "cons", "easy" ]
A058970
[ 1, 4, 16, 16, 32, 256, 256, 256, 512, 2048, 512, 4096, 65536, 65536, 65536, 16384, 131072, 524288, 131072, 1048576, 8388608, 2097152, 8388608, 16777216, 67108864, 16777216, 134217728, 4294967296, 4294967296, 4294967296 ]
[ "nonn", "easy", "frac" ]
A281505
[ 3, 5, 9, 11, 15, 19, 21, 25, 29, 35, 39, 45, 49, 51, 55, 59, 61, 65, 69, 71, 75, 79, 85, 91, 95, 99, 101, 105, 115, 121, 129, 131, 139, 141, 145, 159, 165, 169, 171, 175, 181, 189, 195, 199, 201, 205, 209, 215, 219, 22...
[ "nonn" ]
A319269
[ 1, 1, 1, 2, 1, 2, 1, 3, 2, 2, 1, 3, 1, 2, 2, 4, 1, 3, 1, 3, 2, 2, 1, 5, 2, 2, 3, 3, 1, 5, 1, 4, 2, 2, 2, 7, 1, 2, 2, 5, 1, 5, 1, 3, 3, 2, 1, 7, 2, 3, 2, 3, 1, 5, 2, 5, 2, 2, 1, 9, 1, 2, 3, 8...
[ "nonn" ]
A177074
[ 15, 285, 2985, 29985, 299985, 2999985, 29999985, 299999985, 2999999985, 29999999985, 299999999985, 2999999999985, 29999999999985, 299999999999985, 2999999999999985, 29999999999999984, 300000000000000000 ]
[ "nonn", "easy" ]
A374523
[ 1, 4, 78, 821656 ]
[ "nonn", "more" ]
A304308
[ 32, 569, 3270, 22089, 145369, 989406, 6692008, 45578982, 310837633, 2122468415, 14501325198, 99120478481, 677647417021, 4633515032396, 31685001504959, 216680410191236, 1481835432845882, 10134192131855134, 69308068436080264 ]
[ "nonn" ]
A338965
[ 1, 9.23074997074434e+31, 1.2479238193850216e+53, 1.2269771283183225e+68 ]
[ "nonn", "easy" ]
A038928
[ 3, 5, 7, 13, 29, 41, 59, 71, 73, 79, 83, 103, 109, 113, 131, 137, 181, 191, 193, 229, 233, 239, 251, 257, 263, 271, 281, 283, 293, 307, 313, 317, 331, 347, 349, 373, 379, 383, 389, 409, 421, 431, 433, 439, 449 ]
[ "nonn" ]
A309407
[ 1, 2, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, ...
[ "nonn", "easy" ]
A145030
[ 0, 1, 2, 3, 4, 5, 15, 30, 59, 116, 229, 454, 903, 1791, 3552, 7045, 13974, 27719, 54984, 109065, 216339, 429126, 851207, 1688440, 3349161, 6643338, 13177611, 26138883, 51848640, 102846073, 204003706, 404658251, 802673164, 1592168717, 3158198551 ]
[ "nonn", "easy" ]
A008840
[ 0, 1, 1, 2, 3, 7, 30, 716 ]
[ "nonn", "hard", "nice", "more" ]
A107717
[ 1, 3, 1, 21, 6, 1, 219, 57, 9, 1, 2973, 723, 111, 12, 1, 49323, 11361, 1713, 183, 15, 1, 964173, 212151, 31575, 3351, 273, 18, 1, 21680571, 4584081, 675489, 71391, 5799, 381, 21, 1, 551173053, 112480887, 16442823, 1732881, 140529, 921...
[ "nonn", "tabl" ]
A057237
[ 1, 1, 2, 1, 4, 1, 6, 1, 2, 1, 10, 1, 12, 1, 2, 1, 16, 1, 18, 1, 2, 1, 22, 1, 4, 1, 2, 1, 28, 1, 30, 1, 2, 1, 4, 1, 36, 1, 2, 1, 40, 1, 42, 1, 2, 1, 46, 1, 6, 1, 2, 1, 52, 1, 4, 1, 2, 1, 58, 1, 60,...
[ "nonn" ]
A039919
[ 0, 1, 5, 21, 86, 355, 1488, 6335, 27352, 119547, 528045, 2353791, 10575810, 47849685, 217824285, 996999525, 4585548680, 21182609875, 98236853415, 457211008415, 2134851575050, 9997848660345, 46949087361550, 221022160284101, 1042916456739696, 4931673470809525, 23367...
[ "nonn", "easy" ]
A236460
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 2, 1, 0, 1, 2, 2, 2, 1, 1, 2, 0, 4, 1, 2, 1, 5, 2, 1, 3, 1, 1, 3, 2, 6, 3, 0, 2, 5, 5, 6, 3, 4, 5...
[ "nonn" ]
A336042
[ 1, 6, 90, 1031, 1099 ]
[ "nonn", "more" ]
A136082
[ 3, 11, 17, 23, 41, 53, 59, 107, 131, 167, 173, 179, 191, 257, 263, 269, 389, 401, 431, 461, 467, 479, 521, 563, 569, 599, 647, 653, 677, 683, 719, 773, 821, 839, 857, 887, 947, 971, 1031, 1049, 1061, 1091, 1103, 1151, 1181, 12...
[ "nonn" ]
A145882
[ 1, 1, 1, 2, 1, 5, 5, 1, 1, 14, 30, 14, 1, 1, 29, 147, 155, 28, 1, 64, 586, 1208, 605, 56, 1, 127, 2133, 7819, 7819, 2133, 127, 1, 1, 262, 7288, 44074, 78190, 44074, 7288, 262, 1, 1, 517, 23893, 227569, 655315, 655039, 2276...
[ "nonn", "tabf" ]
A256362
[ 125, 325, 370, 793, 845, 1125, 1445, 2080, 2125, 2925, 3125, 3200, 3725, 3757, 5050, 5265, 6125, 6250, 6845, 7605, 8125, 8405, 10125, 10261, 10440, 10625, 11250, 13005, 13690, 14365, 15125, 15925, 18785, 22100 ]
[ "nonn", "base" ]
A232585
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[ "nonn" ]
A123395
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[ "nonn", "easy" ]
A358730
[ 1, 4, 8, 16, 27, 54, 81, 162, 243, 486, 729, 1458, 2187, 4374, 6561, 13122, 19683, 39366, 59049 ]
[ "nonn", "more" ]
A052747
[ 0, 0, 0, 6, 12, 40, 180, 1008, 6720, 51840, 453600, 4435200, 47900160, 566092800, 7264857600, 100590336000, 1494484992000, 23712495206400, 400148356608000, 7155594141696000, 135161222676480000, 2688996956405760000, 56200036388880380000, 1.2310484161373798e+21 ]
[ "easy", "nonn" ]
A070793
[ 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 198, 297, 396, 495, 594, 693, 792, 891, 990, 1017, 1035, 1044, 1089, 1107, 1125, 1134, 1179, 1215, 1224, 1269, 1305, 1314, 1359, 1404, 1449, 1539, 1629, 1719, 1809, 1899, 1989, 2016, 2034...
[ "base", "nonn" ]
A132639
[ 1, 1, 4, 3125, 11112006825558016 ]
[ "nonn" ]
A382760
[ 0, 1, 2, 1, 3, 2, 2, 1, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4...
[ "nonn", "tabf" ]
A226329
[ 0, 2, 3, 5, 8, 10, 13, 17, 21, 25, 30, 35, 41, 47, 53, 60, 67, 75, 83, 91, 100, 110, 119, 130, 140, 151, 163, 175, 187, 200, 213, 227, 241, 256, 271, 286, 302, 319, 336, 353, 371, 389, 407, 426, 446, 466, 486, 507, 529, ...
[ "nonn" ]
A120377
[ 241, 428717761 ]
[ "nonn", "hard", "bref" ]
A103684
[ 1, 1, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 3, 1, 1, 2, 1, 2, 1, 2, 1, 3, 1, 2, 1, 2, 1, 3, 1, 2, 1, 3, 1, 2, 1, 3, 1, 2, 1, 1, 1, 2, 1, 2, 1, 2, 1, 3, 1, 2, 1, 2, 1, 3, 1, 2, 1, 3, 1, 2, 1, 3, 1, 2...
[ "nonn", "tabf" ]
A096456
[ 1, 2, 3, 11, 344, 355, 51819, 52174, 260515, 573204, 4846147, 5419351, 37362253, 42781604, 122925461, 411557987, 534483448, 2549491779, 3083975227, 17969367914, 21053343141, 881156436695, 902209779836, 2685575996367 ]
[ "nonn", "frac", "easy" ]
A346072
[ 3, 16, 21, 36, 45, 57, 69, 77, 95, 99, 100, 133, 139, 141, 185, 217, 247, 271, 349, 812, 834, 882, 884, 1012, 1018, 1078, 1138, 1198, 1256, 1404, 1478, 1936, 1985, 2263, 2345, 2381, 2477, 2489, 2549, 2583, 2631, 2847, 2855, 2857, ...
[ "nonn" ]
A121172
[ 1, 1, 3, 7, 7, 22, 3, 6, 6, 3, 19, 18, 4, 39, 6, 13, 37, 15, 15, 6, 16, 9, 96, 61, 19, 6, 9, 3, 33, 63, 57, 117, 55, 49, 30, 3, 28, 6, 42, 24, 36, 72, 21, 60, 6, 24, 33, 61, 21, 85, 31, 49, 13, 93, 18, 90, ...
[ "nonn" ]
A326066
[ 0, 2, 3, 4, 5, 8, 7, 8, 9, 12, 11, 16, 13, 16, 18, 16, 17, 26, 19, 24, 24, 24, 23, 32, 25, 28, 27, 32, 29, 48, 31, 32, 36, 36, 40, 52, 37, 40, 42, 48, 41, 64, 43, 48, 54, 48, 47, 64, 49, 62, 54, 56, 53, 80, 6...
[ "nonn" ]
A259757
[ 1, 1, 2, 8, 35, 169, 862, 4575, 24999, 139700, 794684, 4586377, 26788423, 158054285, 940603900, 5639481930, 34032324940, 206550445064, 1259975808104, 7720835953740, 47504293931640, 293357473042545, 1817649401577760, 11296505623845080, 70402438290940450, 439888817329...
[ "nonn" ]
A338752
[ 1, 1, 2, 6, 23, 103, 513, 2762, 15796, 94869, 593701, 3850196, 25770934, 177508708, 1255390070, 9100474770, 67530683238, 512436850330, 3973057855227, 31453319307023, 254112879952118, 2094123401459149, 17596001216448572, 150694616625368000 ]
[ "nonn" ]
A262164
[ 1, 1, 2, 4, 16, 54, 324, 1532, 12256, 74512, 745120, 5536752, 66441024, 583466480, 8168530720, 82769713504, 1324315416064, 15208157533440, 273746835601920, 3513491887566848, 70269837751336960, 996837786288583200, 21930431298348830000, 340730692136161840000 ]
[ "nonn" ]
A313963
[ 1, 5, 10, 17, 21, 27, 31, 38, 43, 50, 53, 59, 63, 72, 75, 83, 85, 92, 97, 103, 107, 114, 117, 127, 129, 136, 139, 145, 151, 158, 161, 169, 171, 180, 183, 189, 193, 200, 205, 213, 215, 222, 225, 233, 237, 244, 247, 255, 2...
[ "nonn" ]
A289678
[ 1, 1, 3, 6, 15, 42, 131, 442, 1551, 5723, 22171, 89156, 370199, 1589240, 7020127, 31906974 ]
[ "nonn", "more" ]
A381639
[ 1, 1, 1, 1, 1, 3, 1, 1, 1, 5, 1, 3, 1, 7, 5, 1, 1, 3, 1, 5, 7, 11, 1, 3, 1, 13, 1, 7, 1, 15, 1, 1, 11, 17, 7, 3, 1, 19, 13, 5, 1, 21, 1, 11, 5, 23, 1, 3, 1, 5, 17, 13, 1, 3, 11, 7, 19, 29, 1, 15, ...
[ "nonn", "easy", "frac" ]
A312599
[ 1, 4, 8, 14, 19, 22, 29, 31, 39, 42, 47, 51, 57, 60, 65, 73, 74, 78, 86, 88, 91, 105, 100, 106, 117, 114, 120, 133, 129, 133, 146, 141, 148, 161, 159, 159, 176, 170, 174, 192, 185, 188, 205, 197, 201, 222, 211, 218, 233,...
[ "nonn" ]
A372891
[ 2, 13, 97, 193, 241, 673, 769, 2689, 5953, 8929, 12289, 40961, 49921, 61681, 101377, 286721, 414721, 417793, 550801, 786433, 1130641, 1376257, 1489153, 1810433, 3602561, 6942721, 7340033, 11304961, 12380161, 15790321, 17047297, 22253377, 39714817, 67...
[ "nonn" ]
A326475
[ 1, 0, 1, 0, -1, 1, 0, 19, -2, 1, 0, -1513, 58, -3, 1, 0, 315523, -6218, 117, -4, 1, 0, -136085041, 1630330, -15795, 196, -5, 1, 0, 105261234643, -847053482, 4997781, -31924, 295, -6, 1, 0, -132705221399353, 766492673914, -3042574083, 11...
[ "sign", "tabl" ]
A321279
[ 0, 1, 2, 1, 2, 1, 3, 1, 1, 2, 2, 2, 4, 2, 2, 1, 2, 3, 4, 4, 2, 4, 3, 4, 4, 3, 4, 6, 4, 6, 2, 1, 4, 6, 4, 9, 6, 5, 3, 9, 2, 8, 4, 9, 8, 7, 4, 8, 4, 12, 6, 12, 5, 16, 8, 17, 5, 7, 2, 19, 6, 10, ...
[ "nonn" ]
A205637
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[ "nonn" ]
A374701
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 47, 48, 49, 50, 51, 52, 53, 55, 56, 57, 58...
[ "nonn" ]
A282463
[ 1, 1, 2, 1, 3, 2, 2, 1, 2, 2, 3, 2, 3, 2, 2, 2, 3, 4, 5, 2, 6, 3, 2, 1, 3, 4, 4, 3, 2, 5, 2, 1, 4, 4, 5, 2, 8, 3, 3, 2, 4, 8, 5, 1, 3, 6, 2, 2, 3, 4, 7, 3, 8, 5, 5, 3, 4, 5, 3, 2, 4, 6, 3, 3...
[ "nonn" ]
A063108
[ 1, 2, 4, 8, 16, 22, 26, 38, 62, 74, 102, 104, 108, 116, 122, 126, 138, 162, 174, 202, 206, 218, 234, 258, 338, 410, 414, 430, 442, 474, 586, 826, 922, 958, 1318, 1342, 1366, 1474, 1586, 1826, 1922, 1958, 2318, 2366, 2582, 2742...
[ "base", "easy", "nonn", "nice", "look" ]
A120774
[ 1, 1, 2, 8, 31, 147, 899, 5777, 41024, 322488, 2749325, 25118777, 245389896, 2554780438, 28009868787, 323746545433, 3933023224691, 49924332801387, 661988844566017, 9138403573970064, 131043199040556240, 1949750421507432000, 30031656711776543000 ]
[ "easy", "nonn" ]