id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A106875
[ 3, 19, 59, 107, 163, 211, 251, 347, 419, 499, 571, 587, 619, 659, 883, 907, 947, 1051, 1171, 1259, 1283, 1459, 1483, 1499, 1579, 1627, 1747, 1907, 1931, 1987, 2003, 2083, 2179, 2203, 2347, 2411, 2459, 2467, 2531, 2539, 2707, 2803, 2...
[ "nonn", "easy" ]
A084895
[ 1, 8, 6, 3, 6, 1, 6, 7, 8, 3, 2, 4, 4, 8, 9, 6, 5, 4, 2, 3, 5, 5, 6, 8, 9, 0, 3, 1, 0, 2, 4, 2, 7, 0, 5, 9, 5, 1, 5, 7, 5, 3, 2, 8, 5, 6, 8, 2, 6, 8, 5, 3, 7, 2, 2, 2, 2, 0, 4, 4, 1, 2, 2, 6...
[ "nonn", "cons", "easy" ]
A319924
[ 1, 3, 13, 61, 281, 1261, 5545, 24025, 102961, 437581, 1847561, 7759753, 32449873, 135207801, 561632401, 2326762801, 9617286241, 39671305741, 163352435401, 671560012201, 2756930576401, 11303415363241, 46290177201841, 189368906734801, 773942488394401 ]
[ "nonn" ]
A202815
[ 1, 1, 2, 3, 2, 0, 11, 14, 16, 16, 57, 46, 32, 16, 0, 361, 418, 464, 496, 512, 512, 2763, 2402, 1984, 1520, 1024, 512, 0, 24611, 27374, 29776, 31760, 33280, 34304, 34816, 34816, 250737, 226126, 198752, 168976, 137216, 103936, 69632, ...
[ "nonn", "tabl" ]
A389201
[ 6, 14, 18, 6, 30, 14, 38, 42, 6, 18, 54, 62, 6, 14, 74, 30, 90, 18, 6, 98, 102, 38, 110, 114, 42, 14, 138, 54, 150, 18, 158, 30, 6, 62, 174, 14, 182, 194, 198, 6, 38, 74, 42, 18, 230, 234, 242, 6, 90, 258, 30, 270,...
[ "nonn" ]
A325620
[ 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 4, 5, 5, 5, 6, 7, 7, 8, 9, 10, 10, 11, 12, 14, 14, 15, 16, 18, 19, 20, 22, 24, 25, 26, 28, 31, 33, 34, 36, 39, 41, 43, 45, 49, 52, 54, 57, 61, 65, 68, 71, 76, 80, 84, 88, 93, ...
[ "nonn", "more" ]
A043035
[ 8, 80, 656, 665, 674, 683, 692, 701, 710, 719, 728, 5840, 5930, 6020, 6110, 6200, 6290, 6380, 6470, 6560, 52496, 52577, 52658, 52739, 52820, 52901, 52982, 53063, 53144, 53234, 53315, 53396, 53477, 53558, 53639, 53720 ]
[ "nonn", "base" ]
A346062
[ 4, 4, 8, 8, 7, 7, 0, 7, 0, 5, 5, 2, 8, 3, 6, 0, 5, 4, 0, 3, 2, 3, 2, 3, 0, 0, 2, 5, 2, 8, 9, 8, 1, 3, 6, 7, 0, 8, 8, 2, 2, 7, 9, 2, 4, 3, 6, 4, 4, 9, 2, 5, 7, 3, 6, 5, 4, 3, 6, 8, 3, 2, 3, 7...
[ "nonn", "cons" ]
A280127
[ 1, 0, 1, 1, 1, 2, 3, 3, 4, 5, 7, 8, 11, 13, 16, 20, 24, 30, 35, 43, 52, 62, 74, 88, 104, 123, 146, 171, 201, 235, 275, 320, 373, 433, 502, 581, 672, 773, 891, 1024, 1176, 1348, 1543, 1764, 2013, 2296, 2614, 2974, 3378, ...
[ "nonn" ]
A141086
[ 1, 11, 43, 99, 179, 287, 423, 591, 791, 1023, 1289, 1589, 1935, 2301, 2731, 3159, 3641, 4165, 4749, 5333, 5975, 6653, 7403, 8159, 8927, 9809, 10739, 11609, 12659, 13601, 14697, 15815, 17033, 18167, 19391, 20635, 22011, 23379, 24809, 26243...
[ "nonn" ]
A381245
[ 2, 5, 17, 358, 775, 3145, 7813, 10277, 13978, 15232, 19478, 32324, 36056, 70042, 71396, 72893, 76856, 102374, 141982, 155585, 301291, 331357, 332588, 354643, 717817, 763586, 791641, 799532, 922981, 931705, 935117, 940241, 952975, 993551, 1020461, ...
[ "nonn", "base" ]
A184793
[ 2, 5, 7, 8, 10, 12, 14, 16, 17, 18, 19, 20, 22, 25, 26, 27, 30, 31, 32, 33, 34, 38, 40, 41, 42, 45, 46, 47, 48, 50, 52, 53, 55, 56, 58, 60, 61, 63, 65, 66, 67, 69, 70, 72, 73, 74, 76, 77, 79, 80, 81, 84, 86, 87...
[ "nonn" ]
A342789
[ 1, 1, 1, 1, 2, 2, 1, 2, 2, 3, 1, 1, 2, 3, 2, 3, 1, 3, 2, 2, 2, 3, 3, 2, 3, 1, 3, 4, 2, 2, 2, 3, 4, 3, 3, 2, 3, 3, 1, 1, 4, 3, 4, 2, 4, 3, 2, 2, 3, 5, 4, 3, 3, 2, 3, 3, 3, 3, 2, 3, 1, 4, 3, 4...
[ "nonn", "base" ]
A245333
[ 0, 0, 0, 2, 2, 0, 6, 7, 4, 7, 0, 8, 1, 7, 6, 2, 1, 3, 1, 6, 9, 2, 7, 7, 9, 9, 0, 8, 7, 3, 3, 7, 6, 0, 1, 9, 6, 4, 6, 7, 6, 3, 1, 8, 2, 4, 0, 9, 3, 8, 5, 3, 8, 2, 2, 2, 7, 1, 5, 6, 5, 0, 1, 2...
[ "nonn", "cons", "easy" ]
A012459
[ 0, 2, -16, 128, 9984, -1444608, 105185280, 11495516160, -7997802086400, 2106956324536320, 3592879276032000, -400446184903952300000, 2.710171816845489e+23, -5.686145849133948e+25 ]
[ "sign" ]
A153709
[ 1, 18, 224, 2932, 38076, 495068, 6435724, 83664732, 1087640876, 14139332668, 183811322124, 2389547192732, 31064113495276, 403833475459068, 5249835180926924, 68247857352131940, 887222145577551200, 11533887892508494000, 149940542602609750000, 1.9492270538339283e+21 ]
[ "nonn", "easy" ]
A168705
[ 1, 28, 756, 20412, 551124, 14880348, 401769396, 10847773692, 292889889684, 7908027021468, 213516729579636, 5764951698650172, 155653695863554660, 4202649788315975000, 113471544284531340000, 3.063731695682346e+21 ]
[ "nonn" ]
A181915
[ 3, 6, 8, 7, 2, 7, 4, 2, 1, 0, 5, 3, 6, 0, 0, 0, 6, 5, 6, 6, 1, 8, 5, 8, 1, 6, 5, 8, 4, 0, 8, 3, 4, 5, 0, 9, 7, 2, 1, 4, 4, 2, 7, 7, 1, 4, 0, 2, 3, 5, 6, 3, 6, 9, 9, 1, 2, 5, 1, 7, 9, 3, 4, 0...
[ "nonn", "cons" ]
A137826
[ 2, 3, 5, 2, 7, 11, 3, 13, 2, 17, 19, 23, 29, 2, 5, 31, 37, 3, 41, 43, 47, 53, 7, 59, 61, 2, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 3, 2, 127, 131, 11, 137, 139, 149, 151, 5, 157, 163, 167, 173, 179,...
[ "easy", "nonn" ]
A233091
[ 1, 0, 5, 1, 7, 9, 9, 7, 9, 0, 2, 6, 4, 6, 4, 4, 9, 9, 9, 7, 2, 4, 7, 7, 0, 8, 9, 1, 3, 2, 2, 5, 1, 8, 7, 4, 1, 9, 1, 9, 3, 6, 3, 0, 0, 5, 7, 9, 7, 9, 3, 6, 5, 2, 1, 5, 6, 8, 2, 3, 7, 6, 1, 0...
[ "nonn", "cons" ]
A343947
[ 9, 6, 5, 4, 4, 4, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2...
[ "nonn" ]
A381604
[ 1, 2, 5, 10, 17, 116, 501, 512 ]
[ "nonn", "hard", "more" ]
A163092
[ 1, 16, 240, 3600, 53880, 806400, 12069120, 180633600, 2703470280, 40461750000, 605574696720, 9063392310000, 135648138214680, 2030190989349600, 30385049935084320, 454760790684530400, 6806221388012959000, 101865971146974330000, 1.5245869163162215e+21 ]
[ "nonn" ]
A164187
[ 1, 2, 4, 8, 16, 30, 57, 108, 204, 389, 739, 1407, 2683, 5113, 9764, 18654, 35669, 68287, 130819, 250884, 481590, 925271, 1779499, 3425460, 6600137, 12729083, 24571939, 47477432, 91818595, 177732486, 344344010, 667728900, 1295942046, 2517340377 ]
[ "nonn" ]
A069839
[ 1, 1, 1, 3, 78, 265764, 71095150000, 1791180894322714000, 5.782448787773328e+27, 3.1292639827193984e+39, 3.5994624192947746e+53 ]
[ "nonn" ]
A261484
[ 1, 18, 210, 1980, 16467, 126126, 912338, 6332055, 42615547, 280182355, 1809148533, 11517941151, 72515126734, 452500330899, 2803547693199, 17270035728605, 105888136423278, 646765377652715, 3938163632325325, 23918395342393710, 144963673674486880 ]
[ "nonn", "easy" ]
A376147
[ 1, 2, 3, 4, 5, 8, 6, 7, 9, 15, 10, 14, 16, 12, 21, 20, 18, 11, 25, 24, 35, 28, 30, 27, 13, 42, 40, 32, 33, 22, 50, 45, 36, 26, 49, 56, 60, 48, 39, 44, 70, 63, 64, 54, 17, 55, 105, 84, 75, 72, 65, 52, 66, 112, ...
[ "nonn" ]
A098992
[ 0, 0, 1, 11, 55, 190, 526, 1254, 2682, 5280, 9735, 17017, 28457, 45838, 71500, 108460, 160548, 232560, 330429, 461415, 634315, 859694, 1150138, 1520530, 1988350, 2574000, 3301155, 4197141, 5293341, 6625630, 8234840, 10167256, 12475144, 15217312, 18...
[ "easy", "nonn" ]
A324161
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 45, 46, 47, 48, 49,...
[ "nonn", "base" ]
A105937
[ 1, 1, 0, 1, 1, -2, 1, 2, -2, 0, 1, 3, 0, -12, 36, 1, 4, 4, -24, 24, 0, 1, 5, 10, -30, -60, 420, -1800, 1, 6, 18, -24, -216, 720, -720, 0, 1, 7, 28, 0, -420, 420, 5040, -30240, 176400, 1, 8, 40, 48, -624, -960, 1440...
[ "sign", "tabl" ]
A185586
[ 2, 1, 6, 4, 18, 15, 5, 10, 8, 12, 9, 3, 24, 21, 7, 14, 36, 39, 13, 26, 28, 35, 25, 30, 27, 33, 11, 22, 20, 16, 38, 42, 51, 17, 34, 32, 58, 70, 65, 55, 60, 63, 49, 56, 54, 52, 50, 48, 69, 23, 46, 44, 40, 45, 5...
[ "nonn", "look" ]
A126552
[ 1, 31, 311, 3201, 33241, 346973, 3633345, 38128475, 400712365, 4215612885, 44381119457, 467467444891, 4925548461045, 51911345979157, 547195680951947, 5768641876348183, 60819051384616760, 641254077894118100 ]
[ "nonn", "base" ]
A277942
[ 0, 377, 31011, 2967962, 273135341, 25229090418, 2328401610722, 214902490767900, 19834301854942268, 1830596543877750000, 168953877741724930000, 1.5593502858029837e+22, 1.4391935339327747e+24 ]
[ "nonn" ]
A102268
[ 1, 1, 0, 0, 2, 7, 8, 6, 4, 4, 3, 8, 3, 5, 9, 5, 5, 1, 2, 6, 1, 8, 1, 1, 7, 0, 4, 3, 3, 4, 9, 8, 9, 4, 6, 0, 1, 7, 7, 1, 1, 4, 9, 0, 5, 0, 9, 1, 8, 9, 4, 9, 3, 4, 2, 8, 0, 6, 8, 0, 8, 1, 1, 0...
[ "nonn", "cons" ]
A288434
[ 1, 1, 4, 3, 24, 7, 112, 15, 288, 159, 1600, 831, 6272, 127, 18688, 1279, 115200, 31231, 328704, 91135, 1640448, 878591, 4198400, 3035135, 27271168, 11739135, 68173824, 26558463, 273973248, 236093439, 1657864192, 38338559, 7671513088, 67764223, 2428...
[ "nonn", "easy" ]
A379135
[ 1, 4, 7, 5, 6, 8, 3, 6, 6, 1, 0, 4, 1, 6, 1, 4, 0, 9, 0, 7, 6, 8, 9, 6, 0, 0, 8, 3, 8, 4, 9, 4, 8, 5, 7, 2, 5, 5, 2, 6, 8, 2, 1, 2, 5, 6, 5, 6, 9, 5, 4, 8, 0, 9, 7, 7, 3, 4, 3, 9, 0, 9, 7, 8...
[ "nonn", "cons", "easy" ]
A050617
[ 5, 221, 641, 2783, 6423, 9053, 23271, 29159, 88409, 113655, 241271, 263895 ]
[ "hard", "nonn" ]
A035138
[ 1, 594, 746, 986, 1000000009 ]
[ "nonn", "fini", "base", "full" ]
A306591
[ 6, 4, 3, 8, 12, 7, 9, 20, 24, 15, 32, 19, 21, 44, 48, 27, 60, 31, 68, 72, 37, 80, 84, 45, 49, 51, 104, 108, 55, 57, 128, 132, 69, 140, 75, 152, 79, 164, 168, 87, 180, 91, 192, 97, 99, 200, 212, 224, 228, 115, 117, ...
[ "nonn", "frac" ]
A322759
[ 1, 2, 500, 406594944, 17946021496671971000, 2.6676323224047707e+35, 1.4551023105807304e+63 ]
[ "nonn", "frac" ]
A067730
[ 309, 425, 2135, 2913, 6861, 20155, 37415, 45155, 74875, 329841, 4720281, 6385749, 7030911, 11606649, 13954745, 20920075, 22436225, 22937785, 37760631, 38748291, 81607505, 85815925, 95375589, 114195965, 115314295, 122491401, 132765639 ]
[ "nonn" ]
A141700
[ 0, 2, 0, 3, 0, 0, 2, 2, 0, 0, 5, 0, 0, 0, 0, 0, 3, 2, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 2, 2, 0, 2, 0, 0, 0, 0, 3, 0, 3, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 2, 0, 0, 0, 0, 0, 11, 0, 0, 0, 0, 0, 0, 0, ...
[ "nonn", "tabl" ]
A251852
[ 2148, 4953, 4953, 15899, 17795, 15899, 67209, 138538, 138538, 67209, 327193, 1186375, 2118665, 1186375, 327193, 1697028, 10462787, 30754863, 30754863, 10462787, 1697028, 9016304, 93874605, 458278940, 736849090, 458278940 ]
[ "nonn", "tabl" ]
A122204
[ 0, 1, 0, 2, 1, 0, 3, 3, 1, 0, 4, 2, 2, 1, 0, 5, 8, 3, 2, 1, 0, 6, 7, 4, 3, 2, 1, 0, 7, 6, 6, 5, 3, 2, 1, 0, 8, 4, 5, 4, 5, 3, 2, 1, 0, 9, 5, 7, 6, 6, 6, 3, 2, 1, 0, 10, 22, 8, 7, 4, 5, 6, 3, ...
[ "nonn", "tabl" ]
A213037
[ 0, 1, 2, 7, 8, 17, 18, 31, 32, 49, 50, 71, 72, 97, 98, 127, 128, 161, 162, 199, 200, 241, 242, 287, 288, 337, 338, 391, 392, 449, 450, 511, 512, 577, 578, 647, 648, 721, 722, 799, 800, 881, 882, 967, 968, 1057, 1058, 1151,...
[ "nonn", "easy" ]
A387383
[ 0, 2, 8, 32, 34, 40, 128, 130, 160, 162, 512, 520, 544, 552, 2048, 2050, 2056, 2080, 2082, 2088, 2176, 2178, 2208, 2210, 2560, 2568, 2592, 2600, 8192, 8194, 8224, 8226, 8320, 8322, 8352, 10240, 10242, 10272, 10274, 10368, 10370, 32768...
[ "nonn" ]
A352332
[ 4, 260, 294, 740, 1460, 3140, 3860, 5540, 8420, 10820, 15140, 19940, 21860, 24020, 24260, 27620, 37460, 40340, 46820, 49460, 55940, 61220, 70340, 85460, 101540, 114020, 124340, 132740, 133220, 144260, 148340, 149540, 155060, 162020, 164420, 16706...
[ "nonn" ]
A018776
[ 1, 5, 7, 29, 35, 145, 203, 1015 ]
[ "nonn", "fini", "full", "easy" ]
A091646
[ 1, 3, 29, 352, 3357, 32393, 312424, 3014171, 29016211, 279171099, 2685272908, 25829666453, 248507003625, 2391688694305 ]
[ "nonn", "base" ]
A299981
[ 1, 10, 11, 12, 9, 2, 5, 3, 4, 25, 6, 17, 7, 13, 8, 14, 15, 21, 31, 23, 18, 34, 24, 38, 27, 19, 22, 28, 29, 35, 26, 16, 32, 33, 36, 30, 37, 39, 40, 41, 42, 43, 44, 45, 47, 46, 59, 20, 50, 62, 51, 61, 52, 56, 5...
[ "nonn", "base" ]
A356870
[ 1, 2, 5, 8, 8, 8, 8, 8, 17, 26, 26, 15, 15, 15, 15, 15, 48, 48, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 62, 95, 95, 95, 95, 95, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 158, 158, 158, 158...
[ "nonn", "look" ]
A097188
[ 1, 3, 15, 90, 594, 4158, 30294, 227205, 1741905, 13586859, 107459703, 859677624, 6943550040, 56540336040, 463630755528, 3824953733106, 31724616256938, 264371802141150, 2212374554760150, 18583946259985260, 156636118477018620 ]
[ "nonn" ]
A181919
[ 3, 6, 7, 9, 7, 0, 3, 8, 4, 9, 8, 0, 3, 2, 9, 4, 7, 3, 0, 2, 7, 1, 7, 2, 8, 9, 8, 8, 1, 5, 7, 7, 3, 5, 7, 8, 2, 1, 1, 6, 7, 5, 6, 9, 1, 5, 0, 3, 3, 2, 5, 1, 5, 9, 3, 9, 6, 9, 6, 3, 4, 9, 5, 7...
[ "nonn", "cons" ]
A250689
[ 193117, 995624, 5098590, 25235016, 117793753, 523260542, 2224688673, 9121206688, 36332194553, 141502429478, 541706838601, 2047265474206, 7665603013743, 28522048068276, 105725887121051, 391286691949576 ]
[ "nonn" ]
A198563
[ 1, 5, 3, 4, 8, 2, 4, 8, 6, 7, 5, 8, 2, 1, 6, 4, 9, 3, 3, 6, 2, 4, 8, 2, 8, 4, 7, 7, 8, 0, 5, 9, 3, 7, 8, 8, 8, 9, 1, 1, 1, 7, 0, 8, 5, 1, 9, 8, 6, 7, 4, 7, 6, 3, 5, 9, 7, 5, 0, 9, 1, 6, 5, 2...
[ "nonn", "cons" ]
A249041
[ 1, 1, 1, 2, 3, 4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 7, 8, 8, 9, 10, 11, 12, 13, 13, 14, 15, 16, 16, 17, 17, 17, 18, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, 22, 23, 23, 23, 24, 25, 25, ...
[ "nonn" ]
A215029
[ 0, 1, 2, 1, -1, 0, 0, 1, 1, 2, -1, 0, 0, 1, 1, 2, -1, 0, 0, 1, 1, 2, -1, 0, 0, 1, 0, 1, 0, 1, 1, 2, 0, 1, 0, 1, 0, 1, -1, 0, 1, 2, 0, 1, -1, 0, 1, 2, 0, 1, 0, 1, 0, 1, -1, 0, 1, 2, -1, 0, 0, 1, ...
[ "sign" ]
A057551
[ 2, 4, 1, 9, 1, 2, 1, 1, 23, 1, 2, 1, 1, 4, 1, 2, 1, 1, 2, 1, 1, 1, 65, 1, 2, 1, 1, 4, 1, 2, 1, 1, 2, 1, 1, 1, 9, 1, 2, 1, 1, 4, 1, 2, 1, 1, 2, 1, 1, 1, 4, 1, 2, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, ...
[ "nonn" ]
A332138
[ 8, 383, 33833, 3338333, 333383333, 33333833333, 3333338333333, 333333383333333, 33333333833333332, 3333333338333333500, 333333333383333350000, 3.3333333333833335e+22, 3.333333333338333e+24, 3.3333333333338334e+26, 3.3333333333333835e+28, 3.333333333333338e+30 ]
[ "nonn", "base", "easy" ]
A006050
[ 0, 10, 19, 199, 2e+22 ]
[ "nonn", "base", "nice" ]
A289529
[ 1, 2, 5, 13, 25, 57, 113, 241, 482, 1001, 1993, 4037, 8073, 16305, 32545, 65309, 130593, 261825, 523449, 1047641, 2095137, 4192861, 8385069, 16773521, 33546837, 67102757, 134203609, 268420133, 536840409, 1073717413, 2147428353, 4294903873, 8589862400 ]
[ "nonn", "easy" ]
A103493
[ 0, 0, 1, 1, 1, 2, 1, 0, 1, 3, 2, 5, 2, 6, 0, 4, 2, 8, 3, 3, 4, 0, 5, 11, 2, 2, 6, 9, 0, 7, 4, 15, 4, 10, 8, 0, 6, 9, 3, 12, 4, 20, 0, 3, 5, 12, 11, 23, 2, 0, 2, 16, 12, 13, 9, 20, 0, 3, 7, 29, 4, ...
[ "easy", "nonn" ]
A162796
[ 0, 2, 6, 14, 22, 30, 42, 70, 86, 94, 106, 134, 154, 182, 222, 310, 342, 350, 362, 390, 410, 438, 478, 566, 602, 630, 670, 758, 814, 906, 1046, 1302, 1366, 1374, 1386, 1414, 1434, 1462, 1502, 1590, 1626, 1654, 1694, 1782, 1838, ...
[ "nonn" ]
A315212
[ 1, 6, 10, 14, 20, 26, 30, 36, 42, 46, 50, 56, 62, 66, 70, 76, 82, 86, 92, 98, 102, 106, 112, 118, 122, 126, 132, 138, 142, 148, 154, 158, 162, 168, 174, 178, 182, 188, 194, 198, 204, 210, 214, 218, 224, 230, 234, 238, 24...
[ "nonn" ]
A121553
[ 1, 4, 20, 122, 874, 7164, 65988, 674064, 7558416, 92276640, 1218255840, 17293495680, 262656570240, 4250077896960, 72992067321600, 1326101675673600, 25410150701107200, 512158576546713600, 10832221231772774000 ]
[ "nonn" ]
A123637
[ 1, 4, 23, 238, 4285, 120056, 4807699, 259889218, 18207958073, 1603405689580, 173263178533711, 22534190356771096, 3471514311529291000, 625057269686305400000, 1.3004379744315665e+23 ]
[ "nonn" ]
A046994
[ 1, 3, 8, 17, 38, 78, 164, 332, 680, 1368, 2768, 5552, 11168, 22368, 44864, 89792, 179840, 359808, 720128, 1440512, 2882048, 5764608, 11531264, 23063552, 46131200, 92264448, 184537088, 369078272, 738172928, 1476354048, 2952740864, 5905498112, 1181106176...
[ "nonn", "walk" ]
A009366
[ 0, 1, -1, 6, -22, 176, -1192, 12240, -122288, 1561088, -20588544, 318007808, -5193155328, 94807748608, -1841205505024, 38942692972544, -875204314126336, 21088169713729536, -537861879179575300, 14558790290337432000 ]
[ "sign", "easy" ]
A119298
[ 2, 34, 551, 6338, 72319, 809360, 9543704, 104376285, 1136782466, 12273965395, 134080968533, 1448607569210 ]
[ "more", "nonn", "base" ]
A157044
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[ "nonn", "tabl" ]
A006003
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[ "nonn", "easy", "nice", "changed" ]
A221816
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[ "nonn" ]
A169827
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[ "nonn", "easy" ]
A322438
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[ "nonn" ]
A089119
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[ "nonn" ]
A222074
[ 1, 5, 9, 3, 8, 5, 2, 5, 2, 4, 9, 2, 3, 3, 4, 0, 9, 0, 2, 4, 1, 0, 1, 1, 0, 9, 8, 9, 8, 0, 9, 5, 6, 0, 4, 5, 0, 4, 1, 8, 2, 3, 2, 8, 4, 7, 0, 2, 1, 2, 2, 3, 9, 0, 9, 1, 3, 2, 7, 7, 3, 1, 4, 4...
[ "nonn", "cons" ]
A263216
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[ "nonn", "tabf" ]
A072743
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[ "nonn" ]
A104571
[ 1, 4, 1, 5, 4, 1, 8, 5, 4, 1, 9, 8, 5, 4, 1, 12, 9, 8, 5, 4, 1, 13, 12, 9, 8, 5, 4, 1, 16, 13, 12, 9, 8, 5, 4, 1 ]
[ "nonn", "tabl", "easy" ]
A122607
[ 1, 1, 1, 1, 1, 1, 10, 19, -17, -62, 163, 550, -548, -3050, 2665, 19450, -7550, -113534, 8308, 667423, 187462, -3800825, -2366747, 21303154, 21068938, -116488961, -162036530, 621601885, 1153785034, -3216794309, -7799929064, 16026195376, 50784142789, -...
[ "sign", "easy" ]
A158540
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[ "nonn", "easy" ]
A341112
[ 1, 1, 2, 3, 4, 4, 6, 6, 8, 8, 10, 9, 12, 10, 13, 12, 15, 13, 17, 15, 18, 15, 19, 16, 21, 17, 23, 18, 24, 19, 27, 23, 30, 24, 32, 25, 32, 26, 34, 26, 36, 26, 36, 28, 38, 28, 40, 30, 42, 32, 43, 30, 45, 32, 47,...
[ "nonn" ]
A255435
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[ "nonn", "easy" ]
A291120
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[ "nonn", "tabf" ]
A008729
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 66, 70, 74, 78, 82, 86, 90, 94, 98, 102, 106, 110, 115, 120, 125, 130, 135, 140, 145, 150, 15...
[ "nonn", "tabf", "easy" ]
A156157
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[ "nonn" ]
A291053
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[ "nonn" ]
A027786
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[ "nonn", "easy" ]
A129956
[ 5, 9, 4, 5, 6, 4, 5, 8, 4, 7, 11, 13, 13, 18, 13, 17, 15, 15, 18, 20, 15, 21, 24, 25, 22, 18, 22, 19, 21, 25, 25, 27, 30, 29, 25, 28, 32, 34, 36, 35, 36, 40, 48, 47, 53, 55, 57, 57, 64, 63, 64, 65, 61, 53, 54...
[ "nonn", "base" ]
A255148
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[ "nonn" ]
A224649
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[ "nonn" ]
A196102
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[ "nonn" ]
A375599
[ 0, 2, 4, 8, 12, 16, 32, 48, 64, 96, 144, 240, 288, 360, 432, 576, 720, 1260, 1296, 1440, 2160, 2520, 2880, 3600, 5040, 7200, 7560, 8640, 10080, 14400, 15120, 20160, 25200, 30240, 40320, 45360, 50400, 55440, 75600, 90720, 100800, 11088...
[ "nonn" ]
A000182
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[ "nonn", "core", "easy", "nice" ]
A003856
[ 1, 11, 11, 16, 16, 45, 54, 55, 55, 55, 66, 99, 120, 144, 176 ]
[ "nonn", "fini", "full" ]
A108813
[ 3, 6, 1, 9, 9, 3, 8, 6, 7, 0, 9, 2, 2, 6, 9, 0, 7, 5, 6, 7, 5, 3, 2, 5, 3, 7, 3, 2, 9, 7, 7, 1, 4, 9, 8, 7, 5, 6, 5, 3, 4, 9, 9, 1, 2, 6, 6, 2, 6, 3, 7, 1, 8, 5, 0, 3, 3, 6, 8, 9, 9, 4, 4, 0...
[ "cons", "nonn" ]
A252105
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[ "nonn", "tabl" ]
A356580
[ 3, 8, 4, 0, 6, 8, 4, 8, 4, 3, 4, 1, 5, 8, 7, 5, 5, 1, 1, 8, 9, 2, 7, 9, 9, 6, 8, 6, 2, 4, 2, 2, 5, 8, 6, 2, 9, 6, 6, 6, 5, 9, 2, 0, 1, 5, 7, 9, 6, 6, 8, 3, 4, 4, 6, 8, 5, 0, 8, 7, 2, 2, 5, 3...
[ "nonn", "cons" ]
A353514
[ 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 1, 0, 1...
[ "nonn", "base" ]
A149713
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[ "nonn", "walk" ]