id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A283410
[ 8, 61, 416, 2944, 20744, 146228, 1030788, 7266120, 51219756, 361053936, 2545110952, 17940781184, 126466639652, 891477956620, 6284131129240, 44297566481868, 312258664857680, 2201147411081008, 15516142450416040 ]
[ "nonn" ]
A057362
[ 0, 0, 0, 1, 1, 1, 2, 2, 3, 3, 3, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 8, 8, 8, 9, 9, 10, 10, 10, 11, 11, 11, 12, 12, 13, 13, 13, 14, 14, 15, 15, 15, 16, 16, 16, 17, 17, 18, 18, 18, 19, 19, 20, 20, 20, 21, 21, ...
[ "nonn", "easy" ]
A287382
[ 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1...
[ "nonn", "easy" ]
A373410
[ 4, 9, 25, 28, 45, 49, 50, 64, 76, 81, 99, 100, 117, 121, 125, 126, 136, 148, 153, 169, 172, 176, 189, 208, 225, 243, 244, 245, 261, 276, 280, 289, 297, 316, 325, 333, 343, 344, 351, 352, 361, 364, 369, 376, 388, 405, 424, ...
[ "nonn" ]
A088935
[ 0, 5, 15, 78, 88, 98, 108, 118, 181, 191, 201, 211, 274, 284, 294, 304, 367, 377, 387, 397, 407, 470, 480, 490, 500, 563, 573, 583, 593, 603, 666, 676, 686, 696, 759, 769, 779, 789, 852, 862, 872, 882, 892, 955, 965, 975, 98...
[ "base", "nonn" ]
A183170
[ 1, 3, 4, 10, 5, 13, 14, 34, 7, 17, 18, 44, 19, 47, 48, 116, 9, 23, 24, 58, 25, 61, 62, 150, 26, 64, 66, 160, 67, 163, 164, 396, 12, 30, 32, 78, 33, 81, 82, 198, 35, 85, 86, 208, 87, 211, 212, 512, 36, 88, 90, 218, ...
[ "nonn", "tabf" ]
A291335
[ 1, -1, 4, -18, 128, -1375, 19224, -328937, 6594560, -150804585, 3866510000, -109763181693, 3416538258432, -115680589167780, 4232540747232224, -166402907912306240, 6995675389431382000, -313160900844718100000, 1.4871520058618111e+22, -7.46718033885917e+23 ]
[ "sign" ]
A139091
[ 17, 827, 22319071, 1718296754087, 35662591735219, 477262171871, 1.6097270024207913e+24, 146215297537890240000, 2.0209143874336867e+30, 1.0737747708072661e+21 ]
[ "nonn" ]
A037187
[ 0, 0, 0, 1, 0, 2, 10, 7, 7, 13, 30, 33, 82, 61, 283, 189, 282, 328, 594, 675, 2413, 1248, 3968, 2852, 8983 ]
[ "nonn", "more" ]
A099015
[ 1, 2, 8, 33, 140, 592, 2509, 10626, 45016, 190685, 807764, 3421728, 14494697, 61400482, 260096680, 1101787113, 4667245276, 19770767984, 83750317589, 354772037730, 1502838469496, 6366125914117, 26967342128548 ]
[ "easy", "nonn" ]
A092169
[ 1, 0, 3, 9, 10, 21, 21, 32, 39, 53, 55, 73, 78, 101, 113, 128, 136, 165, 171, 201, 220, 245, 253, 292, 305, 341, 360, 393, 406, 455, 465, 512, 542, 581, 607, 654, 666, 725, 757, 804, 820, 889, 903, 969, 1011, 1061, 1081, 1...
[ "nonn" ]
A089660
[ 0, 2, 35, 276, 1522, 6820, 26664, 94640, 312512, 975744, 2913280, 8386048, 23416320, 63724544, 169637888, 443043840, 1137934336, 2879979520, 7194083328, 17761304576, 43390730240, 104997322752, 251881062400, 599482433536, 1416470986752, 3324615065600 ]
[ "nonn", "easy" ]
A356064
[ 13, 26, 29, 37, 39, 43, 47, 52, 58, 61, 65, 71, 73, 74, 78, 79, 86, 87, 89, 91, 94, 101, 104, 107, 111, 113, 116, 117, 122, 129, 130, 137, 139, 141, 142, 143, 145, 146, 148, 149, 151, 156, 158, 163, 167, 169, 172, 173, 1...
[ "nonn" ]
A142792
[ 31, 151, 211, 271, 331, 571, 631, 691, 751, 811, 991, 1051, 1171, 1231, 1291, 1471, 1531, 1831, 1951, 2011, 2131, 2251, 2311, 2371, 2551, 2671, 2731, 2791, 2851, 2971, 3271, 3331, 3391, 3511, 3571, 3631, 3691, 3931, 4051, 4111, 4231, ...
[ "nonn", "easy" ]
A081192
[ 1, 10, 101, 1030, 10601, 110050, 1151501, 12135070, 128702801, 1372684090, 14712104501, 158346365110, 1710428956601, 18532288986130, 201313313019101, 2191569650755150, 23901375026212000, 261062105099480160 ]
[ "easy", "nonn" ]
A120128
[ 5, 6, 8, 24, 28, 36, 42, 45, 60, 63, 69, 93, 102, 106, 110, 112, 114, 126, 138, 141, 146, 147, 168, 184, 186, 189, 198, 213, 216, 230, 236, 237, 245, 248, 252, 270, 288, 297, 304, 342, 344, 354, 381, 395, 412, 415, 426, 42...
[ "nonn" ]
A310113
[ 1, 3, 6, 11, 16, 22, 26, 29, 33, 35, 40, 45, 52, 57, 60, 64, 66, 69, 70, 77, 85, 92, 94, 95, 100, 102, 106, 108, 118, 126, 130, 131, 131, 136, 137, 143, 148, 158, 163, 165, 167, 167, 173, 175, 184, 189, 196, 200, 201, ...
[ "nonn" ]
A307729
[ 0, 0, 1, 0, 1, 2, 1, 2, 4, 5, 4, 6, 8, 6, 13, 11, 18, 17, 19, 23, 22, 30, 29, 32, 37, 40, 54, 49, 63, 63, 65, 73, 79, 94, 90, 98, 113, 110, 138, 127, 151, 154, 161, 181, 180, 210, 209, 216, 240, 247, 279, 269, 29...
[ "nonn" ]
A006181
[ 1, 1, 1, 2, 2, 4, 10, 47, 472 ]
[ "nonn", "more" ]
A093988
[ 1, 3, 5, 7, 11, 13, 35, 45, 47, 57, 87, 183, 325, 367, 447, 809, 1157, 2789, 5775, 14829, 20687, 46463, 62491, 92147, 128745 ]
[ "nonn", "more" ]
A001452
[ 1, 1, 3, 6, 13, 24, 47, 83, 152, 263, 457, 768, 1292, 2118, 3462, 5564, 8888, 14016, 21973, 34081, 52552, 80331, 122078, 184161, 276303, 411870, 610818, 900721, 1321848, 1929981, 2805338, 4058812, 5847966, 8390097, 11990531, 17069145, 24210571,...
[ "nonn" ]
A040747
[ 27, 1, 5, 4, 1, 8, 2, 8, 1, 4, 5, 1, 54, 1, 5, 4, 1, 8, 2, 8, 1, 4, 5, 1, 54, 1, 5, 4, 1, 8, 2, 8, 1, 4, 5, 1, 54, 1, 5, 4, 1, 8, 2, 8, 1, 4, 5, 1, 54, 1, 5, 4, 1, 8, 2, 8, 1, 4, 5, 1, 54, 1, ...
[ "nonn", "cofr", "easy" ]
A213533
[ 0, 0, 0, 0, 0, 0, 3, 19, 183, 1601, 14598, 130117 ]
[ "nonn" ]
A012893
[ 0, 2, -1, -7, 18, 243, -1785, -19086, 308980, 2736225, -90239805, -495769586, 38522052690, 39766893593, -22481798964989, 111035038388104, 16941789968380680, -219516343596465730, -15750892172912679000 ]
[ "sign" ]
A018852
[ 0, 1, 3, 7, 16, 8, 4, 9, 2, 21, 10, 48, 5, 11, 52, 25, 55, 12, 57, 27, 59, 6, 61, 62, 29, 63, 64, 3, 66, 31, 67, 68, 32, 15, 7, 33, 154, 72, 73, 34, 16, 161, 35, 76, 164, 77, 36, 78, 169, 17, 37, 8, 174, 81, ...
[ "nonn", "base", "look" ]
A251637
[ 2, 3, 4, 15, 9, 8, 14, 5, 15, 14, 22, 35, 25, 6, 6, 39, 11, 7, 35, 12, 12, 51, 13, 33, 21, 10, 21, 16, 38, 17, 26, 55, 28, 20, 27, 10, 69, 19, 85, 65, 44, 91, 45, 39, 20, 87, 23, 95, 34, 91, 99, 49, 85, 33, 2...
[ "nonn", "tabl" ]
A248146
[ 13, 5, 7, 3, 11, 13, 5, 17, 19, 7, 23, 28081, 31, 11, 131, 13, 41, 43, 5, 47, 4951, 53, 5557, 59, 61, 7, 218923, 71, 73, 7577, 79, 3, 83, 85878991939597, 11, 101, 103, 105107, 109, 37, 113, 115117 ]
[ "nonn" ]
A212379
[ 83, 739, 821, 1231, 1559, 1723, 2297, 2543, 2707, 2789, 2953, 3527, 3691, 4019, 5003, 5167, 5413, 5659, 5741, 5987, 6151, 6397, 6971, 7873, 8447, 8693, 9103, 9349, 9431, 9677, 9923, 10169, 10333, 11071, 11317, 11399, 12301, 12547, 13121, ...
[ "nonn", "easy" ]
A040243
[ 16, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8,...
[ "nonn", "cofr", "easy" ]
A220628
[ 1, 1, 3, 37, 1481, 183961, 72097810, 91163971015, 374610359478958, 4999831941923801000, 2.1640922335891403e+23, 3.0357148112130816e+28, 1.3800400036239295e+34 ]
[ "nonn" ]
A386263
[ 1, 3, 15, 121, 1333, 18091, 286867, 5158385, 103226313, 2269474723, 54307112951, 1404350909545, 39020894189245, 1159475912653163, 36695329075865080, 1232560854783934500, 43801551907551780000, 1.642199848241651e+21, 6.4789265823476375e+22 ]
[ "nonn" ]
A224971
[ 13654, 1777586, 49673755, 4560581070, 226665118676, 16533408013041, 1006241870944880, 68438742000698744, 4427204400021886000, 295306872160490600000, 1.9431114846942605e+22, 1.2892573175538858e+24 ]
[ "nonn" ]
A341289
[ 1, 7, 6, 29, 133, 350, 552, 224, 826, 580, 2864, 7279, 6504, 12103 ]
[ "nonn", "more" ]
A067496
[ 1, 18, 20, 22, 41, 43, 62, 64, 66, 83, 85, 87, 106, 108, 110, 127, 129, 131, 150, 152, 171, 173, 175, 194, 196, 215, 217, 219, 236, 238, 240 ]
[ "dead" ]
A202615
[ 84486, 1543290, 33085795, 644528966, 12070745813, 229947504468, 4356301952933, 81755635512284, 1535412583935979, 28842314768733000, 540859879905927230, 10138504916787456000, 190075060531176640000, 3.5626240690212417e+21 ]
[ "nonn" ]
A063399
[ 1, 1, 7, 115, 3205, 138345, 8543519, 714313647, 77657039081, 10644520988729, 1795436642957911, 365404877299993500, 88285106031863800000, 2.4979640229199673e+22, 8.181329846390271e+24, 3.070780080199884e+27, 1.3093893281348998e+30 ]
[ "easy", "nonn" ]
A057057
[ 1, 3, 4, 6, 8, 11, 13, 15, 18, 21, 24, 27, 30, 33, 37, 40, 44, 48, 52, 55, 60, 64, 68, 72, 76, 81, 85, 90, 95, 100, 104, 109, 114, 119, 125, 130, 135, 141, 146, 152, 157, 163, 168, 174, 180, 186, 192, 198, 204, 210, ...
[ "nonn" ]
A366305
[ 1, 5, 315, 555713, 47705305725, 305469864195354600, 2.0709530653095578e+26, 2.0017329298655447e+37, 3.5736176114080727e+50, 1.481824279740989e+66 ]
[ "nonn" ]
A051247
[ 10, 12, 18, 22, 24, 28, 34, 36, 39, 40, 43, 46, 48, 53, 54, 57, 58, 60, 66, 68, 71, 74, 76, 79, 80, 83, 86, 88, 91, 94, 96, 101, 102, 104, 109, 110, 113, 114, 116, 121, 122, 124, 130, 132, 135, 136, 139, 141, 144, 147,...
[ "nonn", "base" ]
A048989
[ 3, 4, 5, 6, 11, 12, 17, 18, 31, 32, 33, 34, 35, 36, 41, 42, 59, 60, 67, 68, 69, 70, 83, 84, 85, 86, 87, 88, 109, 110, 111, 112, 127, 128, 129, 130, 157, 158, 159, 160, 161, 162, 179, 180, 191, 192, 211, 212, 213, 214, ...
[ "nonn", "easy", "nice" ]
A370531
[ 8, 24, 24, 90, 90, 119, 200, 117, 200, 319, 528, 1131, 1134, 525, 1328, 1343, 1332, 1330, 1340, 2478, 7260, 1334, 5352, 4300, 5954, 4833, 13188, 8468, 10800, 15686, 11744, 19338, 19618, 22575, 19620, 15688, 28234, 19617, 25480, 31406, 1...
[ "nonn" ]
A346553
[ 1, 2, 3, 14, 66, 1974, 307146, 3270666, 42404405538, 318501038226, 316854677690380600 ]
[ "nonn", "more", "changed" ]
A283560
[ 2, 23, 235, 2356, 23567, 235678, 23567810, 2356781011, 235678101112, 23567810111213, 2356781011121314, 235678101112131420, 23567810111213140000, 2.3567810111213142e+21, 2.3567810111213143e+23, 2.3567810111213144e+25 ]
[ "base", "nonn" ]
A201333
[ 5, 3, 2, 0, 7, 6, 2, 5, 1, 3, 5, 6, 6, 5, 0, 3, 1, 6, 8, 0, 0, 7, 3, 5, 2, 4, 8, 7, 0, 9, 5, 0, 8, 2, 9, 3, 5, 1, 1, 0, 1, 4, 9, 6, 7, 8, 7, 3, 3, 8, 4, 6, 9, 6, 8, 9, 4, 2, 2, 8, 8, 4, 4, 6...
[ "nonn", "cons" ]
A291771
[ 1, 1, 2, 1, 1, 2, 1, 1, 4, 2, 2, 2, 1, 1, 2, 1, 1, 4, 2, 2, 2, 1, 1, 2, 1, 1, 8, 4, 4, 6, 2, 2, 6, 2, 2, 4, 2, 2, 2, 1, 1, 2, 1, 1, 4, 2, 2, 2, 1, 1, 2, 1, 1, 8, 4, 4, 6, 2, 2, 6, 2, 2, 4, 2...
[ "nonn", "base" ]
A170202
[ 1, 49, 2352, 112896, 5419008, 260112384, 12485394432, 599298932736, 28766348771328, 1380784741023744, 66277667569139710, 3181328043318706000, 152703746079297900000, 7.329779811806299e+21, 3.5182943096670235e+23 ]
[ "nonn" ]
A333890
[ 1, 1, 3, 13, 74, 556, 5369, 64000, 917235, 15450781, 300882997, 6682784998, 167423745058, 4687321410460, 145487540598936, 4972006889998672, 185965612590706240, 7572297055379417000, 334097417273761330000, 1.5905277840810391e+22, 8.139310371490141e+23 ]
[ "nonn" ]
A231620
[ 1, 1, 3, 19, 277, 8641, 578949, 83316385, 25753389181, 17098272199297, 24382819596721628, 74684329652984090000, 4.913476825994975e+23, 6.943240361573523e+27, 2.107411525332028e+32, 1.3738849457010996e+37, 1.9238235722259845e+42 ]
[ "nonn" ]
A092837
[ 2, 3, 4, 19, 24, 227, 255, 443, 1381, 3329, 3817, 3947 ]
[ "nonn", "more" ]
A241418
[ 1, 1, -2, 2, -1, 1, -2, 1, 1, -1, -1, 2, -2, 1, -1, 2, -1, 1, -2, 1, 1, -1, -1, 1, 1, -2, 1, -1, 2, -1, 1, -2, 2, -1, -1, 2, -2, 1, 1, -1, -1, 1, 1, -2, 2, -1, -1, 2, -2, 1, -1, 2, -1, 1, -2, 1, 1, -1, ...
[ "sign" ]
A309182
[ 1, 2, 10, 42, 201, 1028, 5538, 30666, 173593, 1001402, 5864750, 34769364, 208267320, 1258574116, 7663720710, 46976034378, 289628805623, 1794932294978, 11175157356522, 69864075597442, 438403736549145, 2760351027094300, 17433869214973754, 110420300879752980 ]
[ "nonn" ]
A197051
[ 4, 10, 38, 108, 358, 1132, 3580, 11382, 36270, 114992, 365628, 1162290, 3692624, 11733828, 37293892, 118504546, 376583590, 1196750110, 3803034578, 12085297922, 38405269512, 122045123484, 387837623386, 1232482503260, 3916616317912 ]
[ "nonn" ]
A179167
[ 3, 4, 11, 37, 134, 496, 1847, 6889, 25706, 95932, 358019, 1336141, 4986542, 18610024, 69453551, 259204177, 967363154, 3610248436, 13473630587, 50284273909, 187663465046, 700369586272, 2613814880039, 9754889933881 ]
[ "nonn", "uned", "easy" ]
A243606
[ 4, 10, 29, 97, 366, 1534, 7050, 35167, 188834, 1084123, 6616633, 42711918, 290232665, 2066233824, 15337289086, 118111928594, 938944428249, 7667833845713, 64035036092080, 544629289107076, 4700922875545352 ]
[ "nonn" ]
A207217
[ 69, 4761, 247163, 12584703, 647820815, 33403462497, 1721695415743, 88730578258613, 4572950799187243, 235680064764200740, 12146435820476346000, 626000438753879500000, 3.226268022130945e+22, 1.6627473772815164e+24 ]
[ "nonn" ]
A188891
[ 3, 36, 210, 6, 55, 21, 325, 10, 0, 105, 36, 1275, 15, 45, 231, 0, 946, 276, 21, 11935, 66, 136, 351, 1596, 78, 28, 1225, 595, 820, 58653, 190, 325, 1335795, 36, 6670, 0, 561, 4005, 120, 1128, 1485, 203841, 45, 666, 6903, 465, ...
[ "nonn" ]
A150986
[ 1, 2, 9, 37, 163, 742, 3417, 15920, 75135, 356274, 1698999, 8146005, 39176567, 188995010, 914447693, 4433447099, 21536356139, 104809992100, 510795470725, 2492722292419, 12180001835433, 59576187799646, 291691287247123, 1429462763111044, 7010807607813331, 344102792828...
[ "nonn", "walk" ]
A045752
[ 4, 7, 9, 10, 13, 14, 16, 19, 22, 23, 24, 25, 28, 29, 30, 31, 34, 36, 37, 39, 40, 43, 44, 46, 47, 49, 51, 52, 54, 55, 58, 59, 61, 62, 64, 65, 67, 69, 70, 72, 73, 74, 75, 76, 79, 80, 81, 82, 84, 85, 86, 88, 89, 9...
[ "nonn", "easy" ]
A301897
[ 1, 2, 6, 23, 103, 511, 2719, 15205, 88197, 526018, 3206206, 19885911, 125107063, 796453594, 5121305414, 33213428285, 216998830397, 1426936199824, 9436710005524, 62723077297135, 418784925848463, 2807458708620337, 18889686239933520, 127520180043751310, 86347339716765700...
[ "nonn" ]
A169905
[ 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 111, 117, 133, 139, 153, 157, 173, 179, 191, 197, 203, ...
[ "nonn" ]
A081746
[ 1, 6, 11, 16, 21, 18, 23, 28, 33, 38, 35, 40, 45, 50, 55, 52, 57, 54, 59, 64, 61, 66, 63, 68, 73, 78, 83, 80, 85, 90, 95, 100, 97, 102, 99, 104, 109, 106, 111, 108, 113, 118, 123, 128, 125, 130, 135, 140, 145, 142, 1...
[ "nonn", "look", "hear" ]
A122551
[ 2, 24, 960, 80640, 11612160, 2554675200, 797058662400, 334764638208000, 182111963185152000, 124564582818643970000, 1.0463424956766093e+23, 1.0588986056247287e+26, 1.2706783267496744e+29 ]
[ "easy", "nonn" ]
A089495
[ -1, 0, 1, 0, 0, 1, 0, 0, 0, -1, 0, 1, -1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, -1, 0, 0, -1, -1, 0, 0, -1, 0, 0, 0, 1, 0, 0, -1, 0, -1, 0, 1, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, -1, 0, 0, 0, 1, -1, 0, ...
[ "sign" ]
A373168
[ 1, 1, 1, 3, 1, 1, 13, 2, 2, 1, 73, 6, 6, 3, 1, 501, 24, 24, 12, 4, 1, 4051, 120, 120, 60, 20, 5, 1, 37633, 720, 720, 360, 120, 30, 6, 1, 394353, 5040, 5040, 2520, 840, 210, 42, 7, 1, 4596553, 40320, 40320, 20160, 6720,...
[ "nonn", "tabl" ]
A143091
[ 1, 1, 2, 3, 3, 4, 5, 5, 6, 8, 8, 8, 9, 9, 11, 12, 12, 12, 14, 14, 14, 16, 16, 17, 18, 18, 18, 22, 22, 22, 22, 22, 24, 24, 24, 25, 27, 27, 27, 27, 27, 31, 33, 33, 33, 34, 34, 34, 36, 36, 36, 36, 36, 37, 41, ...
[ "nonn" ]
A084834
[ 1, 3, 5, 7, 9, 11, 13, 15, 17, 4, 6, 30, 38, 10, 36, 14, 34, 42, 39, 21, 69, 27, 33, 45, 20, 16, 24, 50, 25, 51, 66, 18, 72, 54, 60, 74, 22, 8, 19, 41, 28, 48, 44, 40, 78, 57, 35, 58, 102, 12, 63, 65, 64, 56, ...
[ "nonn" ]
A281012
[ 1, 1, 1, 2, 1, 2, 2, 2, 1, 1, 1, 3, 2, 3, 2, 1, 1, 2, 1, 2, 2, 4, 2, 1, 1, 3, 2, 2, 2, 2, 1, 3, 2, 1, 1, 4, 2, 2, 2, 3, 2, 3, 2, 1, 1, 1, 1, 4, 2, 2, 2, 4, 2, 3, 2, 1, 1, 2, 2, 4, 2, 2, 3, 5...
[ "nonn" ]
A304454
[ 0, 1, 1, 2, 5, 15, 51, 191, 773, 3338, 15243, 73131, 366815, 1916260, 10394665, 58404853, 339223859, 2033188222, 12556915219, 79807729238, 521399203037, 3497978659977, 24076009827669, 169865542733652, 1227553152971419, 9079751310622580, 68692742886823210 ]
[ "nonn" ]
A049374
[ 1, 6, 1, 42, 18, 1, 336, 276, 36, 1, 3024, 4200, 960, 60, 1, 30240, 66024, 23400, 2460, 90, 1, 332640, 1086624, 557424, 87360, 5250, 126, 1, 3991680, 18805248, 13349952, 2916144, 255360, 9912, 168, 1, 51891840, 342486144, 325854144, 95001...
[ "easy", "nonn", "tabl" ]
A098401
[ 1, 3, 27, 270, 2835, 30618, 336798, 3752892, 42220035, 478493730, 5454828522, 62482581252, 718549684398, 8290957896900, 95938227092700, 1112883434275320, 12937269923450596, 150681143814306940, 1757946677833580800, 20540219077844996000, 240320563210786470000 ]
[ "easy", "nonn" ]
A304412
[ 1, 6, 8, 9, 12, 48, 16, 12, 12, 72, 24, 72, 28, 96, 96, 15, 36, 72, 40, 108, 128, 144, 48, 96, 18, 168, 16, 144, 60, 576, 64, 18, 192, 216, 192, 108, 76, 240, 224, 144, 84, 768, 88, 216, 144, 288, 96, 120, 24, 108, 2...
[ "nonn", "easy", "mult" ]
A203776
[ 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 2, 2, 1, 1, 2, 3, 3, 2, 2, 3, 5, 5, 3, 3, 5, 7, 7, 6, 5, 7, 11, 11, 8, 8, 12, 15, 15, 13, 12, 16, 22, 22, 18, 18, 24, 30, 31, 27, 26, 33, 42, 43, 37, 37, 47, 57, 58, 53, ...
[ "nonn" ]
A193089
[ 5, 1, 8, 7, 2, 3, 3, 3, 8, 6, 8, 4, 9, 2, 9, 1, 9, 6, 9, 9, 3, 0, 2, 7, 7, 7, 7, 0, 3, 8, 8, 6, 5, 6, 0, 3, 0, 4, 1, 5, 2, 8, 4, 0, 5, 3, 5, 4, 2, 4, 5, 3, 7, 9, 2, 7, 2, 3, 3, 3, 6, 9, 3, 7...
[ "nonn", "cons" ]
A015623
[ 0, 0, 0, 0, 2, 2, 10, 14, 24, 26, 68, 72, 151, 167, 192, 228, 411, 431, 708, 758, 858, 928, 1419, 1475, 1874, 2013, 2353, 2499, 3515, 3571, 4856, 5254, 5747, 6089, 6795, 6979, 9129, 9630, 10437, 10800, 13768, 13978, 17500, 18275, ...
[ "nonn" ]
A214817
[ 0, 0, 0, 0, 8, 252, 4956, 77992, 1074564, 13545216, 160174960, 1805010948, 19588944336, 206254571236, 2118399516180, 21310566266640, 210636265153004, 2050696768165560, 19704531058696010, 187168609978022850, 1759888050471704600, 16398685297890140000, 151570887948878280000 ...
[ "nonn" ]
A329517
[ 1, 3, 6, 9, 12, 12, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10...
[ "nonn" ]
A004833
[ 0, 1, 2, 3, 4, 16, 17, 18, 19, 32, 33, 34, 48, 49, 64, 81, 82, 83, 84, 97, 98, 99, 113, 114, 129, 162, 163, 164, 178, 179, 194, 243, 244, 256, 257, 258, 259, 272, 273, 274, 288, 289, 304, 324, 337, 338, 339, 353, 354, ...
[ "nonn" ]
A155617
[ 1, 9, 51, 279, 1551, 8799, 50751, 296319, 1745151, 10339839, 61514751, 366991359, 2193559551, 13127802879, 78632599551, 471258726399, 2825404874751, 16943839313919, 101628676145151, 609634617917439, 3657257951690751 ]
[ "nonn", "easy" ]
A191378
[ 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 67, 73, 83, 101, 107, 127, 131, 137, 139, 149, 151, 163, 173, 179, 181, 191, 197, 199, 211, 223, 239, 251, 269, 307, 349, 359, 367, 379, 383, 389, 443, 449, 457, 4...
[ "nonn" ]
A302264
[ 64, 5135, 96004, 1984001, 41994750, 893462062, 18964765818, 402597400706, 8547940665506, 181527035285787, 3854821615967821, 81862339042940670, 1738453613332468000, 36918733850285690000, 784027054636001000000 ]
[ "nonn" ]
A170061
[ 1, 4, 12, 36, 108, 324, 972, 2916, 8748, 26244, 78732, 236196, 708588, 2125764, 6377292, 19131876, 57395628, 172186884, 516560652, 1549681956, 4649045868, 13947137604, 41841412812, 125524238436, 376572715308, 1129718145924 ]
[ "nonn" ]
A090504
[ 1, 3, 7, 21, 27, 39, 101, 169, 239, 247, 263, 291, 381, 391, 447, 489, 509, 531, 619, 699, 821, 981, 1011, 1267, 1367, 1483, 1691, 1777, 2241, 2351, 2403, 2859, 4153, 4793, 5299, 5513, 5553, 5673, 5797, 6813, 7491, 7721, 7861, 807...
[ "base", "nonn" ]
A236692
[ 1, 2, 6, 36, 156, 210, 270, 306, 576, 690, 936, 966, 2136, 2310, 2550, 2706, 2850, 3390, 3966, 4026, 4176, 4260, 4566, 4590, 5226, 5430, 5850, 6120, 6216, 6360, 6420, 6546, 7410, 7536, 8940, 9126, 9240, 9276, 9900, 10530, 10836, 11286...
[ "nonn" ]
A187765
[ 0, 4, 3, 0, 0, 8, 1, 1, 0, 0, 3, 3, 3, 9, 1, 0, 5, 4, 2, 8, 8, 5, 4, 6, 0, 1, 2, 7, 5, 0, 8, 7, 2, 3, 0, 0, 2, 2, 7, 9, 4, 0, 6, 0, 7, 3, 0, 4, 0, 7, 3, 2, 4, 8, 8, 6, 9, 0, 7, 4, 3, 5, 7, 0...
[ "nonn", "base" ]
A276884
[ 1, 2, 3, 6, 7, 10, 11, 14, 15, 18, 19, 20, 23, 24, 27, 28, 31, 32, 35, 36, 37, 40, 41, 44, 45, 48, 49, 52, 53, 54, 57, 58, 61, 62, 65, 66, 69, 70, 71, 74, 75, 78, 79, 82, 83, 86, 87, 90, 91, 92, 95, 96, 99, 100...
[ "nonn", "easy" ]
A198716
[ 1, 4, 2027, 173549032, 601755060211186, 5.681743925135605e+22, 1.4325851396020959e+32, 9.642423210032e+42, 1.7325184073281688e+55, 8.309893249009489e+68 ]
[ "nonn" ]
A329983
[ 1, 13, 3, 85, 13, 85, 7, 58, 4, 13, 7, 85, 5, 7, 13, 58, 58, 85, 85, 13, 5, 85, 7, 291, 13, 85, 58, 85, 58, 7, 85, 291, 85, 85, 13, 58, 13, 58, 291, 11, 6, 58, 13, 7, 13, 85, 7, 291, 58, 85, 9, 85, 7, 13, 13,...
[ "nonn" ]
A026299
[ 1, 3, 7, 19, 53, 149, 422, 1202, 3440, 9884, 28495, 82387, 238801, 693689, 2018981, 5886329, 17187891, 50257299, 147135189, 431245977, 1265264799, 3715761759, 10921722348, 32127865392, 94578844458, 278614855862, 821281118993, 2422356077357, 7148679142639 ]
[ "nonn" ]
A337238
[ 9, 37, 41, 49, 141, 149, 153, 165, 169, 177, 197, 201, 209, 225, 541, 557, 565, 569, 589, 597, 601, 613, 617, 625, 653, 661, 665, 677, 681, 689, 709, 713, 721, 737, 781, 789, 793, 805, 809, 817, 837, 841, 849, 865, 901, 905, ...
[ "nonn", "base", "easy" ]
A190327
[ 2, 4, 6, 8, 11, 13, 15, 17, 19, 22, 24, 27, 29, 32, 34, 36, 38, 40, 43, 45, 47, 49, 52, 55, 57, 59, 61, 64, 66, 68, 70, 72, 75, 78, 80, 82, 85, 87, 89, 91, 93, 96, 98, 100, 103, 105, 108, 110, 112, 114, 117, 119, ...
[ "nonn" ]
A245932
[ 1, 1, 1, 9, 41, 121, 281, 673, 2017, 6721, 21121, 61065, 171497, 495769, 1488761, 4509793, 13468897, 39688609, 116869153, 346788009, 1035199817, 3090560089, 9200749433, 27347417281, 81352371841, 242426988961, 723125351521, 2156829477609, 6430792717001, 19174...
[ "nonn" ]
A327447
[ 31, 59, 171, 243, 579, 699, 1203, 1675, 2011, 3331, 3715, 4683, 5859, 6907, 8283, 9451, 12091, 12835, 14523, 17107, 17995, 21235, 24283, 26547, 29763, 32619, 33459, 36483, 42603, 43083, 52435, 54067, 62331, 61755, 70771, 73803, 78307, 84907, ...
[ "nonn" ]
A216306
[ 16, 67, 121, 220, 229, 247, 283, 295, 334, 361, 379, 394, 481, 592, 604, 673, 724, 757, 760, 772, 793, 844, 880, 913, 988, 1024, 1066, 1108, 1144, 1159, 1186, 1192, 1234, 1243, 1303, 1318, 1396, 1417, 1453, 1465, 1471, 1501, 1507, ...
[ "nonn" ]
A261680
[ 1, 4, 6, 8, 13, 16, 22, 28, 34, 44, 50, 60, 59, 72, 70, 80, 92, 88, 114, 96, 125, 104, 152, 120, 172, 144, 188, 152, 215, 144, 242, 160, 272, 172, 302, 180, 329, 216, 352, 240, 388, 228, 430, 228, 442, 212, 476, 192, 506...
[ "nonn", "base" ]
A092623
[ 223, 227, 233, 257, 277, 337, 353, 373, 523, 557, 577, 727, 733, 757, 773, 1223, 1237, 1277, 1327, 1373, 1523, 1553, 1723, 1733, 1753, 1777, 2027, 2053, 2137, 2153, 2203, 2207, 2213, 2221, 2239, 2243, 2251, 2267, 2287, 2293, 2297, 233...
[ "nonn", "base" ]
A272361
[ 182, 546, 910, 1274, 1638, 2002, 2366, 2730, 3094, 3458, 3822, 4186, 4550, 4914, 5278, 5642, 6006, 6370, 6734, 7098, 7462, 7826, 8190, 8554, 8918, 9282, 9646, 10010, 10374, 10738, 11102, 11466, 11830, 12194, 12558, 12922, 13286, 13650, 1401...
[ "nonn" ]
A190321
[ 0, 1, 1, 1, 1, 2, 2, 2, 1, 1, 2, 2, 2, 2, 3, 3, 1, 2, 2, 2, 2, 3, 3, 3, 2, 1, 2, 2, 2, 2, 3, 3, 3, 2, 2, 3, 1, 2, 2, 2, 2, 3, 3, 3, 2, 2, 3, 3, 3, 1, 2, 2, 2, 2, 3, 3, 3, 2, 2, 3, 3, 3, 3, 4...
[ "nonn", "base" ]
A171519
[ 2, 3, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55 ]
[ "nonn" ]
A267107
[ 1, 3, 2, 7, 6, 5, 4, 16, 13, 14, 12, 11, 9, 10, 35, 8, 29, 31, 30, 26, 23, 25, 21, 27, 22, 20, 24, 74, 17, 19, 18, 62, 67, 66, 15, 65, 54, 57, 51, 58, 55, 56, 45, 48, 43, 59, 50, 44, 53, 47, 39, 152, 49, 37, ...
[ "nonn", "look" ]
A384386
[ 1, 1, 2, 5, 16, 82, 907 ]
[ "nonn", "more" ]