id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A128981
[ 1, 4, 17, 19, 148, 1577, 3564, 4388, 5873, 6639, 8579, 62500, 376636, 792949, 996044, 1174065, 3333551, 5179004, 7516003 ]
[ "hard", "more", "nonn" ]
A330946
[ 7, 13, 19, 21, 23, 29, 35, 37, 39, 43, 47, 49, 53, 57, 61, 63, 65, 69, 71, 73, 77, 79, 87, 89, 91, 95, 97, 101, 103, 105, 107, 111, 113, 115, 117, 119, 129, 131, 133, 137, 139, 141, 143, 145, 147, 149, 151, 159, 161, 163, 167, 169, 171, 173, 175, 181, 183, 185 ]
[ "nonn" ]
A321194
[ 1, 3, 1, 6, 3, 1, 17, 12, 3, 1, 40, 35, 12, 3, 1, 125, 112, 45, 12, 3, 1, 354, 347, 148, 45, 12, 3, 1, 1159, 1122, 512, 163, 45, 12, 3, 1, 3774, 3651, 1724, 572, 163, 45, 12, 3, 1, 13113, 12320, 5937, 2020, 593, 163, 45, 12, 3, 1, 46426, 42407, 20492, 7117, 2110, 593, 163, 45, 12, 3, 1 ]
[ "nonn", "tabl" ]
A258068
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 69, 70, 71 ]
[ "nonn", "fini", "full" ]
A298522
[ 1, 2, 0, 8, 2, 9, 3, 7, 9, 7, 2, 2, 6, 7, 6, 7, 8, 2, 5, 1, 8, 5, 9, 1, 5, 4, 9, 9, 5, 6, 0, 9, 5, 2, 7, 8, 9, 5, 9, 0, 1, 9, 6, 8, 9, 6, 0, 8, 0, 9, 8, 8, 5, 5, 6, 7, 8, 7, 0, 0, 7, 2, 7, 8, 1, 5, 2, 0, 1, 2, 7, 4, 3, 3, 5, 5, 2, 2, 1, 3, 7, 9, 1, 0, 3, 7 ]
[ "nonn", "easy", "cons" ]
A258469
[ 9, 10, 11, 12, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 45, 46, 47, 48, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 66, 67, 68, 71, 72, 73, 74, 75, 76, 77, 80, 81, 82, 83, 84, 85, 86, 87, 88, 91 ]
[ "nonn" ]
A340352
[ 1, 192, 4542720, 12116689944576, 3.5448639782664683e+21, 1.1238746955468504e+32, 3.836699156126213e+44, 1.4049625639949163e+59 ]
[ "nonn" ]
A092496
[ 1, 5, 31, 160, 706, 2716, 9331, 28981, 82771, 219806, 548068, 1293146, 2906218, 6254416, 12948238, 25885894, 50139094, 94358704, 172962834, 309473934, 541528218, 928266020, 1561085648, 2579068700, 4190837573, 6705148385, 10573260725, 16446987970, 25257491270 ]
[ "nonn" ]
A196039
[ 0, 1, 4, 9, 18, 30, 50, 75, 113, 162, 231, 318, 441, 593, 798, 1058, 1399, 1824, 2379, 3066, 3948, 5042, 6422, 8124, 10264, 12884, 16138, 20120, 25027, 30994, 38312, 47168, 57955, 70974, 86733, 105676, 128516, 155850, 188644, 227783, 274541 ]
[ "nonn" ]
A389208
[ 40, 104, 136, 240, 232, 312, 296, 328, 400, 408, 424, 488, 600, 624, 584, 696, 712, 816, 840, 776, 808, 888, 872, 904, 984, 1040, 1096, 1272, 1192, 1360, 1256, 1392, 1440, 1464, 1384, 1560, 1448, 1544, 1576, 1800, 1776, 1752, 1968, 2040, 1832, 1864, 1928, 2200, 2136, 2056, 2320, 2152, 2328, 2216, 2424, 2248, 2544 ]
[ "nonn" ]
A146457
[ 1, 1, 1, 1, 1, 1, 3, 5, 15, 27, 85, 213, 947, 2889, 18347, 72469, 534735, 2688781, 25770975, 165859999, 2076582639, 17137608411, 273236370839, 2882703759335, 58601499839763 ]
[ "nonn" ]
A167664
[ 1, 11, 110, 1100, 11000, 110000, 1100000, 11000000, 110000000, 1100000000, 11000000000, 110000000000, 1100000000000, 11000000000000, 110000000000000, 1099999999999945, 10999999999998900, 109999999999983550 ]
[ "nonn" ]
A141756
[ 1.1532563708304383e+77, 3.5750947495743586e+78, 1.634732545357319e+79 ]
[ "nonn", "bref" ]
A310991
[ 1, 4, 8, 10, 14, 18, 20, 26, 32, 34, 40, 44, 46, 50, 56, 60, 62, 66, 70, 74, 76, 86, 90, 90, 96, 98, 100, 104, 114, 116, 118, 122, 126, 130, 132, 146, 144, 144, 150, 152, 156, 160, 174, 172, 174, 178, 182, 184, 186, 204 ]
[ "nonn" ]
A108683
[ 1, 14, 83, 322, 966, 2436, 5418, 10956, 20559, 36322, 61061, 98462, 153244, 231336, 340068, 488376, 687021, 948822, 1288903, 1724954, 2277506, 2970220, 3830190, 4888260, 6179355, 7742826, 9622809, 11868598, 14535032, 17682896, 21379336, 25698288, 30720921 ]
[ "nonn", "easy" ]
A149287
[ 1, 1, 4, 11, 44, 163, 665, 2746, 11685, 50560, 222560, 990647, 4461545, 20261605, 92750052, 427391693, 1980932854, 9228373502, 43188083319, 202928074526, 956967526605, 4527549376056, 21483545535985, 102213596708559, 487492635095972, 2330199032630362, 11161042429983908, 53558921980348750 ]
[ "nonn", "walk" ]
A052054
[ 4, 8, 9, 16, 25, 27, 32, 39, 46, 49, 58, 64, 69, 81, 92, 93, 111, 116, 117, 119, 121, 125, 128, 129, 143, 159, 169, 184, 187, 207, 209, 219, 221, 232, 243, 247, 249, 254, 256, 259, 265, 279, 289, 295, 299, 309, 323, 329, 333, 339, 341, 343, 351, 361, 368, 387 ]
[ "nonn", "base" ]
A145162
[ 1, 1, 5, 51, 757, 14058, 303443, 7313188, 192096189, 5413972155, 161972306602, 5104569475976, 168500227127871, 5800706769824992, 207552636468976060, 7697809237540240000, 295284422299359800000, 1.1693774821978064e+22 ]
[ "nonn" ]
A086681
[ 0, 4, 18, 97, 564, 3512, 23000, 155611, 1077871, 7603553, 54400028, 393615806, 2874398515, 21151907950, 156661034233, 1166746786182, 8731188863470, 65612899915304, 494890204904784, 3745011184713964, 28423094496953330, 216289611853439400, 1649819700464785700 ]
[ "nonn" ]
A023097
[ 245, 2985, 525, 1208, 142857, 20, 2970, 21, 3419, 69034, 11220, 24, 459, 9720, 25935, 55, 13671, 88, 52900, 630, 21775, 535483, 22113, 35, 2175, 35520, 1240, 43520, 102795, 204, 1505, 171, 253783, 2660, 112008, 140, 6027, 89208, 96105, 253, 547515 ]
[ "nonn", "base" ]
A096810
[ 0, 2, 0, 2, 1, 0, 2, 1, 2, 0, 2, 2, 1, 1, 0, 2, 1, 3, 0, 2, 0, 2, 2, 1, 1, 2, 1, 0, 2, 1, 2, 1, 2, 1, 2, 0, 2, 2, 2, 1, 1, 2, 1, 1, 0, 2, 1, 3, 0, 3, 0, 3, 0, 2, 0, 2, 2, 1, 2, 3, 1, 0, 1, 2, 1, 0, 2, 1, 2, 1, 3, 1, 2, 0, 2, 1, 2, 0, 2, 2, 2, 1, 1, 2, 1, 1, 2, 2, 1, 1, 0, 2, 1, 3, 0, 2, 1, 3, 0, 2, 1, 3, 0, 2, 0 ]
[ "nonn", "tabl" ]
A142256
[ 7, 179, 523, 953, 1039, 1297, 2243, 3361, 3533, 3877, 4049, 4651, 4909, 5081, 5167, 5683, 6113, 6199, 7489, 7919, 8263, 8521, 8693, 8779, 8951, 9209, 9467, 9811, 10069, 10499, 11273, 11617, 11789, 12391, 12821, 12907, 13337, 13681, 14197, 14369, 14627, 14713 ]
[ "nonn", "easy" ]
A273298
[ 7, 12, 25, 16, 51, 20, 69, 24, 123, 36, 101, 0, 195, -4, 217, 8, 252, -40, 272, -80, 419, -148, 417, -168, 579, -164, 497, -216, 687, -228, 689, -352, 759, -348, 965, -456, 883, -460, 1145, -392, 939, -588, 1169, -672, 1412, -744, 1304, -896, 1704, -992 ]
[ "sign", "easy" ]
A377762
[ 0, 1, 11, 3013, 3055641151 ]
[ "nonn", "more" ]
A350895
[ 1, 3, 10, 51, 358, 3939, 51208, 870537, 16540204, 380424693, 11032316098, 342001799039, 12654066564444, 518816729142205, 22309119353114816, 1048528609596396400, 55572016308609010000, 3.2787489622079313e+21, 2.0000368669468383e+23, 1.3400247008543815e+25 ]
[ "nonn" ]
A166006
[ 1, 2, 1, 0, 1, 0, -1, 0, -1, -2, -3, -4, -3, -2, -1, 0, 1, 2, 1, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1, 0, 1, 0, -1, -2, -1, -2, -3, -4, -5, -4, -5, -4, -3, -4, -3, -4, -5, -6, -5, -4, -5, -6, -7, -8, -7, -8, -9, -10, -9, -8, -9, -8, -9, -10, -9, -8, -9, -10, -11, -10, -11, -12, -11, -10, -11 ]
[ "base", "look", "sign" ]
A130730
[ 9, 11, 23, 263, 65543, 4294967303, 18446744073709552000, 3.402823669209385e+38, 1.157920892373162e+77 ]
[ "nonn" ]
A071919
[ 1, 1, 0, 1, 1, 0, 1, 2, 1, 0, 1, 3, 3, 1, 0, 1, 4, 6, 4, 1, 0, 1, 5, 10, 10, 5, 1, 0, 1, 6, 15, 20, 15, 6, 1, 0, 1, 7, 21, 35, 35, 21, 7, 1, 0, 1, 8, 28, 56, 70, 56, 28, 8, 1, 0, 1, 9, 36, 84, 126, 126, 84, 36, 9, 1, 0, 1, 10, 45, 120, 210, 252, 210, 120, 45, 10, 1, 0, 1, 11, 55, 165, 330, 462, 462, 330, 165, 55, 11, 1, 0 ]
[ "nonn", "easy", "tabl" ]
A160146
[ 1, 34, -302, -109412, -2399060, 556522744, 36410920696, -3630489660848, -495046505092208, 25514450230996000, 7363491547673817000, -121641971747011890000, -1.2223150448099108e+23, -2.027623214667977e+24, 2.2478367466339939e+27 ]
[ "sign", "frac" ]
A330696
[ 11, 13, 19, 23, 29, 37, 41, 43, 47, 53, 59, 61, 67, 71, 79, 83, 97, 101, 103, 107, 109, 113, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313 ]
[ "nonn", "base" ]
A174064
[ 1, 2, 1, 2, 0, 4, 2, 2, 1, 4, 0, 2, 2, 4, 1, 0, 0, 8, 0, 0, 1, 4, 2, 0, 2, 2, 0, 4, 0, 4, 1, 2, 2, 0, 2, 4, 0, 4, 0, 0, 0, 8, 0, 2, 1, 0, 4, 4, 2, 0, 0, 2, 0, 8, 0, 4, 0, 0, 1, 0, 4, 8, 2, 0, 0, 0, 0, 0, 0, 16, 0, 0, 2, 0, 0, 0, 2, 8, 4, 0, 1, 4, 0, 0, 0, 4, 0, 8, 0, 2, 2, 4, 0, 0, 2, 4, 4, 0, 1, 2, 0, 8, 0, 0, 0 ]
[ "nonn", "tabf", "uned" ]
A024007
[ 1, 0, -511, -19682, -262143, -1953124, -10077695, -40353606, -134217727, -387420488, -999999999, -2357947690, -5159780351, -10604499372, -20661046783, -38443359374, -68719476735, -118587876496, -198359290367 ]
[ "sign", "easy" ]
A207135
[ 1, 2, 5, 32, 796, 77508, 26058970, 28765221688, 101824384364586, 1145306676113095200, 4.061807025570505e+22, 4.5235621460257464e+27, 1.5765016114791385e+33, 1.7146492586695335e+39 ]
[ "nonn" ]
A000788
[ 0, 1, 2, 4, 5, 7, 9, 12, 13, 15, 17, 20, 22, 25, 28, 32, 33, 35, 37, 40, 42, 45, 48, 52, 54, 57, 60, 64, 67, 71, 75, 80, 81, 83, 85, 88, 90, 93, 96, 100, 102, 105, 108, 112, 115, 119, 123, 128, 130, 133, 136, 140, 143, 147, 151, 156, 159, 163, 167, 172, 176, 181, 186 ]
[ "nonn", "nice", "base", "easy" ]
A050893
[ 8, 24, 272, 2304, 3840, 3848, 58748, 63992, 104768, 264932, 628904 ]
[ "hard", "nonn" ]
A022220
[ 1, 43, 1591, 57535, 2072815, 74630671, 2686760143, 96723701071, 3482055254095, 125354001240655, 4512744117222991, 162458788655384130, 5848516394205968000, 210546590207087670000, 7.579677247549194e+21, 2.7286838091233518e+23 ]
[ "nonn", "easy" ]
A214077
[ 1, 1, 2, 3, 5, 7, 10, 14, 20, 28, 39, 54, 76, 106, 148, 207, 289, 403, 563, 785, 1096, 1530, 2135, 2980, 4160, 5806, 8103, 11308, 15782, 22026, 30740, 42901, 59874, 83561, 116618, 162754, 227142, 317003, 442413, 617437 ]
[ "easy", "nonn" ]
A243538
[ 12, 16, 20, 27, 28, 34, 38, 45, 46, 57, 58, 69, 74, 75, 94, 100, 118, 124, 129, 132, 145, 153, 154, 161, 164, 166, 171, 175, 177, 178, 185, 194, 195, 205, 206, 214, 215, 218, 219, 220, 237, 254, 265, 273, 274, 279, 284, 287, 289, 291, 297, 298, 301, 302, 305 ]
[ "nonn", "base" ]
A312896
[ 1, 4, 9, 13, 17, 21, 26, 31, 35, 39, 43, 48, 52, 56, 61, 65, 69, 73, 78, 83, 87, 91, 95, 100, 104, 108, 113, 117, 121, 125, 130, 135, 139, 143, 147, 152, 156, 160, 165, 169, 173, 177, 182, 187, 191, 195, 199, 204, 208, 212 ]
[ "nonn" ]
A293502
[ 0, 1, 5, 12, 22, 35, 50, 69, 90, 114, 141, 171, 203, 239, 277, 318, 362, 408, 458, 510, 565, 623, 684, 748, 814, 883, 956, 1030, 1108, 1189, 1272, 1359, 1448, 1540, 1634, 1732, 1832, 1936, 2042, 2151, 2262, 2377, 2494, 2614, 2737, 2863, 2992, 3123, 3258 ]
[ "nonn", "easy" ]
A254024
[ 123448, 279743, 642050, 1704423, 3486340, 8213023, 18851978, 39885980, 88807962, 188663823, 363746046, 694144469, 1276646676, 2283974672, 4049460972, 7107577621, 12343610434, 21428240289, 37208805784, 64771809982, 113539444616 ]
[ "nonn" ]
A272414
[ 0, 1, 2, 5, 5, 3, 7, 9, 0, 6, 3, 5, 9, 0, 5, 8, 7, 8, 1, 4, 7, 9, 8, 0, 0, 3, 5, 8, 4, 6, 6, 0, 1, 9, 8, 6, 7, 8, 5, 5, 0, 8, 3, 0, 1, 1, 9, 9, 3, 6, 5, 1, 7, 7, 2, 5, 9, 2, 4, 2, 5, 4, 2, 6, 7, 3, 9, 4, 6, 4, 9, 1, 4, 5, 7, 4, 3, 9, 7, 4, 9, 4, 2, 8, 8, 7, 3, 5, 1, 6, 5, 9, 3, 6, 2, 3, 5, 6, 6 ]
[ "nonn", "cons" ]
A345787
[ 471, 497, 504, 597, 623, 630, 635, 642, 649, 654, 661, 667, 680, 686, 691, 693, 712, 717, 723, 728, 736, 738, 741, 743, 752, 754, 755, 762, 774, 780, 781, 783, 784, 785, 788, 791, 793, 797, 800, 802, 804, 810, 813, 814, 815, 817, 819, 820, 821, 830, 834, 837 ]
[ "nonn" ]
A226706
[ 1, 2, 22, 256, 3174, 40862, 539376, 7247448, 98684230, 1357638124, 18831752122, 262974273200, 3692853486768, 52102851020154, 738102882420440, 10492839572260176, 149623214762194180, 2139329701502229200, 30661862088900837000, 440404155129948140000 ]
[ "nonn" ]
A036098
[ 1, 1048577, 3487832977, 1102998412177, 96466943268401, 3751525871703601, 83448424737674980, 1232713770904459000, 13310586963663776000, 112157665459056930000, 772749994932560100000, 4.5065099873800353e+21 ]
[ "nonn", "easy" ]
A031646
[ 7753, 21341, 69250, 105097, 143053, 144569, 146093, 190321, 191194, 195589, 247298, 248293, 307277, 313961, 377437, 446753, 456154, 460213, 527701, 530609, 534986, 536449, 537914, 542321, 624829, 713177, 719945, 730157, 810961, 812762 ]
[ "nonn" ]
A003377
[ 10, 137, 264, 391, 518, 645, 772, 899, 1026, 1153, 1280, 2196, 2323, 2450, 2577, 2704, 2831, 2958, 3085, 3212, 3339, 4382, 4509, 4636, 4763, 4890, 5017, 5144, 5271, 5398, 6568, 6695, 6822, 6949, 7076, 7203, 7330, 7457, 8754, 8881, 9008, 9135, 9262, 9389, 9516, 10940 ]
[ "nonn", "easy" ]
A171404
[ 218, 223, 224, 225, 227, 228, 341, 342, 343, 344, 346, 545, 547, 548, 549, 550, 601, 803, 804, 818, 819, 820, 923, 924, 925, 929, 938, 941, 943, 944, 945, 951, 952, 955, 956, 958, 962, 963, 964, 969, 974, 975, 976, 982, 985, 1346, 1451, 1452, 1454, 1457, 1458, 1461, 1466 ]
[ "nonn" ]
A081845
[ 4, 7, 6, 8, 4, 6, 2, 0, 5, 8, 0, 6, 2, 7, 4, 3, 4, 4, 8, 2, 9, 9, 7, 9, 8, 5, 7, 7, 3, 5, 6, 7, 9, 4, 4, 7, 7, 5, 4, 3, 2, 3, 9, 0, 3, 3, 0, 1, 6, 8, 6, 6, 9, 1, 5, 3, 8, 4, 2, 0, 3, 0, 1, 5, 9, 7, 8, 3, 6, 2, 5, 8, 6, 0, 7, 2, 0, 7, 4, 5, 1, 0, 3, 7, 3, 0, 7, 0, 4, 2, 0, 7, 3, 1, 3, 6, 1, 0, 4, 0, 0, 0, 5, 3, 7 ]
[ "cons", "nonn", "easy" ]
A316740
[ 0, 1, 1, 1, 7, 1, 2, 14, 14, 2, 3, 33, 23, 33, 3, 5, 70, 36, 36, 70, 5, 8, 157, 210, 95, 210, 157, 8, 13, 346, 509, 410, 410, 509, 346, 13, 21, 769, 1219, 392, 4956, 392, 1219, 769, 21, 34, 1710, 4537, 1124, 25047, 25047, 1124, 4537, 1710, 34, 55, 3813, 12446, 3964, 75856 ]
[ "nonn", "tabl" ]
A312409
[ 1, 4, 8, 14, 18, 20, 26, 30, 36, 42, 43, 50, 50, 60, 59, 72, 70, 74, 76, 82, 88, 100, 92, 108, 96, 118, 110, 126, 128, 120, 136, 126, 146, 152, 147, 160, 148, 170, 165, 180, 182, 172, 188, 180, 196, 210, 196, 218, 194, 228 ]
[ "nonn" ]
A104859
[ 1, 2, 5, 17, 72, 345, 1773, 9525, 52788, 299463, 1730178, 10144818, 60211926, 361042498, 2183809018, 13308564682, 81637319641, 503667864976, 3123298907641, 19456221197941, 121696331095636, 764008782313381 ]
[ "nonn", "easy" ]
A342206
[ 1, 3, 31, 485, 10081, 262087, 8193151, 299537289, 12545596801, 592479412811, 31154649926687, 1805486216133613, 114342125644787040, 7857107443850072000, 582268591681887540000, 4.629255216278145e+22, 3.9304487705334245e+24 ]
[ "nonn" ]
A119209
[ 9, 10, 34, 109, 314, 334, 1090, 3334, 33334, 141109, 333334, 436909, 3333334, 4369314, 31609965, 33166234, 33333334, 333333334, 3333333334, 3464100314, 33316662334, 33333333334, 104828011090, 301512701090, 333333333334 ]
[ "nonn", "base" ]
A233890
[ 48300, 1183328, 27131156, 759799284, 19042134996, 537828679688, 13755592501748, 387390404847976, 10003460641597548, 280806316673884540, 7299032599538032000, 204351152523102680000, 5.339436117855061e+21 ]
[ "nonn" ]
A276963
[ 65, 544, 1776, 12240, 13920, 54960, 46800, 149520, 427440, 216240, 950640, 951600, 593040, 1460880, 3010800, 4226880, 1728480, 6305280, 5260560, 2986560, 10551840, 8508240, 15283920, 25787040, 15531120, 8490480, 18528720, 10078560, 21889200, 97097280, 34355280, 57775440 ]
[ "nonn" ]
A176446
[ 1, 21, 8841, 1563274461, 48876540809860090000, 4.777832483075837e+40, 4.565536647266923e+82 ]
[ "nonn" ]
A240641
[ 41, 10072, 2413198, 579476701, 139138607313, 33408897045776, 8021872340896987, 1926147852876420000, 462491172805951160000, 1.1104967337289635e+23, 2.6664357370024596e+25, 6.402431748862886e+27 ]
[ "nonn" ]
A287447
[ 0, 1, 2, 2, 0, 1, 1, 0, 2, 1, 0, 2, 0, 1, 2, 2, 0, 1, 2, 0, 1, 0, 1, 2, 1, 0, 2, 2, 0, 1, 0, 1, 2, 1, 0, 2, 0, 1, 2, 2, 0, 1, 1, 0, 2, 1, 0, 2, 0, 1, 2, 2, 0, 1, 1, 0, 2, 0, 1, 2, 2, 0, 1, 0, 1, 2, 2, 0, 1, 1, 0, 2, 2, 0, 1, 0, 1, 2, 1, 0, 2, 1, 0, 2, 0, 1 ]
[ "nonn", "easy" ]
A000162
[ 1, 1, 2, 8, 29, 166, 1023, 6922, 48311, 346543, 2522522, 18598427, 138462649, 1039496297, 7859514470, 59795121480, 457409613979, 3516009200564, 27144143923583, 210375361379518, 1636229771639924, 12766882202755784 ]
[ "nonn", "nice", "hard", "more" ]
A302792
[ 1, 1, 1, 1, 1, 3, 1, 4, 1, 5, 1, 4, 1, 7, 5, 1, 1, 9, 1, 5, 7, 11, 1, 12, 1, 13, 9, 7, 1, 15, 1, 16, 11, 17, 7, 9, 1, 19, 13, 20, 1, 21, 1, 11, 9, 23, 1, 16, 1, 25, 17, 13, 1, 27, 11, 28, 19, 29, 1, 20, 1, 31, 9, 16, 13, 33, 1, 17, 23, 35, 1, 36, 1, 37, 25, 19, 11, 39, 1, 16, 1, 41, 1, 28, 17, 43, 29, 44, 1, 45, 13, 23, 31, 47, 19, 48, 1 ]
[ "nonn" ]
A135878
[ 1, 1, 1, 2, 2, 1, 6, 6, 3, 1, 25, 25, 12, 4, 1, 138, 138, 63, 19, 5, 1, 970, 970, 421, 113, 28, 6, 1, 8390, 8390, 3472, 832, 190, 38, 7, 1, 86796, 86796, 34380, 7420, 1560, 283, 50, 8, 1, 1049546, 1049546, 399463, 78406, 15250, 2502, 411, 63, 9, 1, 14563135, 14563135 ]
[ "nonn", "tabl" ]
A169434
[ 1, 37, 1332, 47952, 1726272, 62145792, 2237248512, 80540946432, 2899474071552, 104381066575872, 3757718396731392, 135277862282330110, 4870003042163884000, 175320109517899830000, 6.311523942644394e+21 ]
[ "nonn" ]
A160565
[ 1, 0, 1, 2, 1, 6, 9, 12, 41, 60, 121, 310, 505, 1162, 2577, 4760, 11089, 23256, 47089, 107274, 223345, 476366, 1061017, 2237796, 4888313, 10745748, 23048169, 50792638, 111180265, 241786898, 534219297 ]
[ "easy", "nonn" ]
A371673
[ 1, 1, 2, 15, 284, 8575, 345460, 17190684, 1012901520, 68810750943, 5291667341342, 454479660308531, 43140290728900550, 4487833959824528000, 508072065566891440000, 6.222207462001069e+22, 8.200304581300851e+24, 1.1576749855678761e+27, 1.7435701452419354e+29 ]
[ "nonn" ]
A056451
[ 1, 5, 5, 25, 25, 125, 125, 625, 625, 3125, 3125, 15625, 15625, 78125, 78125, 390625, 390625, 1953125, 1953125, 9765625, 9765625, 48828125, 48828125, 244140625, 244140625, 1220703125, 1220703125, 6103515625, 6103515625, 30517578125, 30517578125, 152587890625, 152587890625 ]
[ "nonn", "easy" ]
A208879
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 1, 1, 1, 2, 30, 10, 1, 1, 1, 2, 62, 560, 35, 1, 1, 1, 2, 114, 2830, 11550, 126, 1, 1, 1, 2, 202, 12622, 151686, 252252, 462, 1, 1, 1, 2, 346, 53768, 1754954, 8893482, 5717712, 1716, 1, 1 ]
[ "nonn", "tabl", "walk" ]
A149430
[ 1, 1, 4, 13, 44, 160, 576, 2137, 8000, 30112, 114540, 436996, 1676116, 6453108, 24911776, 96460701, 374292952, 1455282884, 5668438104, 22111680424, 86375698280, 337822484240, 1322699806092, 5184073262824, 20336197487948, 79841329050480, 313699181900844, 1233386086431536, 4852469693781752 ]
[ "nonn", "walk" ]
A187516
[ 24, 36, 48, 124, 126, 128, 132, 135, 162, 168, 175, 184, 204, 208, 216, 224, 234, 240, 244, 246, 248, 250, 264, 273, 276, 280, 284, 288, 306, 312, 315, 324, 328, 336, 342, 345, 348, 357, 360, 366, 369, 372, 375, 378, 384, 396, 408, 412, 420, 424, 426, 428, 432, 435, 448, 452, 456, 462, 468, 472, 476, 480, 488, 492, 495, 520, 524, 528, 540, 564, 584, 612, 624, 630, 636, 639, 642, 648 ]
[ "nonn", "base" ]
A318179
[ 1, 1, -3, 5, 25, -343, 2133, -3603, -112975, 1938897, -18008275, 55198805, 1753746377, -45801271943, 649021707397, -4682002329795, -50792700319903, 2692784088681889, -59182401177647010, 801759226622986900, -2169423359710146300, -263145142263538600000, 9.869607872225171e+21 ]
[ "sign" ]
A158713
[ 7, 47, 127, 167, 239, 439, 479, 607, 967, 1319, 1559, 1999, 2239, 2447, 2719, 3359, 4007, 4327, 4967, 5039, 5279, 5407, 5879, 6007, 6287, 7127, 7607, 8167, 8447, 8527, 8999, 9127, 9439, 9967, 10487, 11087, 11287, 11399, 11527, 11719, 11927, 11959, 12479 ]
[ "nonn" ]
A092003
[ 1848, 3360, 4368, 7392, 16632, 19320, 26520, 28560, 32760, 34320, 36960, 38760, 44520, 52080, 54600, 57720, 62040, 65208, 68880, 69960, 73920, 75768, 78120, 79560, 82992, 83160, 86520, 89760, 95760, 106080, 108240, 108528, 115368 ]
[ "nonn" ]
A275600
[ 0, 1, 2, 6, 36, 37, 260, 1302, 1376, 1380, 1381, 1382, 1556, 1560, 1561, 1562, 16932, 562500, 562501, 562502, 562506, 562512, 562536, 562537, 562752, 562760, 23610752, 23610756, 23610757, 23610786, 23615750, 23615760, 23615761, 23615762, 23615785, 23615786, 23626310 ]
[ "nonn", "base" ]
A032308
[ 1, 3, 3, 12, 12, 21, 48, 57, 84, 120, 228, 264, 399, 516, 732, 1119, 1416, 1884, 2532, 3324, 4296, 6168, 7545, 9984, 12684, 16500, 20577, 26688, 34572, 43032, 54264, 68232, 84972, 106176, 131664, 162507, 205680, 249888, 308856, 377796, 465195, 564024, 691788, 835572, 1017768, 1241040 ]
[ "nonn" ]
A330776
[ 1, 1, 1, 2, 6, 4, 6, 37, 63, 32, 20, 262, 870, 1064, 436, 90, 2217, 12633, 27824, 26330, 9012, 468, 21882, 201654, 710712, 1163320, 895608, 262760, 2910, 249852, 3578610, 18924846, 47608000, 61786254, 40042128, 10270696, 20644, 3245520, 70539124, 538018360, 1950556400, 3792461176, 4070160416, 2275829088, 518277560 ]
[ "nonn", "tabl" ]
A052177
[ 0, 1, 8, 50, 288, 1605, 8824, 48286, 264128, 1447338, 7953040, 43842788, 242507456, 1345868589, 7493458392, 41850173670, 234408444288, 1316541032958, 7413214297968, 41842633282620, 236703844320960 ]
[ "nonn", "walk" ]
A062629
[ 3, 59, 3499, 3571 ]
[ "nonn", "hard" ]
A011336
[ 1, 4, 5, 7, 9, 1, 6, 2, 4, 9, 5, 7, 6, 2, 8, 3, 5, 3, 0, 6, 9, 1, 3, 1, 1, 2, 7, 1, 1, 2, 2, 6, 0, 6, 9, 3, 4, 3, 0, 6, 9, 2, 6, 7, 6, 4, 4, 7, 1, 3, 5, 4, 2, 5, 2, 2, 1, 1, 1, 9, 4, 6, 6, 4, 4, 9, 3, 3, 7, 9, 2, 5, 1, 9, 7, 1, 8, 5, 5, 6, 5, 6, 5, 7, 0, 7, 8, 4, 6, 0, 1, 7, 6, 0, 1, 5, 2, 5, 2 ]
[ "nonn", "cons" ]
A010037
[ 533360, 2502111, 4470862, 6439613, 8408364, 10377115, 12345866, 14314617, 16283368, 18252119, 20220870, 22189621, 24158372, 26127123, 28095874, 30064625, 32033376, 34002127, 35970878 ]
[ "nonn", "easy" ]
A234219
[ 104, 1560, 17448, 167688, 1379816, 11145960, 83324136, 639913896, 4699132904 ]
[ "nonn" ]
A244374
[ 5, 37, 53, 157, 173, 233, 257, 277, 353, 373, 401, 593, 613, 653, 733, 769, 977, 1097, 1297, 1433, 1493, 1613, 1753, 1993, 2137, 2161, 2377, 2417, 2677, 2693, 2749, 2797, 3313, 3533, 3637, 3733, 4013, 4133, 4457, 4513 ]
[ "nonn" ]
A050903
[ 1, 3, 13, 21, 25, 33, 73, 93, 115, 127, 397, 1255, 3751, 3801, 4771, 8997, 10063, 11253, 18663, 27525, 28009, 34041, 55693, 60243, 67891, 77391, 90201, 501991, 509401 ]
[ "hard", "nonn" ]
A363421
[ 1, 0, -1, 0, -3, 8, -5, 24, 7, 32, 27, 80, 11, 120, 91, 112, 105, 224, 119, 288, 171, 280, 315, 440, 207, 480, 475, 520, 459, 728, 435, 840, 651, 832, 891, 952, 665, 1224, 1147, 1216, 975, 1520, 1107, 1680, 1419, 1496, 1755, 2024, 1363, 2112, 1911, 2200, 2091 ]
[ "sign" ]
A230272
[ 0, 30, 2318, 115630, 5524854, 261026756, 12303458948, 580318201510, 27360277625336, 1290051189888410, 60825460594828984, 2867902503350552000, 135220715263225150000, 6.375614702009353e+21, 3.0060824811466296e+23 ]
[ "nonn" ]
A320639
[ 1, 5, 5, 7, 8, 6, 8, 3, 5, 5, 8, 7, 6, 0, 2, 5, 5, 6, 7, 3, 0, 9, 8, 2, 3, 2, 4, 9, 1, 7, 7, 4, 0, 6, 9, 9, 0, 6, 9, 7, 1, 6, 4, 3, 1, 0, 8, 6, 0, 1, 3, 3, 6, 0, 2, 3, 2, 1, 4, 7, 9, 8, 0, 1, 4, 0, 5, 9, 5, 6, 7, 1, 1, 2, 7, 4, 4, 7, 4, 0, 4, 8, 3, 1, 9, 9, 0, 7, 7, 2, 5, 6, 6, 2, 0, 9, 2, 9, 4, 1, 5, 5, 9, 4, 5, 5, 2, 9, 9, 1, 3, 3, 3, 3, 9, 2, 3, 4, 3, 3, 7, 0, 4, 6, 6, 9, 5, 9, 0, 9, 4 ]
[ "nonn", "cons" ]
A157126
[ 1, -2, -3, -3, 8, 11, 11, -30, -41, -41, 112, 153, 153, -418, -571, -571, 1560, 2131, 2131, -5822, -7953, -7953, 21728, 29681, 29681, -81090, -110771, -110771, 302632, 413403, 413403, -1129438, -1542841, -1542841, 4215120, 5757961, 5757961 ]
[ "easy", "sign" ]
A108395
[ 1, 2, 12, 288, 161280, 1393920, 61479419904000, 592612475535360, 6.670903752021073e+21 ]
[ "hard", "nice", "nonn" ]
A048365
[ 1, 0, 52, 10, 160, 520, 100, 1600, 5200, 1000, 16000, 52000, 10000, 160000, 520000, 100000, 1600000, 5200000, 1000000, 16000000, 52000000, 10000000, 160000000, 520000000, 100000000, 1600000000, 5200000000, 1000000000 ]
[ "nonn", "base", "more" ]
A251751
[ 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 2, 4, 7, 14, 28, 56, 112, 224, 448, 895, 1788, 3572, 7137, 14260, 28492, 56928, 113744, 227264, 454080, 907265, 1812742, 3621912, 7236687, 14459114, 28889736, 57722544, 115331344, 230435424, 460416768, 919926271, 1838039800 ]
[ "nonn", "easy" ]
A017673
[ 1, 33, 244, 1057, 3126, 671, 16808, 33825, 59293, 51579, 161052, 64477, 371294, 69333, 254248, 1082401, 1419858, 652223, 2476100, 1652091, 4101152, 120789, 6436344, 687775, 9768751, 6126351, 14408200, 317251, 20511150, 349591, 28629152, 34636833, 13098896 ]
[ "nonn", "frac" ]
A137888
[ 0, 2, 24, 13824, 47421358080 ]
[ "nonn", "more" ]
A278784
[ 109, 230, 557, 675, 1094, 1679, 2070, 2314, 2594, 2781, 2873, 3133, 3498, 3548, 3595, 3601, 3629, 3911, 4059, 4171, 4264, 4274, 4501, 4568, 4878, 4889, 5112, 5136, 5507, 5675, 5907, 6059, 6152, 6260, 6490, 6667, 6669, 6938, 6961, 7667, 8013, 8640, 8729, 9171 ]
[ "nonn" ]
A242071
[ 2, 0, 4, 1, 5, 4, 8, 1, 8, 6, 4, 1, 2, 1, 3, 2, 4, 1, 8, 0, 4, 5, 4, 9, 0, 1, 5, 8, 3, 8, 1, 4, 5, 5, 8, 6, 6, 3, 4, 0, 2, 5, 0, 2, 5, 2, 5, 6, 4, 6, 9, 1, 9, 1, 5, 5, 1, 2, 1, 3, 1, 2, 8, 1, 0, 5, 3, 6, 2, 1, 0, 6, 3, 7, 6, 7, 0, 0, 1, 2, 0, 9, 7, 1, 1, 0, 5, 5, 6, 4, 3, 9, 7, 6, 4, 3, 2, 8, 6, 9, 5, 5 ]
[ "nonn", "cons" ]
A303848
[ 1, 10, 2, 11, 3, 12, 4, 13, 5, 14, 6, 15, 7, 16, 8, 17, 9, 18, 100, 19, 101, 20, 102, 21, 103, 22, 104, 23, 105, 24, 106, 25, 107, 26, 108, 27, 109, 28, 110, 29, 111, 30, 112, 31, 113, 32, 114, 33, 115, 34, 116, 35, 117, 36, 118, 37, 119, 38, 120, 39, 121, 40, 122, 41, 123, 42, 124, 43, 125, 44, 126, 45, 127, 46, 128, 47 ]
[ "nonn", "base" ]
A152209
[ 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, 18, 1, 6, 1, 6, 1, 5, 2, 11, 12, 12, 17, 1, 11, 1, 8, 1, 8, 11, 11, 6, 11, 16, 11, 9, 11, 9, 4, 11, 11, 11, 12, 12, 15, 11, 11, 11, 5, 11, 11, 11, 11, 12, 12, 14, 11, 11, 12, 12, 12, 12, 12, 13, 11, 12, 13, 11, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 21, 12 ]
[ "sign" ]
A112610
[ 1, 6, 13, 14, 18, 32, 31, 30, 48, 38, 42, 78, 57, 54, 80, 62, 84, 96, 74, 96, 121, 108, 90, 128, 98, 102, 192, 110, 114, 182, 133, 156, 176, 160, 138, 192, 180, 150, 234, 158, 192, 288, 183, 174, 240, 182, 228, 320, 194, 198, 272, 252, 240, 288, 256, 252, 403, 230 ]
[ "nonn" ]
A174544
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 7, 1, 1, 1, 1, 15, 15, 1, 1, 1, 1, 31, 90, 31, 1, 1, 1, 1, 63, 301, 301, 63, 1, 1, 1, 1, 127, 966, 1701, 966, 127, 1, 1, 1, 1, 255, 3025, 7770, 7770, 3025, 255, 1, 1, 1, 1, 511, 9330, 34105, 42525, 34105, 9330, 511, 1, 1 ]
[ "nonn", "tabl" ]
A198397
[ 1, 0, 35, 322, 2373, 16772, 117607, 823494, 5764745, 40353544, 282475179, 1977326666, 13841287117, 96889010316, 678223072751, 4747561509838, 33232930569489, 232630513987088, 1628413597910323, 11398895185373010, 79792266297611860, 558545864083283840, 3909821048582988000 ]
[ "nonn", "easy" ]
A109963
[ 1, -1, 5, -27, 171, -1178, 8582, -65029, 507317, -4047608, 32874104, -270893586, 2259210814, -19032956491, 161735556091, -1384662302187, 11931865642979, -103409449621325, 900778907303037, -7882176975668156, 69253864680597570, -610717827031587800 ]
[ "easy", "sign" ]
A290143
[ 1, 2, 10, 14, 22, 38, 70, 134, 138, 170, 190, 210, 318, 426, 1398, 4170, 6870, 8454, 19866, 22470, 36282, 38370, 70770, 84774, 98790, 132990, 474642, 705990, 961650 ]
[ "nonn", "more" ]