id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A097570
[ 360, 120, 24, 17, 2, 9, 4, 64, 3, 6, 1, 72, 102, 119, 66, 51, 34, 66, 89, 283, 52, 84, 59, 554, 81, 44, 328, 69, 26, 36, 101, 42, 898, 17, 121, 193, 69, 137, 346, 2, 868, 412, 101, 247, 417, 1732, 206, 2278, 109, 762, ...
[ "nonn" ]
A278347
[ 1, 1, 0, 1, 1, 0, -1, -1, 0, 1, 1, 2, 1, 1, 0, -1, -1, -2, -1, -1, 0, -1, -1, 0, 1, 1, 0, 1, 1, 2, 1, 1, 0, 1, 1, 0, -1, -1, 0, -1, -1, 0, 1, 1, 0, -1, -1, -2, -1, -1, 0, 1, 1, 0, -1, -1, 0, -1, -1, ...
[ "easy", "sign" ]
A067452
[ 19, 28, 82, 91, 1128, 1182, 1199, 1218, 1281, 1339, 1393, 1812, 1821, 1919, 1933, 1991, 2118, 2181, 2288, 2811, 2828, 2882, 2899, 2989, 2998, 3139, 3193, 3319, 3391, 3913, 3931, 8112, 8121, 8211, 8228, 8282, 8299, 8822, 8929, 8992, 9119...
[ "base", "easy", "nonn" ]
A256828
[ 2, 6, 18, 48, 204, 10386, 19524, 28320 ]
[ "more", "hard", "nonn" ]
A179568
[ 0, 0, 0, 1, 6, 73, 534, 6095, 54048, 680233, 7218930, 102769819, 1279247260, 20545125053, 294350830326, 5287381093455, 85819208861136, 1708363220642257 ]
[ "nonn" ]
A115236
[ 1, -1, 1, 1, -2, 1, -1, 2, -2, 1, 0, 0, 1, -2, 1, 1, -2, 1, 1, -2, 1, 0, 0, 0, 0, 1, -2, 1, -1, 2, -2, 1, 0, 1, -2, 1, 0, 0, 0, 0, 0, 0, 1, -2, 1, 0, 0, 1, -2, 1, 0, 0, 1, -2, 1, 0, 0, 0, 0, 0, 0,...
[ "sign", "tabl" ]
A004295
[ 1, 44, 1848, 77572, 3256176, 136681820, 5737380264, 240833289268, 10109260768992, 424348119008396, 17812511737583640, 747701144859504500, 31385635572361605000, 1.317448992894328e+21, 5.530147206598941e+22, 2.321344377778661e+24 ]
[ "nonn", "easy" ]
A128571
[ 1, 2, 12, 114, 1440, 22368, 409248, 8585088, 202733760, 5317663680, 153345634560, 4821848409600, 164211751261440, 6022162697840640, 236652023784960000, 9921992082873223000, 442138176056374500000, 2.0869300232695597e+22, 1.0402100065216402e+24, 5.460092915927041e+25 ]
[ "nonn" ]
A308494
[ 8, 12, 18, 24, 36, 40, 56, 60, 72, 80, 84, 88, 96, 104, 108, 128, 132, 136, 152, 156, 180, 184, 204, 228, 232, 240, 248, 252, 276, 288, 296, 328, 344, 348, 360, 372, 376, 384, 396, 444, 448, 450, 468, 472, 480, 488, 492, 5...
[ "nonn" ]
A002802
[ 1, 10, 70, 420, 2310, 12012, 60060, 291720, 1385670, 6466460, 29745716, 135207800, 608435100, 2714556600, 12021607800, 52895074320, 231415950150, 1007340018300, 4365140079300, 18839025605400, 81007810103220, 347176329013800, 1483389769422600 ]
[ "nonn", "easy" ]
A151349
[ 1, 0, 1, 1, 5, 8, 40, 91, 406, 1167, 4956, 16349, 68312, 246502, 1027322, 3938800, 16499271, 65979431, 278832735, 1149369374, 4907324239, 20691994829, 89274013063, 383084876832, 1669457571727, 7264787659538, 31956494188222, 140668018518295, 624084995417305, ...
[ "nonn", "walk" ]
A267862
[ 1, 2, 5, 13, 32, 77, 178, 399, 877, 1882, 3959, 8179, 16636, 33333, 65894, 128633, 248169, 473585, 894573, 1673704, 3103334, 5705383, 10405080, 18831761, 33836627, 60378964, 107035022, 188553965, 330166814, 574815804, 995229598, 1714004131, 2936857097 ...
[ "nonn", "walk" ]
A279839
[ 1, -2, 20, -496, 23120, -1747360, 195269568, -30288321792, 6227935871232, -1639388975800832, 537520438716580860, -214739554795652500000, 1.0265324145927767e+23, -5.783807111312906e+25, 3.7921092324167374e+28, -2.861668113879804e+31, 2.4621851021674984e+34 ]
[ "sign" ]
A191220
[ 6, 5, 6, 1, 7, 6, 3, 4, 3, 5, 5, 8, 6, 8, 3, 5, 3, 5, 9, 9, 1, 7, 8, 0, 0, 1, 5, 7, 8, 1, 5, 2, 3, 0, 3, 9, 0, 8, 9, 0, 4, 7, 9, 0, 4, 2, 8, 0, 0, 6, 8, 6, 5, 5, 1, 3, 1, 9, 2, 4, 4, 8, 6, 0...
[ "nonn", "cons" ]
A012669
[ 2, 352, 1140992, 18447112192, 921987413245952, 110532127751546600000, 2.711282535349226e+25, 1.2196239245956706e+31 ]
[ "nonn" ]
A172354
[ 195, 1491, 1547, 1947, 2139, 2715, 2749, 2751, 2847, 2967, 3359, 3615, 3819, 4011, 4013, 4015, 4047, 4155, 4547, 5019, 5449, 5647, 5741, 5779, 6351, 6353, 6355, 6447, 6547, 6563, 6565, 6567, 6947, 6959, 6961, 6963, 7347, 7503, 7545, 7683,...
[ "nonn" ]
A097575
[ 1, 1, 1, 2, 1, 2, 2, 3, 2, 3, 3, 5, 3, 5, 5, 8, 5, 8, 8, 13, 8, 13, 13, 21, 13, 21, 21, 34, 21, 34, 34, 55, 34, 55, 55, 89, 55, 89, 89, 144, 89, 144, 144, 233, 144, 233, 233, 377, 233, 377, 377, 610, 377, 610, ...
[ "nonn" ]
A204783
[ 3871, 224843, 5719981, 7174463023, 720594943717 ]
[ "nonn" ]
A223659
[ 1, 4, 16, 50, 130, 296, 610, 1163, 2083, 3544, 5776, 9076, 13820, 20476, 29618, 41941, 58277, 79612, 107104, 142102, 186166, 241088, 308914, 391967, 492871, 614576, 760384, 933976, 1139440, 1381300, 1664546, 1994665, 2377673, 2820148, 3329264 ]
[ "nonn" ]
A275387
[ 0, 0, 0, 1, 0, 2, 0, 3, 1, 2, 0, 8, 0, 2, 2, 6, 0, 8, 0, 8, 2, 2, 0, 18, 1, 2, 3, 8, 0, 15, 0, 10, 2, 2, 2, 24, 0, 2, 2, 18, 0, 15, 0, 8, 8, 2, 0, 32, 1, 8, 2, 8, 0, 18, 2, 18, 2, 2, 0, 44, 0, 2...
[ "nonn" ]
A288934
[ 1, 3, 5, 6, 8, 10, 11, 12, 14, 16, 17, 19, 21, 22, 23, 24, 26, 28, 29, 31, 33, 34, 35, 37, 39, 40, 42, 44, 45, 46, 47, 48, 50, 52, 53, 55, 57, 58, 59, 61, 63, 64, 66, 68, 69, 70, 71, 73, 75, 76, 78, 80, 81, 82,...
[ "nonn", "easy" ]
A305923
[ 1, 2, 6, 21, 105, 580, 4332, 33173, 333057, 3249334, 41175698, 485901669, 7470988137, 102962077608, 1870375878472, 29342124588357, 617978798588225, 10818920340476010, 260570216908845400, 5009431835664474000, 136578252867673640000, 2.844357524328057e+21, 8.71348823386201e+...
[ "sign" ]
A071742
[ 1, 1, 2, 5, 15, 44, 137, 443, 1472, 4994, 17225, 60216, 212874, 759696, 2733226, 9902857, 36100570, 132319230, 487333545, 1802620860, 6693765210, 24943905720, 93249826830, 349623734070, 1314370414344, 4953428965092 ]
[ "nonn" ]
A070968
[ 0, 1, 15, 204, 3940, 113865, 4662231, 256485040, 18226108944, 1623855701385, 177195820499335, 23237493232953516, 3605437233380095500, 653193551573628900000, 1.3663495018031722e+23, 3.268158959070996e+25, 8.863149183726258e+27 ]
[ "nonn" ]
A090193
[ 1, 2, 0, 2, 0, 1, 0, 1, 2, 2, 0, 1, 0, 1, 2, 1, 2, 0, 0, 1, 2, 1, 2, 0, 2, 0, 1, 2, 0, 1, 0, 1, 2, 1, 2, 0, 0, 1, 2, 1, 2, 0, 2, 0, 1, 1, 2, 0, 2, 0, 1, 0, 1, 2, 0, 1, 2, 1, 2, 0, 2, 0, 1, 1...
[ "base", "nonn" ]
A029422
[ 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 2, 1, 1, 0, 0, 1, 3, 2, 1, 1, 1, 2, 4, 3, 2, 1, 2, 3, 5, 4, 3, 3, 3, 5, 7, 5, 4, 4, 5, 6, 9, 7, 6, 6, 7, 9, 11, 9, 8, 8, 9, 11, 14, 12, 11, 11, 12, 14, 17, 15...
[ "nonn" ]
A186147
[ 1, 4, 8, 11, 16, 20, 25, 30, 35, 41, 47, 53, 59, 66, 73, 79, 87, 94, 101, 109, 117, 125, 133, 141, 149, 158, 167, 176, 185, 194, 203, 213, 222, 232, 242, 251, 262, 272, 282, 292, 303, 314, 324, 335, 346, 357, 369, 380, 3...
[ "nonn" ]
A379121
[ 225, 3025, 3249, 12321, 29241, 38025, 91809, 216225, 247009, 354025, 408321, 751689, 772641, 855625, 919681, 1366561, 1595169, 3814209, 9828225, 11189025, 12173121, 12709225, 29430625, 47927929, 52403121, 66471409, 67486225, 77457601, 80263681, 94148209, 1...
[ "nonn" ]
A240014
[ 1, 0, 1, 1, 2, 2, 4, 4, 7, 8, 12, 14, 20, 24, 32, 41, 51, 65, 81, 102, 125, 158, 190, 239, 287, 357, 426, 528, 626, 769, 913, 1110, 1314, 1590, 1877, 2255, 2660, 3174, 3738, 4439, 5215, 6162, 7230, 8502, 9954, 11666, 13626, ...
[ "nonn" ]
A146287
[ 1, 1, 1, 1, 1, 13, 49, 205, 661, 1997, 13307, 88591, 614455, 6581035, 95397503, 1522572859, 23440615715, 367710019427, 8011532526037, 207007785752989, 6626542824985383 ]
[ "nonn" ]
A278393
[ 1, 4, 26, 194, 1521, 12289, 101205, 844711, 7120398, 60477913, 516774114, 4437360897, 38256405777, 330948944639, 2871299293535, 24973776734091, 217690276938940, 1901204163460913, 16632544424086900, 145730139895667870, 1278596503973570600, 11231908572986042000 ]
[ "nonn", "walk" ]
A108074
[ 1, 1, 1, 2, 2, 1, 6, 5, 3, 1, 19, 16, 9, 4, 1, 63, 54, 31, 14, 5, 1, 219, 188, 111, 52, 20, 6, 1, 787, 676, 405, 197, 80, 27, 7, 1, 2897, 2492, 1508, 752, 320, 116, 35, 8, 1, 10869, 9361, 5712, 2900, 1276, 489, 161...
[ "nonn", "tabl", "easy" ]
A375595
[ 23, 29, 35, 41, 47, 53, 59, 65, 71, 77, 79, 83, 89, 95, 99, 101, 107, 111, 113, 119, 125, 131, 137, 139, 143, 149, 155, 159, 161, 167, 173, 179, 185, 191, 197, 199, 203, 209, 215, 219, 221, 223, 227, 233, 239, 245, 251, 25...
[ "nonn" ]
A192584
[ 2, 4, 5, 6, 8, 10, 11, 13, 17, 23, 31, 37, 41, 47, 53, 61, 67, 79, 83, 89, 101, 103, 107, 131, 137, 139, 149, 167, 179, 223, 263, 269, 283, 311, 317, 359, 367, 499, 557, 607, 619, 643, 719, 787, 809, 823, 857, 1031, 1049...
[ "nonn", "fini", "full" ]
A387648
[ 1, 0, 0, 1, 2, 0, 1, 12, 4, 1, 30, 60, 9, 56, 280, 225, 106, 840, 1681, 852, 2012, 7393, 8102, 6116, 24089, 48288, 39312, 69889, 206354, 268496, 264993, 715868, 1419892, 1498177, 2407662, 5980620, 8659497, 10078152, 21975496, 42559393, ...
[ "nonn" ]
A354100
[ 0, 1, 0, 0, 1, 1, 0, 1, 0, 2, 1, 0, 0, 1, 1, 0, 2, 1, 0, 1, 0, 2, 1, 1, 0, 1, 0, 0, 1, 2, 0, 2, 1, 3, 1, 0, 0, 1, 0, 2, 1, 1, 0, 1, 1, 2, 1, 0, 1, 1, 2, 0, 3, 1, 2, 1, 0, 2, 1, 1, 0, 1, 0, 0...
[ "nonn" ]
A089504
[ 1, 6, 1, 36, 30, 1, 216, 756, 90, 1, 1296, 18360, 6156, 210, 1, 7776, 441936, 387720, 31356, 420, 1, 46656, 10614240, 23705136, 4150440, 119556, 756, 1, 279936, 254788416, 1432922400, 521757936, 29257200, 373572, 1260, 1, 1679616 ]
[ "nonn", "easy", "tabl" ]
A321169
[ 3, 2, 43, 79, 241, 727, 3643, 15307, 19681, 164023, 1673053, 885733, 2657203, 18600433, 23914843, 100442347, 358722673, 645700813, 4519905703, 18983603959, 48427561123, 31381059607, 261508830073, 1307544150373, 3295011258943, 24006510600883, 12709329141643, 5337...
[ "nonn" ]
A027585
[ 1, 2, 3, 4, 6, 8, 10, 13, 17, 21, 26, 33, 39, 48, 59, 68, 82, 97, 113, 133, 155, 179, 207, 240, 273, 312, 358, 404, 459, 521, 584, 659, 742, 829, 927, 1037, 1153, 1282, 1428, 1579, 1748, 1938, 2134, 2352, 2595, 2847, 3127, ...
[ "nonn", "eigen" ]
A132852
[ 1, 1, 2, 4, 14, 62, 462, 5380, 105626, 3440686, 196429906, 19603795552, 3496015313038, 1120368106124268, 653253602487886100, 697073727912597700000, 1.3715753422749824e+24 ]
[ "nonn" ]
A206556
[ 0, 0, 0, 0, 0, 1, 0, 1, 1, 2, 2, 5, 4, 8, 9, 14, 16, 26, 28, 42, 50, 69, 82, 114, 133, 179, 215, 279, 335, 434, 516, 657, 789, 987, 1182, 1473, 1754, 2164, 2583, 3154, 3755, 4567, 5414, 6542, 7753, 9307, 11000, 13158, 15...
[ "nonn" ]
A036199
[ 0, 34, 84, 68, 1, 118, 104, 102, 168, 35, 183, 152, 141, 138, 85, 136, 31, 10, 145, 69, 188, 25, 162, 186, 2, 175, 60, 172, 123, 119, 82, 170, 75, 65, 105, 44, 5, 179, 33, 103, 151, 30, 24, 59, 169, 4, 29, 28, 16, 36, ...
[ "nonn", "fini", "full" ]
A132406
[ 2, 0, 0, 0, 1, 1, 3, 5, 11, 22, 44, 94, 201, 438, 968, 2169, 4916, 11258, 26021, 60645, 142405, 336674, 800920, 1916169, 4608313, 11136186, 27030851, 65882701, 161192927, 395795354, 975088102, 2409758306, 5972774015, 14844843846 ]
[ "nonn", "easy" ]
A357493
[ 480, 2688, 56304, 89400, 195216, 2095104, 9724032, 69441408, 1839272960, 5905219584 ]
[ "nonn", "more" ]
A037110
[ 3, 76, 38, 19, 476, 238, 119, 2976, 1488, 744, 372, 186, 93, 2326, 1163, 29076, 14538, 7269, 181726, 90863, 2271576, 1135788, 567894, 283947, 7098676, 3549338, 1774669, 44366726, 22183363, 554584076, 277292038 ]
[ "nonn" ]
A299407
[ 2, 3, 6, 7, 8, 10, 11, 12, 14, 16, 17, 19, 20, 22, 24, 25, 27, 28, 29, 31, 32, 34, 35, 37, 38, 40, 41, 43, 44, 45, 47, 48, 50, 51, 53, 54, 56, 58, 59, 61, 62, 64, 65, 67, 68, 70, 71, 73, 74, 76, 77, 79, 80, 82,...
[ "nonn", "easy" ]
A257527
[ 313, 389, 1283, 1399, 1669, 1787, 2087, 2143, 2713, 2801, 3469, 4091, 4787, 4789, 4903, 4933, 5867, 6037, 6869, 8111, 8627, 9419, 9439, 11701, 11971, 12043, 13229, 13693, 13829, 14591, 16139, 16229, 17027, 17749, 17791, 20611, 20773 ]
[ "nonn" ]
A209398
[ 0, 0, 0, 2, 7, 17, 39, 88, 192, 408, 855, 1775, 3655, 7478, 15228, 30898, 62511, 126177, 254223, 511472, 1027840, 2063600, 4140015, 8300767, 16635087, 33324462, 66736764, 133615658, 267461287, 535294673, 1071191415, 2143357000, 4288290240, 8579130888...
[ "nonn", "easy" ]
A037751
[ 2, 11, 45, 180, 722, 2891, 11565, 46260, 185042, 740171, 2960685, 11842740, 47370962, 189483851, 757935405, 3031741620, 12126966482, 48507865931, 194031463725, 776125854900, 3104503419602, 12418013678411, 49672054713645 ]
[ "nonn", "base" ]
A069709
[ 2, 3, 5, 7, 11, 13, 17, 19, 31, 37, 53, 59, 71, 73, 79, 97, 1021, 1061, 1069, 1087, 1151, 1201, 1223, 1249, 1289, 1429, 1447, 1483, 1487, 1511, 1559, 1601, 1609, 1627, 1663, 1667, 1753, 1847, 1861, 1933, 1951, 1973, 1999, 2011, ...
[ "nonn", "base" ]
A333592
[ 1, 2, 14, 146, 1742, 22252, 296438, 4063866, 56884430, 808970960, 11649069764, 169444272692, 2485268015414, 36707034407396, 545386280953262, 8144809577111146, 122177689609022670, 1839933272106181600, 27804610617723363000, 421476329309967600000, 6.406685024966333e+21 ]
[ "nonn", "easy" ]
A287462
[ 1, 3, 1, 12, 3, 60, 3, 255, 0, 1023, 0, 4095, 3, 16380, 3, 65535, 0, 262137, 5, 1048569, 1, 4194297, 5, 16777201, 15, 67108849, 12, 268435451, 24, 1073741823, 0, 4294967295, 31, 17179869124, 31, 68719476684, 7, 274877906892, 47, 109951162...
[ "nonn", "easy" ]
A259622
[ 0, 1, 2, 5, 17, 79, 503, 4243, 45823, 612809, 9903031, 189244327, 4203344543, 106963067069, 3081230793857, 99460155441599, 3566360917197283, 140987300677114820, 6104597616658111000, 287835273618906450000 ]
[ "nonn" ]
A078269
[ 11, 1221, 132231, 14233241, 1524334251, 162534435261, 17263544536271, 1827364554637281, 192837465564738300, 1.120394857667585e+21, 1.1213140596877869e+25, 1.122314151607989e+29 ]
[ "base", "less", "nonn" ]
A070041
[ 1, 2, 5, 3, 4, 11, 12, 13, 6, 7, 14, 10, 8, 9, 29, 30, 33, 31, 32, 36, 37, 34, 15, 16, 35, 19, 17, 18, 40, 41, 42, 25, 26, 38, 27, 20, 21, 39, 28, 24, 22, 23, 85, 86, 89, 87, 88, 95, 96, 97, 90, 91, 98, 94, 9...
[ "nonn" ]
A244517
[ 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 2, 1, 2, 1, 4, 2, 3, 3, 6, 3, 6, 4, 10, 6, 10, 7, 19, 13, 17, 16, 31, 22, 34, 28, 48, 39, 54, 49, 76, 62, 84, 79, 120, 96, 133, 124, 179, 162, 202, 193, 275, 249, 315, 300, ...
[ "nonn" ]
A370667
[ 9876543210, 9876124053, 9863527104, 9846032571, 9847103256, 9247560381 ]
[ "base", "easy", "fini", "full", "nonn" ]
A245243
[ 1, 1, 1, 1, 3, 1, 1, 28, 10, 1, 1, 455, 495, 35, 1, 1, 10626, 54264, 8008, 126, 1, 1, 324632, 10518300, 4686825, 125970, 462, 1, 1, 12271512, 3190187286, 5586853480, 354817320, 1961256, 1716, 1, 1, 553270671, 1399358844975, 11899700525790...
[ "nonn", "tabl" ]
A183333
[ 5, 49, 194, 899, 4643, 21708, 104651, 506385, 2433550, 11727959, 56508374, 272163366, 1311142020, 6316072899, 30425539496, 146567346229, 706046292084, 3401176547138, 16384217757962, 78926341085721, 380205390786374 ]
[ "nonn" ]
A005989
[ 1, 5, 43, 557, 10075, 241949, 7437547, 284618381, 13263233659, 739273581053, 48558705881611, 3711738956813165, 326635178650696600, 32785012192388830000, 3.722823724366318e+21, 4.748192471156507e+23 ]
[ "nonn", "easy" ]
A156598
[ 1, -3, -70, 1287, 25130, -386643, -22130710, 1907941359, 36299778410, -1005983705493, -95666145155350, 6480809127252597, 369770131548362100, -14802118832469799000, -1.9706136316116326e+21, 7.28167821747902e+23, 1.3848758457165144e+25 ]
[ "sign", "frac" ]
A258536
[ 5646340, 22067757, 35610562, 161983800, 376000912, 1541134768, 6279181504, 21535095297, 90306754594, 358767653132, 1495562902148, 6433631827611, 28698011792056, 130108262711075, 602349588274042, 2818005642546966 ]
[ "nonn" ]
A206094
[ 81, 270, 270, 972, 780, 972, 3564, 2016, 2016, 3564, 13608, 5952, 4560, 5952, 13608, 52812, 17976, 13344, 13344, 17976, 52812, 205416, 54432, 33792, 48816, 33792, 54432, 205416, 803844, 165936, 86496, 131904, 131904, 86496, 165936, 803844 ]
[ "nonn", "tabl" ]
A244023
[ 6, 15, 45, 855, 342000 ]
[ "nonn", "more" ]
A012077
[ 1, 5, 121, 6845, 698161, 111973685, 25947503401, 8200346492525, 3389281372287841, 1774459993676715300, 1.1476491392726984e+21, 8.985373353984201e+23, 8.37511978485668e+26 ]
[ "nonn" ]
A327518
[ 1, 1, 2, 1, 3, 1, 2, 1, 1, 5, 2, 1, 4, 1, 2, 2, 7, 1, 1, 1, 1, 4, 2, 1, 7, 1, 2, 1, 4, 1, 5, 1, 11, 2, 2, 1, 2, 1, 2, 1, 7, 1, 1, 1, 4, 2, 1, 1, 1, 12, 2, 4, 1, 2, 7, 2, 1, 1, 10, 1, 1, 2, 15,...
[ "nonn" ]
A172705
[ 7484400, 62347376347779600, 1.7961858538846572e+27, 9.070801371627773e+37, 6.309193293073552e+48 ]
[ "nonn" ]
A144395
[ 1, 1, 1, 1, 6, 1, 1, 10, 10, 1, 1, 15, 20, 15, 1, 1, 21, 35, 35, 21, 1, 1, 28, 56, 70, 56, 28, 1, 1, 36, 84, 126, 126, 84, 36, 1, 1, 45, 120, 210, 252, 210, 120, 45, 1, 1, 55, 165, 330, 462, 462, 330, 165, 55, ...
[ "nonn", "uned" ]
A166471
[ 18, 24, 432, 10368, 4478976, 46438023168, 207994791256915970, 9.658866935211988e+27, 2.008994011967745e+45 ]
[ "nonn" ]
A321882
[ 2, 3, 5, 3, 3, 4, 5, 5, 6, 3, 3, 5, 3, 3, 6, 7, 4, 4, 8, 8, 4, 4, 7, 7, 7, 5, 5, 3, 3, 9, 3, 3, 5, 10, 10, 5, 3, 3, 6, 3, 3, 10, 6, 6, 6, 11, 11, 11, 6, 6, 5, 5, 5, 12, 13, 5, 5, 5, 7, 7, 5, 5, ...
[ "nonn", "base" ]
A171268
[ 5, 11, 37, 61, 73, 199, 751, 3761, 7993, 79193, 7799999, 1111111111111111200, 1.1111111111111111e+22, 2e+26 ]
[ "base", "nonn" ]
A198822
[ 1, 4, 7, 8, 1, 7, 0, 2, 6, 6, 4, 3, 0, 3, 2, 1, 2, 8, 3, 3, 1, 0, 6, 2, 4, 1, 7, 5, 3, 4, 7, 7, 4, 6, 8, 0, 8, 0, 2, 6, 8, 2, 3, 5, 1, 7, 8, 0, 1, 5, 1, 4, 9, 2, 9, 9, 3, 1, 3, 6, 1, 2, 7, 1...
[ "nonn", "cons" ]
A275481
[ 3, 4, 6, 7, 8, 10, 11, 12, 13, 15, 16, 17, 18, 19, 21, 22, 23, 24, 25, 26, 29, 30, 31, 32, 33, 34, 36, 37, 38, 39, 40, 41, 43, 45, 46, 47, 49, 50, 51, 52, 53, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 66, 67, 68,...
[ "easy", "nonn" ]
A345623
[ 926404, 936607, 952896, 985421, 993574, 993605, 993816, 1075779, 1123321, 1133344, 1134367, 1151406, 1160105, 1166111, 1177144, 1206514, 1209669, 1209847, 1215545, 1225630, 1251130, 1264929, 1265320, 1278611, 1414834, 1422367, 1422609, 1430384, 1431367 ]
[ "nonn" ]
A334459
[ 0, 5, 24, 86, 265, 582, 1260, 2235, 3861, 6055, 9416, 13366, 19409, 26296, 35408, 46569, 60945, 76527, 97432, 119703, 147753, 178670, 216844, 256401, 306825, 358719, 421848, 487960, 567617, 647259, 747596, 847765, 966609, 1088541, 1232280, 137601...
[ "nonn" ]
A344390
[ 0, 1, 3, 3, 1, 1, 563, 4, 24, 1, 1, 1, 1, 8, 1, 1, 2, 1, 1, 1, 3, 2, 3, 2, 1, 1, 2, 190, 1, 1, 2, 1, 1, 2, 1, 6, 11, 3, 1, 1, 1, 1, 2, 1, 2, 2, 1, 4, 1, 1, 65, 1, 1, 1, 11, 25, 1, 2, 2, 2, 3, 29...
[ "nonn", "cofr" ]
A296559
[ 1, 0, 1, 0, 1, 1, 1, 0, 2, 1, 1, 2, 1, 3, 1, 1, 4, 3, 3, 4, 1, 2, 4, 9, 5, 6, 5, 1, 3, 7, 12, 16, 9, 10, 6, 1, 4, 13, 18, 28, 26, 16, 15, 7, 1, 6, 19, 36, 42, 55, 41, 27, 21, 8, 1, 9, 29, 60, 82, 90...
[ "nonn", "tabl" ]
A063316
[ -1, 57, 133, 210, 287, 364, 441, 518, 595, 672, 749, 824, 903, 980, 1057, 1132, 1211, 1286, 1365, 1440, 1519, 1594, 1673, 1746, 1827, 1902, 1981, 2054, 2135, 2208, 2289, 2362, 2443, 2516, 2597, 2668, 2751, 2824, 2905, 2976, 3059, 3130...
[ "sign" ]
A316039
[ 1, 6, 9, 15, 20, 25, 29, 38, 38, 52, 50, 58, 57, 69, 62, 83, 73, 96, 88, 110, 91, 117, 100, 119, 115, 132, 126, 154, 138, 156, 145, 165, 142, 183, 153, 196, 176, 212, 173, 221, 182, 215, 201, 226, 212, 254, 226, 252, 233...
[ "nonn" ]
A237684
[ 1, 1, 1, 1, 1, 1, 2, 1, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2...
[ "nonn" ]
A181343
[ 6, 76, 386, 1251, 3126, 6606, 12426, 21461, 34726, 53376, 78706, 112151, 155286, 209826, 277626, 360681, 461126, 581236, 723426, 890251, 1084406, 1308726, 1566186, 1859901, 2193126, 2569256, 2991826, 3464511, 3991126, 4575626 ]
[ "nonn", "easy" ]
A378981
[ 0, 0, 0, 0, 1, 0, 0, 1, 5, 0, 1, 17, 3, 4, 1, 1, 1, 36, 3, 21, 10, 3, 5, 75, 0, 0, 14, 0, 1, 33, 5, 1, 0, 3, 1, 134, 3, 2, 1, 99, 1, 69, 3, 4, 12, 0, 5, 281, 18, 7, 2, 6, 5, 255, 0, 177, 0, 3, 1, 14...
[ "nonn" ]
A189451
[ 1, 13, 80, 666, 5080, 40106, 313136, 2455013, 19221095, 150562121, 1179185280, 9235771513, 72336253737, 566554489205, 4437377818704, 34754532606346, 272205182385544, 2131971340412858, 16698071766102576, 130782997877002500 ]
[ "nonn" ]
A214837
[ 2, 3, 5, 7, 11, 19, 23, 31, 37, 41, 43, 53, 59, 67, 71, 89, 97, 101, 109, 127, 131, 139, 149, 151, 157, 167, 179, 193, 197, 199, 211, 223, 227, 229, 233, 239, 251, 257, 263, 269, 277, 283, 311, 313, 331, 337, 347, 349, 3...
[ "nonn", "base" ]
A236467
[ 3, 11, 29, 149, 179, 191, 269, 347, 431, 461, 617, 659, 1031, 1619, 1931, 3467, 3527, 4799, 6569, 6689, 7349, 7877, 9011, 9767, 11117, 12611, 13691, 13901, 14549, 16067, 16139, 16451, 16631, 17489, 17681, 18911, 20981, 22367, 23909, 24179...
[ "nonn" ]
A094636
[ 1, 1, 1, 5, 5, 5, 5, 5, 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, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, ...
[ "nonn", "easy", "base" ]
A209541
[ 1, 16, 1125, 63504, 2080800, 92160000, 4045204800, 171889843216, 7330747451944, 316825404168100, 13575541351218336, 583084349120160000, 25065468339217056000, 1.0773875825766826e+21, 4.629558084381815e+22 ]
[ "nonn" ]
A076469
[ 1, 32, 64, 128, 243, 256, 512, 729, 1024, 2048, 2187, 3125, 4096, 6561, 7776, 8192, 15625, 16384, 16807, 19683, 32768, 46656, 59049, 65536, 78125, 100000, 117649, 131072, 161051, 177147, 248832, 262144, 279936, 371293, 390625, 524288, 531441 ]
[ "nonn" ]
A127454
[ 8, 1, 3, 7, 9, 4, 1, 0, 4, 6, 0, 9, 1, 3, 7, 2, 3, 7, 6, 5, 2, 9, 8, 3, 8, 9, 8, 4, 0, 5, 3, 2, 2, 3, 3, 7, 0, 0, 9, 6, 7, 2, 5, 3, 0, 9, 7, 6, 2, 4, 4, 3, 7, 6, 9, 5, 8, 3, 5, 3, 0, 9, 9, 2...
[ "cons", "nonn" ]
A241923
[ 42, 804, 2688, 5886, 13392, 30618, 24648, 51456, 91224, 172032, 75090, 152880, 246870, 392160, 656250, 186732, 376704, 586116, 857088, 1270620, 1959552, 403494, 810768, 1240722, 1742496, 2410590, 3399984, 4941258, 786576, 1577472, 2394288, 3293184 ]
[ "nonn" ]
A129180
[ 0, 1, 11, 85, 583, 3785, 23843, 147437, 900559, 5453457, 32816315, 196531781, 1172634391, 6976059865, 41401814099, 245230349021, 1450162049695, 8563622372129, 50510963880299, 297627067200821, 1752169739791591, 10307304302433512, 60592569330907520 ]
[ "nonn" ]
A018329
[ 1, 3, 5, 13, 15, 39, 65, 195 ]
[ "nonn", "fini", "full", "easy" ]
A332233
[ 1, 1, 4, 10, 44, 84, 528, 864, 4944, 12720, 56832, 89856, 882432, 1209600, 6036480, 20017152, 98592768, 141834240, 1202135040, 1625702400, 12997877760, 35291013120, 124429271040, 191102976000, 2350327726080, 4064999178240, 15972386734080, 47163577466880 ]
[ "nonn" ]
A060277
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 0, 1, 1, 0, 1, 1, 3, 1, 1, 1, 1, 3, 2, 7, 3, 2, 5, 4, 3, 5, 9, 2, 5, 6, 9, 5, 9, 14, 9, 7, 5, 10, 10, 11, 18, 7, 11, 16, 14, 12, 12, 23, 19, 13, 18, 11, 2...
[ "nonn" ]
A030912
[ 1, 3, 9, 38, 191, 1148, 8037, 64297, 578673, 5786737, 63654113, 763849365, 9930041753, 139020584550, 2085308768259, 33364940292158, 567203984966699, 10209671729400594, 193983762858611300, 3879675257172226000 ]
[ "nonn" ]
A332661
[ 1, 2, 3, 11, 4, 22, 101, 5, 111, 6, 1001, 7, 88, 77, 8, 1111, 9, 10001, 33, 121, 131, 202, 44, 2002, 141, 212, 1221, 303, 2112, 222, 3003, 232, 10101, 55, 99, 555, 979, 5555, 9779, 55555, 97779, 100001, 66, 1000001, 151, 11011...
[ "nonn", "base" ]
A319309
[ 1, -48, 1104, -16192, 170064, -1362336, 8662720, -44981376, 195082320, -721175536, 2319457632, -6631997376, 17231109824, -41469483552, 93703589760, -200343312768, 407488018512, -793229226336, 1487286966928, -2697825744960, 4744779429216, -8110465650176 ]
[ "sign" ]
A263585
[ 31, 27650, 8296414, 3822509358, 1954083613268, 950842128976830, 464444435832491650, 229893908518453250000 ]
[ "nonn" ]
A337959
[ 0, 8388, 28998090, 9160633008, 794699283870, 30467722237092, 664933856235516, 9607670743188672, 101313843935748510, 833333209516667000, 5606249568529546000, 31947998829845094000, 158374695227965470000, 697235454824626700000, 2.7710472589157865e+21, 1.007438179506653e+22 ]
[ "nonn", "easy" ]
A159094
[ 1, 37, 892, 18099, 339137, 6134494, 109738838, 1969358127, 35774344332, 661750923896 ]
[ "nonn" ]