id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A197325
[ 6, 110, 3605, 168151, 10162550, 753640010, 66200225626, 6719243243859, 773662803646264, 99627047203913810, 14186632841753756000, 2.2133404652984245e+21, 3.7544916216926915e+23, 6.8797650004483895e+25, 1.3542753444466025e+28 ]
[ "nonn", "less" ]
A199080
[ 1, 7, 2, 5, 1, 7, 1, 2, 0, 5, 4, 2, 8, 9, 3, 0, 1, 2, 7, 1, 3, 4, 4, 2, 4, 0, 0, 2, 0, 6, 3, 2, 3, 1, 6, 2, 3, 5, 0, 8, 1, 1, 9, 4, 2, 4, 8, 7, 6, 9, 8, 3, 8, 6, 0, 5, 5, 8, 4, 1, 7, 0, 8, 5, 7, 9, 5, 5, 2, 6, 1, 3, 8, 2, 7, 8, 3, 6, 5, 4, 5, 7, 7, 1, 1, 2, 5, 3, 1, 6, 2, 3, 6, 0, 1, 3, 6, 1, 2 ]
[ "nonn", "cons" ]
A111830
[ 1, 1, 1, 1, 7, 1, 1, 154, 49, 1, 1, 16275, 8281, 343, 1, 1, 9106461, 6558209, 410914, 2401, 1, 1, 28543862991, 27307109501, 2298650515, 20170801, 16807, 1, 1, 521136519414483, 636922972420469, 67522139062441, 790856748801, 988621354 ]
[ "frac", "nonn", "tabl" ]
A238711
[ 2, 3, 15, 105, 35, 231, 2145, 5005, 4641, 53295, 1616615, 119301, 21505, 7436429, 21489, 57998985, 3038795305, 4123, 13844919, 10393190665, 12838371, 299859855, 7292509103495, 12023917269, 70691995, 37198413949697, 62483343, 2769282065, 98755025688454690 ]
[ "nonn" ]
A080211
[ 1, 1, 1, 6, 1, 15, 1, 28, 84, 45, 1, 66, 1, 91, 455, 120, 1, 153, 1, 190, 1330, 231, 1, 276, 53130, 325, 2925, 378, 1, 435, 1, 496, 5456, 561, 324632, 630, 1, 703, 9139, 780, 1, 861, 1, 946, 14190, 1035, 1, 1128, 85900584, 1225, 20825, 1326, 1, 1431, 3478761 ]
[ "nonn" ]
A173036
[ 13, 14, 16, 19, 23, 28, 34, 41, 49, 58, 68, 79, 91, 104, 118, 133, 149, 166, 184, 203, 223, 244, 266, 289, 313, 338, 364, 391, 419, 448, 478, 509, 541, 574, 608, 643, 679, 716, 754, 793, 833, 874, 916, 959, 1003, 1048, 1094, 1141, 1189, 1238, 1288, 1339, 1391 ]
[ "nonn", "easy", "less" ]
A305966
[ 1, 1, 7, 70, 875, 12887, 216552, 4065775, 84022595, 1889844292, 45857269017, 1191971998455, 32996489835190, 968034453578997, 29972909437783508, 975944207096597100, 33313664777283770000, 1.188852507118148e+21, 4.4246989258071734e+22, 1.7137396854322322e+24 ]
[ "nonn" ]
A165139
[ 72, 264, 648, 600, 56, 720, 224, 2904, 600, 288, 648, 792, 4560, 180, 840, 792, 360, 1500, 1700, 324, 720, 360, 5152, 900, 576, 828, 4356, 26460, 19800, 144, 972, 700, 21780, 1152, 78408, 7128, 960, 540, 8064, 7968, 139080, 1620, 1296, 71148, 1960, 6624, 2280, 8820, 4680, 144, 495, 19800, 2016, 2592, 4356, 468, 1320, 3204, 2880 ]
[ "nonn" ]
A236785
[ 2475, 19851, 145124, 1287919, 10951425, 101820364, 921870137, 8733287503, 81211467440, 774898990883, 7293638090037, 69775296750588, 660733874896417, 6326252988398973, 60109364320802750, 575636103622182500 ]
[ "nonn" ]
A241016
[ 1, 3, 7, 6, 15, 24, 10, 26, 42, 58, 15, 40, 65, 90, 115, 21, 57, 93, 129, 165, 201, 28, 77, 126, 175, 224, 273, 322, 36, 100, 164, 228, 292, 356, 420, 484, 45, 126, 207, 288, 369, 450, 531, 612, 693, 55, 155, 255, 355, 455, 555, 655, 755, 855, 955, 66, 187, 308, 429, 550 ]
[ "nonn", "easy", "tabl" ]
A320761
[ 1, 12, 168, 2464, 38808, 657972, 11997216, 234594360, 4903616718, 109205019924, 2582909885556, 64686057980544, 1710536977653504, 47637803779229660, 1393903719674129700, 42758329987344876000, 1.3722545047364182e+21, 4.598971937415506e+22 ]
[ "nonn" ]
A333792
[ 0, 0, 0, 0, 0, 1, 0, -1, 1, 2, 0, 0, 0, 5, -3, -5, 0, 6, 0, 3, 3, 6, 0, -11, 2, 9, -12, 16, 0, -4, 0, -18, 30, -15, 9, -8, 0, 17, -5, -7, 0, 16, 0, 11, -24, 45, 0, -54, 22, -1, -7, 19, 0, -23, 29, -4, -1, 28, 0, -33, 0, 29, -24, -49, 56, 27, 0, -38, 68, -38, 0, -39, 0, 35, -17, 33, 0, -6, 0, -36, -20, 59, 0, 3, -30, 71, -9, -11, 0, -37, 16 ]
[ "sign" ]
A054273
[ 2, 6, 10, 19, 23, 29, 25, 38, 42, 35, 56, 54, 45, 60, 67, 84, 66, 76, 94, 98, 95, 92, 108, 108, 107, 129, 127, 128, 127, 152, 160, 152, 145, 173, 153, 156, 183, 214, 208, 212, 201, 220, 220, 219, 222, 248, 255, 241, 252, 265, 265, 252, 280, 276, 291, 292 ]
[ "nonn" ]
A104172
[ 0, 0, 2, 3, 3, 0, 5, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 17, 17, 0, 0, 19, 0, 0, 0, 0, 23, 23, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 31, 0, 0, 0, 0, 0, 37, 0, 0, 0, 0, 0, 0, 0, 41, 43, 0, 43, 43, 0, 0, 0, 47, 47, 0, 0, 0, 0, 0, 0, 0, 0, 41 ]
[ "nonn" ]
A181937
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 5, 1, 1, 1, 1, 3, 16, 1, 1, 1, 1, 1, 9, 61, 1, 1, 1, 1, 1, 4, 19, 272, 1, 1, 1, 1, 1, 1, 14, 99, 1385, 1, 1, 1, 1, 1, 1, 5, 34, 477, 7936, 1, 1, 1, 1, 1, 1, 1, 20, 69, 1513, 50521, 1, 1, 1, 1, 1, 1, 1, 6, 55, 496, 11259, 353792 ]
[ "nonn", "tabl", "changed" ]
A218993
[ 2, 3, 2, 5, 3, 7, 2, 3, 2, 11, 4, 13, 2, 5, 2, 17, 3, 19, 5, 7, 2, 23, 4, 5, 2, 3, 7, 29, 6, 31, 2, 3, 2, 7, 4, 37, 2, 3, 5, 41, 7, 43, 2, 5, 2, 47, 4, 7, 2, 3, 2, 53, 3, 11, 8, 3, 2, 59, 6, 61, 2, 9, 2, 13, 3, 67, 2, 3, 7, 71, 9, 73, 2, 5, 2, 11, 3, 79, 5, 3, 2 ]
[ "nonn", "easy" ]
A286266
[ 2, 36, 383, 3708, 35731, 347505, 3407290, 33579303, 332026623, 3290205509 ]
[ "nonn", "more" ]
A212012
[ 2, 4, 2, 6, 4, 2, 8, 6, 4, 2, 10, 8, 6, 4, 2, 12, 10, 8, 6, 4, 2, 14, 12, 10, 8, 6, 4, 2, 16, 14, 12, 10, 8, 6, 4, 2, 18, 16, 14, 12, 10, 8, 6, 4, 2, 20, 18, 16, 14, 12, 10, 8, 6, 4, 2, 22, 20, 18, 16, 14, 12, 10, 8, 6, 4, 2, 24, 22, 20, 18, 16, 14, 12, 10, 8, 6, 4, 2 ]
[ "nonn", "tabl", "easy" ]
A239677
[ 1, 2, 2, 8, 4, 6, 2, 2, 16, 8, 6, 2, 16, 10, 4, 14, 8, 18, 6, 2, 18, 6, 2, 20, 18, 6, 2, 38, 30, 10, 16, 20, 18, 6, 2, 60, 20, 10, 10, 40, 58, 48, 16, 12, 4, 32, 90, 30, 10, 8, 130, 62, 26, 10, 6, 2, 30, 10, 32, 18, 6, 2, 74, 28, 46, 18, 6, 2, 30, 10, 46, 80, 94, 52 ]
[ "nonn" ]
A132200
[ 1, 4, 4, 4, 8, 4, 4, 12, 12, 4, 4, 16, 24, 16, 4, 4, 20, 40, 40, 20, 4, 4, 24, 60, 80, 60, 24, 4, 4, 28, 84, 140, 140, 84, 28, 4, 4, 32, 112, 224, 280, 224, 112, 32, 4, 4, 36, 144, 336, 504, 504, 336, 144, 36, 4, 4, 40, 180, 480, 840, 1008, 840, 480, 180, 40, 4 ]
[ "nonn", "tabl" ]
A139176
[ 0, 3, 19, 119, 839, 6719, 60479, 604799, 6652799, 79833599, 1037836799, 14529715199, 217945727999, 3487131647999, 59281238015999, 1067062284287999, 20274183401472000, 405483668029440000 ]
[ "nonn" ]
A390432
[ 2, 3, 3, 2, 2, 4, 4, 3, 2, 4, 3, 3, 2, 3, 2, 2, 2, 5, 5, 4, 2, 5, 4, 3, 3, 3, 3, 2, 2, 5, 4, 4, 3, 4, 3, 3, 2, 2, 4, 2, 3, 3, 2, 2, 3, 2, 2, 2, 2, 6, 6, 5, 2, 6, 5, 3, 4, 3, 4, 2, 2, 6, 5, 4, 4, 4, 4, 3, 2, 3, 4, 3, 3, 3, 3, 2, 3, 3, 2, 2, 2, 6, 5, 5, 4, 5 ]
[ "nonn", "new" ]
A053300
[ 1, 1, 1, 3, 31, 1, 145, 1, 4, 2, 8, 1, 6, 1, 2, 3, 1, 4, 1, 5, 1, 41, 1, 2, 3, 7, 1, 1, 1, 27, 1, 1, 1, 2, 1, 2, 1, 1, 2, 1, 1, 49, 2, 1, 4, 3, 6, 2, 1, 3, 3, 17, 1, 3, 2, 1, 6, 3, 1, 6, 26, 3, 1, 1, 3, 4, 3, 2, 14, 11, 1, 4, 1, 1, 5, 2, 8, 8, 2, 80, 1, 1, 22, 2, 11, 2, 1 ]
[ "nonn", "cofr" ]
A336233
[ 1, 1, 3, 1, 2, 3, 4, 6, 8, 1, 1, 2, 3, 4, 5, 6, 8, 9, 11, 12, 14, 16, 17, 19, 21, 23, 25, 1, 1, 1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 15, 16, 17, 19, 20, 22, 23, 25, 26, 28, 29, 31, 32, 34, 36, 37, 39, 41, 42, 44, 46, 47, 49, 51, 53, 55, 56, 58, 60, 62, 64, 66, 68 ]
[ "nonn" ]
A252328
[ 4006, 5716, 6222, 9142, 19540, 40178, 89296, 225890, 497694, 1164378, 3023806, 6718012, 15867518, 41386930, 92031834, 218076968, 570018794, 1268404738, 3011283796, 7879627958, 17542740780, 41694280764, 109139194282, 243061709942 ]
[ "nonn" ]
A044497
[ 14, 50, 89, 122, 158, 194, 230, 266, 305, 338, 374, 410, 446, 482, 539, 554, 590, 626, 662, 698, 737, 770, 806, 842, 878, 914, 953, 986, 1022, 1058, 1094, 1130, 1169, 1202, 1238, 1274, 1310, 1346, 1385, 1418, 1454, 1490, 1526 ]
[ "nonn", "base" ]
A017494
[ 1073741824, 6131066257801, 590490000000000, 13422659310152400, 144555105949057020, 984930291881790800, 4923990397355877000, 19687440434072265000, 66483263599150105000, 196715135728956540000, 523383555379856800000, 1.2761364191171217e+21, 2.89254654976e+21 ]
[ "nonn", "easy" ]
A363046
[ 1, 0, 0, 0, 1, 1, 2, 3, 6, 7, 11, 14, 21, 26, 36, 45, 62, 76, 100, 124, 162, 199, 255, 314, 399, 488, 612, 748, 932, 1134, 1400, 1699, 2086, 2520, 3072, 3700, 4488, 5384, 6494, 7766, 9326, 11112, 13283, 15778, 18788, 22245, 26386, 31150, 36825, 43345, 51070, 59953 ]
[ "nonn" ]
A050695
[ 4, 6, 8, 9, 10, 14, 16, 18, 21, 27, 34, 38, 40, 44, 46, 48, 49, 51, 54, 56, 57, 58, 60, 64, 66, 68, 69, 74, 76, 78, 80, 81, 84, 86, 87, 88, 90, 91, 94, 96, 98, 99, 100, 104, 106, 108, 111, 114, 116, 117, 118, 119, 121, 129, 133, 134, 136, 140, 141, 143, 144, 146 ]
[ "nonn", "base", "nice" ]
A129828
[ 5, 19, 37, 283, 367, 3347, 132157 ]
[ "nonn", "hard", "more" ]
A111206
[ 4, 6, 9, 10, 15, 22, 25, 33, 46, 55, 58, 69, 82, 87, 106, 115, 121, 123, 145, 159, 166, 178, 205, 226, 249, 253, 262, 265, 267, 319, 339, 346, 358, 382, 393, 415, 445, 451, 466, 478, 502, 519, 529, 537, 562, 565, 573, 583, 586, 655, 667, 699, 717, 718, 753, 838 ]
[ "nonn" ]
A315980
[ 1, 6, 9, 14, 17, 22, 27, 34, 33, 40, 48, 56, 55, 62, 59, 68, 69, 80, 77, 88, 96, 102, 97, 110, 105, 118, 113, 126, 119, 134, 142, 150, 141, 158, 147, 164, 157, 176, 165, 182, 188, 196, 183, 204, 191, 212, 201, 222, 207, 230 ]
[ "nonn" ]
A382681
[ 7501221, 7508793, 10006109, 10625334, 12970254, 15002442, 15017586, 15685077, 17975049, 20012218, 20752359, 21250668, 22500771, 23501007, 24625029, 24875024, 25033207, 25034183, 25034771, 25940508, 29003907, 29057504, 29450021, 29590047, 29625044, 29850293, 30004884, 30035172, 30175941 ]
[ "nonn", "base" ]
A252097
[ 2458, 4866, 10878, 86575, 1704334, 41913367, 1113772174, 116789064529, 10681007815392, 910992764352996, 511227354741819300, 159266179111795260000, 4.044067675952881e+22, 1.2622908909257169e+26 ]
[ "nonn" ]
A334052
[ 1, 0, 1, 2, 3, 2, 2, 1, 5, 3, 3, 1, 4, 2, 7, 3, 5, 5, 1, 7, 5, 3, 6, 5, 3, 3, 1, 8, 4, 3, 4, 2, 18, 10, 17, 12, 8, 9, 8, 2, 8, 2, 2, 1, 17, 7, 16, 20, 5, 7, 4, 9, 14, 13, 3, 12, 7, 7, 1, 15, 3, 6, 31, 25, 5, 16, 7, 9, 7, 2, 27, 15, 12, 17, 29, 2, 6, 15, 6, 2, 4, 30, 18, 15, 6 ]
[ "nonn" ]
A151543
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 14, 59, 108, 119, 136, 138, 147, 177, 389, 407, 559, 709, 999, 1118, 1157, 1346, 4479, 11227, 12399, 22779, 30489, 100666, 127779, 577999, 677779, 1000259, 1001458, 1007889, 1035889, 1124577, 1188888 ]
[ "nonn", "base" ]
A383562
[ 1, 1, 3, 34, 869, 37046, 2305267, 194264862, 21126164649, 2866926282454, 473618723892911, 93448926633746370, 21689210323474285000, 5.848029460632244e+21, 1.8126217608960797e+24, 6.400622190450882e+26, 2.55472389087186e+29, 1.1446240166442522e+32 ]
[ "nonn" ]
A290053
[ 1, 1, 0, 1, -2, 3, 1, -5, 10, 0, 1, -9, 31, -39, 40, 1, -14, 77, -196, 252, 0, 1, -20, 162, -664, 1457, -1476, 1260, 1, -27, 303, -1809, 6168, -11772, 12176, 0, 1, -35, 520, -4250, 20773, -61595, 107730, -95400, 72576, 1, -44, 836, -8954, 59279, -249986 ]
[ "sign", "tabl" ]
A364475
[ 1, 1, 4, 18, 94, 529, 3135, 19270, 121732, 785496, 5155167, 34304706, 230923653, 1569684910, 10759159000, 74281473504, 516089542684, 3605685460750, 25316226436086, 178538289189108, 1264131169628799, 8982889404251721, 64041351551534216 ]
[ "nonn" ]
A175817
[ 2, 4, 6, 10, 12, 14, 16, 2342, 2346, 2348, 2352, 2354, 2362, 2368, 2372, 2374, 2376, 2392, 2396, 2398, 2400, 2404, 2406, 2408, 2410, 2414, 2416, 2418, 2422, 2424, 2426, 2428, 2438, 2440, 2448, 2450, 2480, 2484, 2486, 2488, 2540, 2542, 2544, 2566, 2568 ]
[ "nonn", "base", "less" ]
A242306
[ 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 2, 2, 2, 2, 3, 3, 3, 3, 2, 2, 2, 2, 2, 3, 3, 3, 3, 2, 3, 3, 2, 2, 2, 2, 3, 3, 3, 3, 2, 3, 3, 3, 3, 2, 2, 2, 2, 3, 3, 3, 3, 2, 3, 3, 3, 3, 4, 4, 2, 2, 2, 2, 3, 3, 3, 3, 2, 3, 3, 3, 3, 4, 4, 2, 3, 2, 2, 2, 2, 3, 3 ]
[ "nonn", "easy" ]
A354441
[ 1, 2, 3, 4, 5, 6, 7, 8, 11, 9, 10, 13, 12, 14, 20, 16, 15, 17, 19, 22, 18, 21, 25, 26, 35, 23, 24, 27, 28, 30, 29, 31, 33, 37, 41, 36, 32, 34, 43, 38, 40, 52, 39, 42, 66, 48, 45, 44, 46, 47, 49, 54, 50, 56, 51, 57, 53, 55, 61, 72, 67, 59, 58, 62, 60, 63, 71, 68, 74, 76, 70, 80, 64, 65, 69, 77, 73 ]
[ "nonn" ]
A347384
[ 35, 105, 153, 189, 207, 279, 403, 423, 425, 437, 455, 475, 477, 575, 589, 639, 689, 725, 765, 775, 819, 833, 899, 923, 945, 963, 1025, 1035, 1071, 1127, 1143, 1175, 1209, 1271, 1275, 1311, 1325, 1341, 1365, 1391, 1395, 1421, 1425, 1449, 1475, 1495, 1519, 1651, 1719, 1725, 1739, 1767, 1775, 1791, 1881, 1927, 1953, 1961 ]
[ "nonn" ]
A068664
[ 1, 2, 4, 8, 88, 616, 6776, 88088, 616616, 232464232, 21154245112, 232696696232, 21175399357112, 21154245133154247000, 232696696464696700000, 2.11753993782874e+22, 6.3386501441764915e+31 ]
[ "base", "nonn" ]
A316004
[ 1, 6, 9, 14, 20, 24, 28, 29, 34, 42, 50, 49, 54, 60, 66, 72, 71, 76, 82, 90, 89, 98, 102, 106, 112, 111, 120, 126, 132, 127, 138, 144, 150, 154, 149, 160, 168, 176, 169, 180, 184, 190, 196, 191, 202, 208, 216, 209, 224, 228 ]
[ "nonn" ]
A173363
[ 2, 947971, 12979334, 50433160, 340674460, 362405141 ]
[ "nonn", "hard", "more" ]
A040952
[ 31, 2, 1, 2, 2, 7, 2, 2, 1, 2, 62, 2, 1, 2, 2, 7, 2, 2, 1, 2, 62, 2, 1, 2, 2, 7, 2, 2, 1, 2, 62, 2, 1, 2, 2, 7, 2, 2, 1, 2, 62, 2, 1, 2, 2, 7, 2, 2, 1, 2, 62, 2, 1, 2, 2, 7, 2, 2, 1, 2, 62, 2, 1, 2, 2, 7, 2, 2, 1, 2, 62, 2, 1, 2, 2, 7, 2, 2, 1, 2, 62, 2, 1, 2, 2, 7, 2, 2, 1, 2 ]
[ "nonn", "cofr", "easy", "changed" ]
A343442
[ 1, 4, 5, 4, 7, 20, 9, 4, 5, 28, 13, 20, 15, 36, 35, 4, 19, 20, 21, 28, 45, 52, 25, 20, 7, 60, 5, 36, 31, 140, 33, 4, 65, 76, 63, 20, 39, 84, 75, 28, 43, 180, 45, 52, 35, 100, 49, 20, 9, 28, 95, 60, 55, 20, 91, 36, 105, 124, 61, 140, 63, 132, 45, 4, 105, 260, 69, 76, 125, 252 ]
[ "nonn", "mult" ]
A165244
[ 1, 7, 4, 2, 3, 5, 0, 6, 9, 8 ]
[ "nonn", "base", "fini", "full" ]
A256271
[ 1, 2, 3, 5, 4, 7, 6, 11, 8, 9, 10, 13, 12, 17, 14, 15, 16, 19, 18, 23, 20, 27, 22, 25, 21, 26, 29, 24, 31, 28, 33, 32, 35, 34, 39, 38, 37, 30, 41, 36, 43, 40, 47, 42, 53, 44, 45, 46, 49, 48, 59, 50, 51, 52, 55, 54, 61, 56, 57, 58, 63, 62, 65, 64, 67, 60, 71, 66, 73, 68, 69, 70, 79, 74, 75, 76, 77, 72, 83, 78, 85 ]
[ "nonn", "easy" ]
A294478
[ 1, 3, 8, 11, 17, 21, 29, 34, 44, 50, 61, 68, 80, 89, 102, 112, 127, 138, 154, 166, 183, 196, 214, 229, 248, 264, 284, 302, 323, 342, 364, 384, 407, 428, 452, 474, 500, 523, 550, 574, 602, 628, 657, 684, 714, 742, 773, 802, 834, 864, 897, 929, 963, 996, 1031 ]
[ "nonn", "easy" ]
A336415
[ 1, 1, 2, 4, 6, 10, 13, 21, 24, 28, 33, 49, 53, 85, 94, 100, 104, 168, 173, 301, 307, 317, 334, 590, 595, 603, 636, 642, 652, 1164, 1171, 2195, 2200, 2218, 2283, 2295, 2301, 4349, 4478, 4512, 4519, 8615, 8626, 16818, 16836, 16844, 17101, 33485, 33491, 33507, 33516, 33582 ]
[ "nonn" ]
A133740
[ 19, 179, 419, 499, 643, 673, 769, 883, 1153, 1409, 1459, 1889, 2003, 2083, 2131, 2579, 2609, 2659, 2689, 2819, 3169, 3779, 3889, 3907, 4099, 4129, 4259, 4339, 4513, 4723, 4993, 5009, 5059, 5233, 5347, 5443, 5683, 6529, 6659, 6689, 6899, 7219, 7283, 7459 ]
[ "easy", "nonn" ]
A214664
[ 1, 1, -1, -1, 2, 2, -2, -2, 0, 3, 3, -3, -3, -3, 1, 4, 2, 0, -4, -4, -4, 2, 5, 5, -1, -5, -5, -5, -5, -3, 6, 6, 2, 0, -6, -6, -6, 0, 4, 7, 7, 7, -1, -3, -7, -7, -7, 5, 8, 8, 8, 8, 8, -2, -8, -8, -8, -8, -4, 0, 2, 9, 9, 5, 3, -1, -9, -9, -5, -3, 1, 7, 10, 10 ]
[ "sign", "easy" ]
A067494
[ 1, 16777216, 134217728, 1073741824, 18014398509481984, 144115188075855870, 1152921504606847000, 1.9342813113834067e+25, 1.5474250491067253e+26, 1.2379400392853803e+27 ]
[ "base", "easy", "nonn" ]
A216255
[ 1, 2, 0, 3, 6, 0, 4, 24, 12, 0, 5, 60, 120, 20, 0, 6, 120, 540, 480, 30, 0, 7, 210, 1680, 3780, 1680, 42, 0, 8, 336, 4200, 17920, 22680, 5376, 56, 0, 9, 504, 9072, 63000, 161280, 122472, 16128, 72, 0, 10, 720, 17640, 181440, 787500, 1290240, 612360, 46080, 90, 0 ]
[ "nonn", "tabl" ]
A210949
[ 1, 1, 4, 29, 309, 4383, 78121, 1684706, 42801222, 1255919755, 41918624013, 1572257236114, 65619165625383, 3022617826829288, 152615633802149400, 8397224009015443000, 500957609480739600000, 3.2261529179806962e+22, 2.2341333275823887e+24 ]
[ "nonn" ]
A176674
[ 1, 8, 49, 681, 14116, 450862 ]
[ "nonn" ]
A033600
[ 1, 4, 12, 23, 37, 55, 83, 114, 153, 195, 222, 273, 332, 396, 456, 524, 582, 648, 746, 842, 937, 1010, 1095, 1205, 1316, 1458, 1584, 1675, 1765, 1908, 2070, 2230, 2386, 2513, 2618, 2768, 2978, 3187, 3348, 3498, 3646, 3812, 4037, 4284, 4499, 4649, 4815 ]
[ "nonn" ]
A373442
[ 7, 32, 3584, 7655653376, 1.1644259507399673e+29, 6.543870994960393e+86 ]
[ "nonn" ]
A185070
[ 1, 1, 4, 25, 2, 224, 32, 2625, 500, 38056, 8560, 40, 657433, 164150, 1960, 13178880, 3526656, 71680, 300585601, 84389928, 2442720, 2240, 7683776000, 2232672000, 83328000, 224000, 217534555161, 64830707370, 2931500880, 14907200 ]
[ "nonn", "tabf" ]
A004274
[ 0, 1, 2, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105, 107, 109, 111, 113, 115, 117, 119, 121, 123, 125, 127, 129, 131 ]
[ "easy", "nonn" ]
A372463
[ 1, 3, 21, 159, 1261, 10268, 85065, 713345, 6036381, 51438741, 440780736, 3794261496, 32784723361, 284184613586, 2470101750095, 21520640950334, 187885215032925, 1643315666085399, 14396340879235852, 126302446713155890, 1109524512806397700 ]
[ "nonn" ]
A247674
[ 1, 0, 7, 6, 6, 3, 5, 7, 3, 2, 8, 9, 5, 1, 7, 8, 0, 0, 8, 9, 6, 5, 3, 7, 9, 7, 5, 0, 2, 4, 3, 2, 2, 6, 2, 8, 2, 8, 3, 8, 2, 6, 9, 7, 0, 3, 1, 3, 5, 9, 8, 6, 0, 5, 3, 0, 2, 7, 7, 3, 5, 6, 9, 5, 9, 8, 9, 7, 9, 9, 6, 9, 1, 4, 0, 1, 3, 2, 3, 7, 4, 1, 5, 5, 0, 2, 4, 4, 3, 8, 0, 4, 6, 7, 7, 0, 8, 8, 5, 1, 9, 4, 5 ]
[ "nonn", "cons" ]
A359723
[ 1, 1, 7, 28, 151, 803, 4108, 22532, 125449, 705929, 4035955, 23332364, 136111591, 800561116, 4741777880, 28258286033, 169322163149, 1019483819757, 6164900341534, 37425357962592, 228002416106605, 1393503512669230, 8541839907812651, 52500559705299790, 323483846045526400 ]
[ "nonn" ]
A347704
[ 1, 0, 1, 1, 3, 2, 6, 4, 11, 8, 18, 13, 33, 22, 49, 38, 79, 58, 122, 90, 186, 139, 268, 206, 402, 304, 569, 448, 817, 636, 1152, 907, 1612, 1283, 2220, 1791, 3071, 2468, 4162, 3409, 5655, 4634, 7597, 6283, 10171, 8478, 13491, 11336, 17906, 15088, 23513, 20012 ]
[ "nonn" ]
A302519
[ 32, 14, 21, 89, 184, 458, 1784, 7182, 22544, 67096, 220654, 775150, 2587038, 8302004, 27025136, 90376752, 301153260, 989265746, 3244058002, 10719499408, 35505656166, 117195031890, 386021758650, 1273341893876, 4206241844100 ]
[ "nonn" ]
A309399
[ 0, 1, 1, 3, 3, 6, 12, 21, 38, 71, 123, 234, 427, 791, 1477, 2774, 5222, 9849, 18659, 35412, 67410, 128644, 245959, 471166, 904186, 1738238, 3346542, 6452030, 12455921, 24076458, 46591766, 90258683, 175029533 ]
[ "nonn", "more" ]
A099050
[ 1, 1, 3, 8, 19, 42, 92, 194, 398, 808, 1638, 3334, 6686, 13392, 26842, 53708, 107450, 214952, 430148, 860340, 1720826, 3441688, 6883446, 13766950, 27533998, 55068040, 110136196, 220272460, 440545040, 881090532, 1762181454, 3524362990 ]
[ "nonn" ]
A113007
[ 1, 2, 3, 4, 5, 6, 10, 12, 8, 9, 11, 7, 13, 14, 15, 16, 17, 18, 19, 20, 26, 22, 24, 23, 25, 21, 27, 28, 36, 33, 31, 29, 35, 34, 32, 37, 30, 45, 39, 38, 40, 41, 43, 44, 42, 49, 47, 51, 60, 58, 50, 46, 48, 52, 53, 56, 57, 54, 59, 55, 61, 62, 63, 64, 65, 66, 68, 71, 69, 72, 70, 67 ]
[ "nonn" ]
A126648
[ 71, 1, 51, 21, 41, 61, 31, 81, 11 ]
[ "fini", "full", "nonn", "tabf" ]
A177274
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 6 ]
[ "cofr", "easy", "nonn" ]
A349229
[ -1, 0, -1, -2, -3, -4, -3, -4, -3, -4, -3, -2, -3, -2, -1, -2, -1, 0, 1, 0, 1, 0, -1, 0, 1, 0, 1, 2, 3, 4, 5, 4, 5, 6, 7, 6, 5, 6, 7, 6, 7, 8, 9, 10, 9, 8, 9, 8, 7, 6, 5, 6, 5, 6, 7, 8, 9, 8, 7, 6, 5, 4, 3, 4, 3, 4, 5, 4, 3, 4, 5, 6, 5, 4, 5, 4, 3, 4, 5, 4, 5, 4, 3, 4, 5, 6, 7, 6, 5, 6, 5, 4, 5, 6, 7, 6, 7, 8, 7, 6 ]
[ "sign" ]
A149001
[ 1, 1, 3, 9, 34, 115, 468, 1742, 7367, 29009, 126186, 513867, 2277350, 9497955, 42648196, 181076473, 821244559, 3535010078, 16157583043, 70311352314, 323360554529, 1419681715996, 6561934763011, 29022457731324, 134705084724858, 599491925924524, 2792255475319458, 12492837790484780, 58362037794461010 ]
[ "nonn", "walk" ]
A109994
[ 2699, 4679, 10259, 14489, 18719, 19949, 31607, 42797, 49139, 85487, 90749, 104651, 129887, 226799, 294269, 396269, 422657, 458987, 481571, 665279, 710531, 729059, 1082399, 1251947, 1302449, 1994687, 2035151, 2510567, 2811269, 3090089 ]
[ "nonn" ]
A079553
[ 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 2, 1, 2, 2, 1, 1, 2, 1, 2, 2, 2, 1, 2, 1, 2, 1, 2, 1, 3, 1, 1, 2, 2, 2, 2, 1, 2, 2, 2, 1, 3, 1, 2, 2, 2, 1, 2, 1, 2, 2, 2, 1, 2, 2, 2, 2, 2, 1, 3, 1, 2, 2, 1, 2, 3, 1, 2, 2, 3, 1, 2, 1, 2, 2, 2, 2, 3, 1, 2, 1, 2, 1, 3, 2, 2, 2, 2, 1, 3, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 1, 3, 1, 2, 3 ]
[ "nonn" ]
A160322
[ 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2 ]
[ "nonn" ]
A250327
[ 1, 5, 180, 2640, 23100, 157080, 183260, 2408560, 317026710, 10215305100, 89894684880, 19613385792, 403708857552, 17825298787296, 8681152006800, 435215087274240, 2312080151144400, 43249499297877600, 45652249258870800, 2835244953971976000, 4394629678656562700 ]
[ "nonn" ]
A368485
[ 1, 1, 2, 1, 2, 3, 1, 2, 3, 3, 4, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 4, 4, 5, 6, 1, 2, 3, 4, 5, 5, 5, 6, 7, 1, 2, 3, 4, 5, 6, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 6, 6, 6, 7, 7, 8, 9, 10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 7, 7, 7, 8, 8, 9, 10, 11 ]
[ "nonn" ]
A369042
[ 1, 3, 2, 7, 1, 2, 5, 1, 1, 1, 13, 2, 3, 11, 1, 31, 1, 1, 29, 1, 5, 3, 1, 2, 17, 19, 1, 23, 1, 1, 1, 1, 1, 1, 61, 1, 1, 59, 1, 1, 7, 1, 1, 1, 1, 1, 53, 2, 1, 1, 1, 1, 1, 1, 37, 47, 1, 1, 1, 1, 41, 43, 1, 127, 1, 1, 5, 1, 11, 1, 1, 1, 113, 1, 1, 1, 1, 1, 1, 1, 97, 1, 1, 103, 1, 1, 101, 1, 1, 1, 109, 1, 1, 107, 1, 2, 1 ]
[ "nonn" ]
A121959
[ 0, 1, 2, 3, 6, 19, 78, 393, 2364, 16567, 132614, 1193919, 11941554, 131373661, 1576616546, 20497209017, 286972867792, 4304724390541, 68877166865202, 1170932333917451, 21077068983381910, 400468615408646850 ]
[ "nonn" ]
A047225
[ 0, 1, 6, 7, 12, 13, 18, 19, 24, 25, 30, 31, 36, 37, 42, 43, 48, 49, 54, 55, 60, 61, 66, 67, 72, 73, 78, 79, 84, 85, 90, 91, 96, 97, 102, 103, 108, 109, 114, 115, 120, 121, 126, 127, 132, 133, 138, 139, 144, 145, 150 ]
[ "nonn", "easy" ]
A345642
[ 1431641, 1439416, 1464377, 1464408, 1505660, 1531398, 1531640, 1564165, 1697929, 1703935, 1782171, 1969222, 1969253, 1969464, 1976997, 1985183, 1986028, 2000966, 2001989, 2028270, 2042460, 2052415, 2058421, 2059202, 2060522, 2069221, 2076393, 2130272, 2182162 ]
[ "nonn" ]
A022812
[ 1, 1, 4, 10, 26, 55, 121, 237, 468, 867, 1597, 2821, 4952, 8421, 14206, 23439, 38324, 61570, 98112, 154111, 240197, 370015, 565802, 856664, 1288366, 1921016, 2846572, 4186730, 6122369, 8893904, 12851713, 18460961, 26388354, 37519159, 53101687, 74792210 ]
[ "nonn" ]
A001973
[ 1, 1, 3, 5, 8, 12, 18, 24, 33, 43, 55, 69, 86, 104, 126, 150, 177, 207, 241, 277, 318, 362, 410, 462, 519, 579, 645, 715, 790, 870, 956, 1046, 1143, 1245, 1353, 1467, 1588, 1714, 1848, 1988 ]
[ "nonn", "easy" ]
A369147
[ 0, 0, 1, 7, 52, 411, 4440, 73886, 2128608, 111533208, 10812478194, 1945437194308, 650378721118910, 404749938336301300, 470163239887698660000, 1.0225928548290283e+24, 4.177826139658552e+27, 3.216382944087046e+31, 4.680217288898275e+35 ]
[ "nonn" ]
A213147
[ 1, -5, -15, 355, 4665, -88805, -2984415, 37043155, 3157381065, -10240455605, -4883191732815, -46188388946045, 10124441425941464, 280075126224969600, -26112838782751584000, -1.4594299762950888e+21 ]
[ "sign" ]
A382619
[ 2, 6, 1, 7, 77, 64, 47, 28, 5, 145, 114, 77, 36, 1548, 1501, 1448, 1389, 1328, 1261, 1190, 1117, 1038, 955, 866, 769, 668, 565, 458, 349, 236, 109, 14279, 14142, 14003, 13854, 13703, 13546, 13383, 13216, 13043, 12864, 12683, 12492, 12299, 12102, 11903 ]
[ "easy", "look", "nonn" ]
A095830
[ 1, 2, 1, 4, 4, 2, 14, 8, 12, 28, 21, 52, 52, 72, 92, 160, 212, 178, 446, 360, 628, 920, 918, 1568, 1784, 2676, 2960, 4724, 5360, 7280, 10876, 10936, 17484, 21732, 28469, 34224, 48648, 61232, 78196, 105680, 120904, 178848, 217404, 279312 ]
[ "nonn" ]
A258279
[ 1, 2, 1, 0, -2, -2, 0, 0, 1, -4, -4, 0, 0, 4, 0, 0, -2, -2, 4, 0, 2, 0, 0, 0, 0, 6, 2, 0, 0, -2, 0, 0, 1, 0, -4, 0, 4, 4, 0, 0, -4, -2, 0, 0, 0, -8, 0, 0, 0, 2, 3, 0, -4, -2, 0, 0, 0, 0, -4, 0, 0, 4, 0, 0, -2, -4, 0, 0, 2, 0, 0, 0, 4, 4, 2, 0, 0, 0, 0, 0, 2 ]
[ "sign" ]
A345150
[ 13104, 18928, 19376, 20755, 21203, 21896, 22743, 24544, 24570, 24787, 25172, 25928, 27720, 27755, 27846, 28917, 29582, 30429, 31031, 31248, 31339, 31402, 31528, 32858, 33579, 34056, 34624, 34713, 34776, 35289, 35317, 35441, 35497, 35712, 36162, 36190, 36225 ]
[ "nonn" ]
A342491
[ 12, 14, 23, 12, 28, 29, 27, 20, 38, 52, 27, 22, 11, 47, 20, 49, 53, 16, 69, 81, 17, 47, 59, 59, 34, 41, 93, 32, 76, 33, 34, 121, 76, 93, 88, 33, 37, 39, 101, 102, 83, 27, 90, 52, 73, 183, 75, 37, 45, 130, 105, 15, 155, 83, 120, 54, 106, 133, 129, 15, 123, 42, 225 ]
[ "nonn" ]
A202539
[ 2, 8, 1, 1, 9, 9, 5, 7, 4, 3, 2, 2, 9, 6, 1, 8, 4, 6, 5, 1, 2, 0, 5, 0, 7, 6, 4, 0, 6, 7, 8, 7, 8, 2, 9, 9, 7, 9, 2, 0, 2, 3, 2, 2, 5, 7, 4, 4, 0, 6, 6, 4, 6, 2, 6, 7, 5, 7, 3, 0, 3, 3, 4, 3, 1, 8, 0, 3, 8, 4, 5, 3, 0, 6, 2, 1, 2, 0, 8, 9, 1, 3, 2, 2, 9, 8, 7, 7, 0, 7, 4, 7, 5, 4, 9, 4, 0, 5, 4 ]
[ "nonn", "cons" ]
A167146
[ 4, 6, 8, 10, 10, 12, 14, 14, 16, 16, 16, 18, 18, 20, 20, 22, 22, 22, 24, 24, 26, 26, 26, 28, 28, 30, 30, 30, 32, 32, 34, 34, 34, 36, 36, 36, 36, 38, 38, 40, 40, 40, 42, 42, 42, 42, 44, 44, 44, 46, 46, 46, 48, 48, 48, 50, 50, 50, 52, 52, 52, 54, 54, 54, 56, 56, 56, 56, 58, 58 ]
[ "nonn" ]
A276076
[ 1, 2, 3, 6, 9, 18, 5, 10, 15, 30, 45, 90, 25, 50, 75, 150, 225, 450, 125, 250, 375, 750, 1125, 2250, 7, 14, 21, 42, 63, 126, 35, 70, 105, 210, 315, 630, 175, 350, 525, 1050, 1575, 3150, 875, 1750, 2625, 5250, 7875, 15750, 49, 98, 147, 294, 441, 882, 245, 490, 735, 1470, 2205, 4410, 1225, 2450, 3675, 7350, 11025, 22050, 6125, 12250, 18375, 36750, 55125, 110250, 343 ]
[ "nonn", "base" ]
A239651
[ 10, 112, 1182, 12246, 127454, 1320102, 13703468, 142051652, 1473731150, 15282171258, 158517866826, 1643986061990, 17051506678146, 176848369394606, 1834236131924494, 19023918997995416, 197310588661661630 ]
[ "nonn" ]
A011737
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 0, 1, 1 ]
[ "nonn" ]
A266263
[ 0, 6, 3, 2, 7, 0, 5, 8, 3, 3, 4, 1, 4, 6, 3, 0, 0, 0, 5, 9, 5, 1, 8, 2, 3, 0, 1, 2, 3, 4, 3, 0, 7, 7, 6, 7, 5, 1, 1, 4, 1, 8, 1, 8, 4, 7, 5, 3, 2, 3, 6, 3, 7, 6, 6, 7, 9, 5, 6, 5, 9, 4, 5, 6, 7, 0, 6, 2, 1, 5, 2, 5, 4, 6, 0, 6, 7, 4, 9, 7, 6, 7, 3, 7, 4, 7, 1, 0, 3, 4, 3, 7, 1 ]
[ "nonn", "cons" ]
A031626
[ 3373, 9241, 30010, 30706, 44221, 45065, 61673, 62669, 82021, 82594, 85489, 105914, 107873, 132857, 160441, 192373, 195893, 196778, 198554, 200338, 201233, 227201, 228154, 230066, 232949, 233914, 271129, 305545, 307757, 309977, 314441 ]
[ "nonn" ]
A234231
[ 449880, 7024396, 108591688, 1709929028, 26695387444, 424316463256, 6683714234372, 107392220427904, 1707887729007672, 27776485661813004, 446386639744976500, 7358199411212749000, 119609164298524640000 ]
[ "nonn" ]