id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A065029
[ 2, 3, 6, 10, 12, 17, 34, 35, 51, 58, 68, 70, 99, 102, 136, 198, 204, 338, 396, 408, 495, 577, 693, 990, 1154, 1189, 1386, 1731, 1970, 1980, 2308, 2378, 2772, 3363, 3462, 3465, 4616, 6726, 6895, 6924, 6930, 9232, 9809, 11482, 13452, 13790, 13848, 13860 ]
[ "nonn" ]
A061071
[ 1, 2, 2, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11 ]
[ "nonn" ]
A061236
[ 24, 900, 810000, 729000000, 590490000000000, 531441000000000000, 4.3046721e+23, 3.87420489e+26, 3.1381059609e+32, 2.2876792454961e+41, 2.05891132094649e+44 ]
[ "nonn" ]
A220515
[ 24, 47, 49, 74, 96, 99, 116, 124, 145, 149, 162, 174, 194, 199, 224, 237, 243, 249, 274, 277, 292, 299, 324, 331, 341, 346, 349, 358, 374, 390, 399, 424, 439, 449, 474, 479, 488, 499, 500, 507, 524, 537, 549, 566, 574, 586, 599, 600, 624, 635 ]
[ "nonn" ]
A091292
[ 424, 2134, 20154, 23954, 27344, 27584, 37414, 45154, 74874, 89654, 503810, 1327292, 1910174, 8976614, 13954744, 17386316, 20920074, 22436224, 22937784, 23253068, 29705192, 70524530, 78617972, 81607504, 85815924, 94163306, 107161784, 114195964, 115314294, 149806904 ]
[ "nonn" ]
A116937
[ 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1 ]
[ "base", "cons", "nonn" ]
A060585
[ 0, 1, 1, 3, 2, 3, 3, 3, 2, 6, 7, 7, 5, 4, 5, 7, 7, 6, 6, 7, 7, 7, 6, 7, 5, 5, 4, 12, 13, 13, 15, 14, 15, 15, 15, 14, 10, 11, 11, 9, 8, 9, 11, 11, 10, 14, 15, 15, 15, 14, 15, 13, 13, 12, 12, 13, 13, 15, 14, 15, 15, 15, 14, 14, 15, 15, 13, 12, 13, 15, 15, 14, 10, 11, 11, 11, 10, 11, 9, 9 ]
[ "base", "nonn" ]
A136463
[ 1, 2, 15, 560, 91390, 61124064, 163995687856, 1756185841659392, 75079359427627900000, 1.2831653340946454e+25, 8.777916355714457e+30, 2.405432054176711e+37 ]
[ "nonn" ]
A137293
[ 1, 1, 2, 1, 2, 1, 2, 3, 4, 1, 2, 1, 2, 3, 4, 1, 2, 1, 2, 3, 4, 1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 1, 2, 3, 4, 1, 2, 1, 2, 3, 4, 1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 1, 2, 3, 4, 1, 2, 1, 2, 3, 4, 1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 1, 2, 3, 4, 1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6 ]
[ "nonn", "look", "easy" ]
A179415
[ 6, 6, 6, 8, 10, 12, 16, 18, 20, 26, 24, 28, 30, 22, 32, 28, 32, 36, 48, 42, 56, 34, 26, 28, 40, 38, 50, 48, 46, 64, 48, 46, 48, 46, 48, 56, 52, 66, 62, 66, 68, 86, 60, 70, 64, 72, 50, 50, 50, 40, 42, 46, 48, 36, 38, 36, 42, 48, 46, 44, 34, 30, 26, 22, 20, 16, 16, 16, 16, 16 ]
[ "nonn" ]
A004859
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 64, 65, 66, 67, 68, 69, 70, 71, 128, 129, 130, 131, 132, 133, 134, 192, 193, 194, 195, 196, 197, 256, 257, 258, 259, 260, 320, 321, 322, 323, 384, 385, 386, 448, 449, 512, 729, 730, 731 ]
[ "nonn" ]
A075277
[ 4, 6, 26, 34, 86, 134, 254, 274, 334, 386, 446, 566, 974, 1126, 1226, 1234, 1286, 1294, 1546, 2066, 2374, 2386, 2554, 2854, 2906, 2966, 3086, 3326, 3694, 3898, 4054, 4286, 4594, 4742, 4846, 4874, 4954, 5006, 5218, 5366, 5686, 5714, 5854, 6238, 6274, 6326 ]
[ "easy", "nonn" ]
A166090
[ 1, 5, 13, 21, 29, 61, 105, 53, 249, 133, 45, 141, 101, 221, 237, 173, 521, 285, 197, 117, 397, 269, 297, 669, 317, 341, 357, 381, 585, 485, 1265, 189, 2297, 461, 261, 1597, 509, 125, 629, 797, 333, 1237, 325, 773, 2369, 941, 549, 789, 1433, 1109 ]
[ "nonn" ]
A143074
[ 1, 3, 2, 9, 2, 3, 2, 33, 2, -27, 2, 699, 2, -5457, 2, 929601, 2, -3202287, 2, 221930589, 2, -4722116517, 2, 968383680843, 2, -14717667114147, 2, 2093660879252679, 2, -86125672563201180, 2, 129848163681107300000, 2, -868320396104950900000, 2, 2.0939061574764654e+23 ]
[ "sign", "frac" ]
A039709
[ 2, 3, 5, 7, 0, 2, 6, 8, 1, 7, 9, 4, 8, 10, 3, 9, 4, 6, 1, 5, 7, 2, 6, 1, 9, 2, 4, 8, 10, 3, 6, 10, 5, 7, 6, 8, 3, 9, 2, 8, 3, 5, 4, 6, 10, 1, 2, 3, 7, 9, 2, 8, 10, 9, 4, 10, 5, 7, 2, 6, 8, 7, 10, 3, 5, 9, 1, 7, 6, 8, 1, 7, 4, 10, 5, 9, 4, 1, 5, 2, 1, 3, 2, 4, 10, 3 ]
[ "nonn", "easy" ]
A150353
[ 1, 2, 7, 23, 91, 347, 1442, 5894, 25150, 106929, 464604, 2024694, 8920718, 39510929, 176050433, 788543981, 3545985466, 16014601115, 72557398924, 329816790773, 1503419004085, 6870337529615, 31473135008644, 144471945300465, 664553742725458, 3062204724098490, 14134818593101972, 65346009551465496 ]
[ "nonn", "walk" ]
A208585
[ 52, 90863, 992352688, 36182978136598, 3233126493451564500 ]
[ "nonn" ]
A317425
[ 5, 21, 32, 97, 279, 640, 1666, 4365, 11025, 28226, 72631, 185925, 475800, 1220158, 3127409, 8009375, 20525682, 52605367, 134773129, 345342596, 884980100, 2267571655, 5810363761, 14888942668, 38151102909, 97757875153, 250497703668 ]
[ "nonn" ]
A369659
[ 1, 8, 14, 20, 26, 35, 38, 44, 50, 62, 64, 65, 68, 74, 77, 86, 92, 95, 110, 112, 116, 119, 122, 125, 134, 143, 146, 155, 158, 160, 161, 164, 170, 185, 188, 194, 196, 203, 206, 208, 209, 212, 215, 218, 221, 230, 236, 242, 254, 275, 278, 280, 284, 287, 290, 299, 302, 304, 305, 314, 323, 326, 329, 332, 335, 341, 343 ]
[ "nonn" ]
A047823
[ 62, 69, 124, 133, 190, 194, 201, 206, 207, 213, 217, 219, 226, 235, 238, 248, 249, 254, 282, 286, 303, 309, 310, 314, 355, 380, 386, 388, 406, 411, 412, 426, 447, 451, 452, 458, 469, 476, 483, 489, 496, 505, 508, 553, 564, 572, 598, 602, 603, 606, 620, 621 ]
[ "nonn" ]
A245562
[ 0, 1, 1, 2, 1, 1, 1, 2, 3, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 3, 4, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 3, 2, 2, 1, 2, 1, 2, 2, 3, 3, 1, 4, 5, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 1, 3, 1, 4, 2, 2, 1 ]
[ "nonn", "base", "tabf", "easy" ]
A037001
[ 6, 16, 21, 28, 33, 53, 63, 73, 76, 83, 89, 93, 102, 112, 114, 135, 136, 140, 149, 160, 165, 173, 185, 186, 203, 221, 229, 241, 244, 260, 275, 280, 289, 292, 298, 302, 326, 329, 333, 335, 337, 354, 374, 380, 406, 423, 435, 456, 462, 477, 479, 484, 485, 500 ]
[ "nonn", "base" ]
A164263
[ 1, 2, 4, 8, 16, 30, 60, 116, 228, 444, 870, 1698, 3324, 6498, 12720, 24892, 48748, 95472, 187072, 366632, 718814, 1409666, 2765414, 5426584, 10651904, 20914746, 41077750, 80702042, 158594096, 311753402, 612994372, 1205648564, 2371934836, 4667676104 ]
[ "nonn" ]
A202326
[ 5, 24, 52, 93, 145, 206, 280, 363, 456, 566, 670, 774, 886, 990, 1094, 1206, 1310, 1414, 1526, 1630, 1734, 1842, 1946, 2054, 2162, 2266, 2374, 2482, 2586, 2690, 2794, 2902, 3010, 3114, 3222, 3328, 3432, 3542, 3646, 3750, 3862, 3966, 4070, 4182, 4286, 4390 ]
[ "nonn" ]
A256448
[ -1, 1, 2, 7, 3, 12, 4, 13, 23, 6, 28, 21, 7, 21, 40, 40, 14, 45, 33, 13, 52, 37, 60, 86, 42, 18, 43, 21, 50, 192, 50, 82, 25, 156, 30, 90, 95, 61, 94, 97, 34, 174, 35, 69, 35, 234, 250, 81, 36, 79, 139, 45, 220, 140, 132, 153, 44, 143, 92, 51, 250, 379, 103, 53, 105, 396, 174, 294, 59, 121, 181, 245, 182, 184, 129, 203, 261, 136, 265, 339, 72 ]
[ "sign" ]
A230314
[ 0, 1, 2, 8, 9, 16, 64, 65, 72, 125, 128, 250, 370, 468, 512, 520, 576, 637, 729, 730, 793, 1000, 1024, 1125, 1241, 1332, 1458, 1853, 2000, 2197, 2205, 2745, 2960, 3528, 3744, 3925, 4096, 4097, 4160, 4394, 4608, 4706, 4825, 4913, 4941, 5096, 5256, 5832, 5840 ]
[ "nonn" ]
A116441
[ 1, 2, 3, 6, 11, 13, 14, 21, 22, 26, 33, 39, 42, 66, 77, 78, 91, 137, 146, 219, 274, 411, 438, 822, 9091, 19802, 29703, 59406, 909091, 5882353, 10989011, 12145749, 12987013, 13986014, 14354067, 15037594, 20979021, 21978022, 22556391, 24291498, 25974026, 28708134 ]
[ "base", "nonn" ]
A100329
[ 0, 1, -1, 0, 0, 2, -3, 1, 0, 4, -8, 5, -1, 8, -20, 18, -7, 17, -48, 56, -32, 41, -113, 160, -120, 114, -267, 433, -400, 348, -648, 1133, -1233, 1096, -1644, 2914, -3599, 3425, -4384, 7472, -10112, 10449, -12193, 19328, -27696, 31010, -34835, 50849, -74720, 89716, -100680 ]
[ "sign", "easy" ]
A238616
[ 1, 2, 3, 4, 6, 8, 10, 12, 15, 19, 23, 25, 33, 41, 44, 51, 58, 67, 78, 84, 99, 117, 124, 132, 155, 186, 202, 219, 244, 268, 290, 317, 344, 396, 427, 449, 501, 557, 597, 639, 714, 752, 824, 885, 948, 1031, 1084, 1185, 1308, 1390, 1452, 1589, 1692, 1788, 1919 ]
[ "nonn", "easy" ]
A256228
[ 1, 2, 4, 5, 7, 9, 10, 17, 21, 41, 51, 59, 61, 77, 79, 83, 97, 108, 427, 615, 869, 900, 966, 3150, 3239, 3932, 5218, 11941, 30558, 44697, 90334, 113874, 128343, 142810, 222253 ]
[ "nonn", "more" ]
A308040
[ 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 24, 25, 26, 28, 30, 31, 32, 33, 34, 36, 38, 39, 40, 42, 43, 44, 45, 46, 48, 49, 50, 52, 54, 55, 56, 58, 60, 61, 62, 63, 64, 66, 68, 69, 70, 72, 73, 74, 75, 76, 78, 80, 81, 82, 84, 85, 86, 88, 90, 91, 92, 94, 96, 99, 100 ]
[ "nonn" ]
A182610
[ 1, 22, 528, 12144, 279818, 6435792, 148035360, 3404812752, 78310972608, 1801152369478, 41426510921664, 952809751186128, 21914624425304690, 504036361781716350, 11592836324384010000, 266635235460831970000, 6.13261041567744e+21, 1.410500395605811e+23 ]
[ "nonn" ]
A088394
[ 5, 7, 0, 8, 1, 0, 2, 4, 0, 5, 0, 0, 8, 1, 0, 2, 13, 0, 59, 7, 0, 0, 1, 0, 2, 4, 0, 5, 7, 0, 71, 1, 0, 65, 4, 0, 0, 79, 0, 8, 1, 0, 47, 0, 0, 5, 43, 0, 449, 1, 0, 2, 4, 0, 0, 25, 0, 35, 19, 0, 2, 355, 0, 5, 16, 0, 1493, 325, 0, 2, 31, 0, 14, 0, 0, 395, 0, 0, 38, 4, 0, 5, 241, 0, 26, 235, 0, 0 ]
[ "nonn" ]
A254252
[ 512, 14681, 268900, 2983064, 35691048, 325742026, 3756830312, 53130567141, 538163662362, 8068163879144, 153117743133240, 1493329979839859, 22285849665127810, 1767418588341588700, 9961527956307704000 ]
[ "nonn" ]
A052607
[ 1, 0, 2, 0, 24, 120, 720, 10080, 80640, 1088640, 14515200, 199584000, 3353011200, 56043187200, 1046139494400, 20922789888000, 439378587648000, 9959247986688000, 236887827111936000, 5960609920032768000 ]
[ "easy", "nonn" ]
A190020
[ 0, 0, 24, 236, 1148, 3932, 10760, 25392, 53576, 103824, 188104, 322852, 529116, 835028, 1275360, 1893496, 2742208, 3886568, 5402448, 7381316, 9928860, 13168484, 17243896, 22319864, 28579720, 36237928, 45532720, 56732668 ]
[ "nonn" ]
A080352
[ 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 2, 3, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 9, 9, 9, 9, 9, 10, 11, 12, 12, 12, 12, 12, 12, 13, 14, 15, 16, 16, 16, 16, 16, 16, 17, 18, 19, 20, 20, 20, 20, 20, 20, 20, 21, 22, 23, 24, 25, 25, 25, 25, 25, 25, 25, 26, 27, 28, 29, 30, 30, 30, 30, 30, 30, 30, 30, 31, 32 ]
[ "nonn" ]
A091824
[ 1, 3, 37, 61, 10651 ]
[ "hard", "more", "nonn" ]
A248705
[ 1, 8, 27, 64, 343, 729, 2744, 3375, 6859, 35937, 46656, 148877, 287496, 438976, 778688, 2985984, 3869893, 8489664, 34645976, 43986977, 58863869, 75686967, 398688256, 426957777, 485587656, 596947688, 835896888, 1693669888, 2548895896, 2954987875, 4758586568 ]
[ "nonn", "base" ]
A312930
[ 1, 4, 9, 13, 18, 22, 26, 32, 34, 40, 45, 48, 53, 57, 62, 66, 71, 75, 79, 84, 88, 93, 98, 100, 106, 111, 114, 120, 123, 128, 132, 137, 142, 145, 150, 154, 159, 164, 167, 172, 177, 180, 186, 190, 194, 198, 203, 208, 211, 217 ]
[ "nonn" ]
A256389
[ 1, 2, 3, 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 22, 24, 26, 27, 28, 30, 32, 34, 36, 38, 39, 40, 42, 44, 46, 48, 50, 52, 54, 56, 57, 58, 60, 62, 64, 66, 68, 69, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 99, 100, 102, 104, 105, 106, 108, 110 ]
[ "nonn" ]
A125699
[ 1, 2, 7, 1, 35, 6, 228, 28, 2, 2237, 159, 11, 31559, 1075, 77, 3, 1668997, 9389, 497, 24 ]
[ "tabf", "hard", "more", "nonn" ]
A228667
[ 1, 2, 1, 2, 1, 1, 2, 2, -2, -2, 2, -3, 3, 2, -3, 2, 2, 2, -3, 3, -3, 2, -3, 3, -2, -2, 2, -3, 3, -3, 3, 2, -3, 3, -3, 2, 2, 2, -3, 3, -3, 3, -3, 2, -3, 3, -3, 3, -2, -2, 2, -3, 3, -3, 3, -3, 3, 2, -3, 3, -3, 3, -3, 2, 2, 2, -3, 3, -3, 3, -3, 3, -3, 2, -3, 3 ]
[ "tabf", "easy", "sign" ]
A263358
[ 1, 0, 0, 1, 2, 3, 5, 7, 12, 18, 29, 43, 69, 101, 155, 231, 347, 509, 759, 1106, 1626, 2359, 3428, 4938, 7127, 10194, 14587, 20756, 29498, 41716, 58932, 82888, 116413, 162924, 227602, 316988, 440696, 610953, 845469, 1167118, 1608178, 2210888, 3034124, 4155111 ]
[ "nonn" ]
A110386
[ 1, 2, 7, 400, 25664160401, 1.1133592066966265e+52 ]
[ "easy", "nonn" ]
A130925
[ 0, 1, 3, 2, 6, 8, 7, 4, 5, 14, 15, 19, 21, 22, 16, 17, 20, 9, 10, 18, 11, 12, 13, 37, 38, 39, 40, 41, 51, 52, 56, 62, 59, 60, 64, 63, 58, 42, 43, 44, 45, 46, 53, 54, 55, 23, 24, 61, 25, 26, 27, 47, 48, 57, 28, 29, 49, 30, 31, 32, 50, 33, 34, 35, 36, 107, 108, 109, 110, 111 ]
[ "nonn" ]
A186833
[ 2688, 19904, 147428, 1075071, 6019798, 33731024, 188814612, 897952936, 4272342678, 20338694068, 87016169948, 372379475914, 1594343736734, 6342958109897, 25240403647650, 100475230637492, 379502308464848 ]
[ "nonn" ]
A041183
[ 1, 10, 201, 2020, 40601, 408030, 8201201, 82420040, 1656602001, 16648440050, 334625403001, 3362902470060, 67592674804201, 679289650512070, 13653385685045600, 137213146500968080, 2757916315704407000, 27716376303545040000, 557085442386605200000 ]
[ "nonn", "frac", "easy" ]
A162252
[ 5, 11, 179, 331, 599, 919, 1297, 1523, 1787, 2221, 3259, 3637, 3943, 4397, 5381, 6113, 6661, 6823, 8221, 9859, 10631, 11953, 12097, 12301, 12547, 12763, 13469, 14723, 15641, 15823, 17627, 18149, 19577, 20063, 20773, 21529, 23431, 26371, 26489 ]
[ "nonn", "base" ]
A200373
[ 2, 3, 4, 5, 6, 7, 8, 9, 10, 15, 24, 39, 54, 69, 92, 117, 142, 171, 208, 267, 338, 447, 560, 687, 844, 1011, 1198, 1415, 1648, 1957, 2294, 2685, 3104, 3551, 4098, 4731, 5396, 6107, 6870, 7791, 8764, 9871, 11038, 12281, 13784, 15397, 17098, 18923, 20844 ]
[ "nonn" ]
A303281
[ 0, 2, 5, 13, 18, 30, 37, 61, 79, 99, 110, 146, 159, 187, 217, 281, 298, 352, 371, 431, 473, 517, 540, 636, 686, 738, 819, 903, 932, 1022, 1053, 1213, 1279, 1347, 1417, 1561, 1598, 1674, 1752, 1912, 1953, 2079, 2122, 2254, 2389, 2481, 2528, 2768, 2866, 3016, 3118, 3274, 3327, 3543, 3653 ]
[ "nonn", "easy" ]
A130153
[ 0, 1, 8, 52, 362, 2779, 23749, 224570, 2334827, 26504418, 326476313, 4338953453, 61908434299, 944065986251, 15325676747363, 263910466293264, 4805394642545408, 92254524334410750, 1862526899218400000, 39449927915059030000, 874745258339527400000, 2.0265180489604116e+22 ]
[ "nonn" ]
A298604
[ 1, 1, 0, 1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 6, 5, 5, 6, 6, 7, 7, 8, 9, 8, 9, 10, 11, 12, 11, 12, 14, 14, 15, 16, 17, 17, 17, 20, 22, 21, 22, 24, 25, 27, 28, 30, 31, 31, 33, 36, 39, 40, 40, 42, 46, 47, 49, 53, 54, 55, 58, 63, 67, 68, 70, 73, 77, 81, 84 ]
[ "nonn" ]
A127347
[ 551, 791, 1655, 2279, 3935, 8391, 9959, 11639, 13175, 16559, 18383, 20975, 27419, 30191, 32231, 36071, 40511, 45791, 51983, 55199, 64199, 69599, 73911, 84311, 89751, 94679, 112511, 122759, 133419, 145571, 153671, 163775, 169439, 178079 ]
[ "nonn" ]
A131355
[ 1, 1, 1, 3, 4, 8, 10, 16, 19, 27, 31, 41, 46, 58, 64, 78, 85, 101, 109, 127, 136, 156, 166, 188, 199, 223, 235, 261, 274, 302, 316, 346, 361, 393, 409, 443, 460, 496, 514, 552, 571, 611, 631, 673, 694, 738, 760, 806, 829, 877, 901, 951, 976, 1028, 1054, 1108 ]
[ "nonn", "easy" ]
A295190
[ 1, 1, 1, 5, 97, 6739, 1611097, 1295101469, 3449859538455, 30155591559236244, 859063676925680200000, 7.936117764145083e+25 ]
[ "nonn", "more" ]
A132784
[ 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 2, 2, 2, 0, 0, 0, 0, 2, 4, 6, 7, 7, 7, 7, 0, 0, 0, 0, 0, 7, 14, 21, 28, 34, 38, 40, 40, 40, 40, 40, 0, 0, 0, 0, 0, 0, 40, 80, 120, 160, 200, 238, 272, 300, 321, 335, 342, 342, 342, 342, 342, 342, 0, 0, 0, 0, 0, 0, 0, 342, 684, 1026, 1368, 1710, 2052, 2387 ]
[ "nonn", "tabf" ]
A016490
[ 4, 7, 1, 6, 2, 4, 10, 2, 1, 2, 4, 1, 7, 3, 3, 1, 43, 1, 1, 1, 2, 1, 1, 1, 3, 3, 1, 3, 9, 1, 2, 6, 1, 13, 2, 1, 1, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 9, 1, 33, 1, 1, 9, 1, 1, 1, 9, 1, 15, 5, 6, 8, 1, 2, 185, 5, 1, 5, 2, 1, 1, 11, 4, 1, 1, 4, 2 ]
[ "nonn", "cofr" ]
A179300
[ 1, 3, 17, 128, 1131, 11070, 116317, 1287480, 14829188, 176250143, 2148687567, 26750057584, 338939419026, 4359422270652, 56799490825125, 748414965684808, 9959308633462092, 133694287642377760, 1808762770097970700, 24642635223262953000, 337856475305856860000 ]
[ "nonn", "easy" ]
A293846
[ 9, 24, 39, 60, 105, 156, 231, 396, 585, 864, 1479, 2184, 3225, 5520, 8151, 12036, 20601, 30420, 44919, 76884, 113529, 167640, 286935, 423696, 625641, 1070856, 1581255, 2334924, 3996489, 5901324, 8714055, 14915100, 22024041, 32521296, 55663911, 82194840 ]
[ "nonn", "easy" ]
A007395
[ 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, 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", "easy" ]
A269749
[ 471, 536, 684, 860, 1192, 1476, 1944, 2264, 2876, 4068, 4540, 6012, 7064, 7664, 8852, 10908, 13136, 14012, 16520, 18292, 19296, 22244, 24296, 27648, 32472, 34964, 36284, 38912, 40356, 43128, 53780, 56992, 62064, 63824, 72828, 74740, 80532, 86504, 90572, 96948, 103496, 105812, 117292, 119736 ]
[ "nonn" ]
A113707
[ 1, 69, 609, 196833, 241605, 440503, 2374119, 2841633, 3256479, 5529975 ]
[ "base", "nonn", "more" ]
A379589
[ 1, 31, 800, 6466, 60778, 441492, 3216584, 18693320 ]
[ "nonn", "more" ]
A231783
[ 55, 5734, 1339532, 290382196, 62871566958, 13609071705352, 2945758167995030, 637625980627797100, 138017736261370400000, 2.987471609278848e+22, 6.466550462524074e+24, 1.3997212468838597e+27 ]
[ "nonn" ]
A148236
[ 1, 1, 2, 4, 13, 35, 125, 379, 1410, 4568, 17355, 58687, 226060, 787594, 3063243, 10908565, 42712542, 154643162, 608400479, 2231231403, 8808890240, 32636886464, 129188068662, 482614611622, 1914179241594, 7199755293220, 28600519629207, 108188009568027, 430294291549040, 1635533474861490 ]
[ "nonn", "walk" ]
A215575
[ 3, 7, 35, 175, 931, 5047, 27587, 151263, 830403, 4560871, 25054435, 137642127, 756187747, 4154438295, 22824258947, 125395430335, 688917131651, 3784882096583, 20793986742179, 114241312597615, 627637106311971, 3448212648805239, 18944339609269572 ]
[ "nonn", "easy" ]
A173734
[ 8, 18, 118, 1118, 11118, 111118, 1111118, 11111118, 111111118, 1111111118, 11111111118, 111111111118, 1111111111118, 11111111111118, 111111111111118, 1111111111111118, 11111111111111118, 111111111111111120, 1111111111111111200, 11111111111111110000, 111111111111111110000 ]
[ "nonn", "easy" ]
A127086
[ 1, 4, 26, 192, 1551, 13416, 122770, 1180496, 11883079, 124992672, 1372811900, 15741602608, 188470662702, 2356327731016, 30760057620142, 419124712458444, 5956905826561685, 88230307480324350, 1360309585677285400 ]
[ "nonn" ]
A223167
[ 0, 3, 7, 15, 36, 127, 337, 752, 1699, 3101, 11585, 38261, 108969, 314888, 1052616, 3214630, 7956587, 21949553, 99877773, 222744641, 597394252, 1932355206, 7250186214, 17146907276, 55160980937, 155891678119, 508666658004, 1427745660372 ]
[ "nonn" ]
A195514
[ 1, 1, 1, 7, 49, 431, 5281, 69735, 1163681, 21106783, 443495041, 10238783303, 261253326577, 7289538431631, 220029116061665, 7180115829246391, 250782957484550980, 9365723147426912000, 371694221511705300000, 1.5638233703457023e+22 ]
[ "nonn" ]
A322950
[ 7, 11, 243, 291, 327, 1211, 7331, 26775, 101603, 171071, 284795, 295195, 323871, 589755, 833467, 1047471 ]
[ "nonn", "more", "hard" ]
A329460
[ 561, 62745, 576480525985, 1886616373665, 3193231538989185, 11947816523586944, 101817952350880300, 171800042106877200 ]
[ "nonn", "more" ]
A345199
[ 1, 1, 2, 3, 2, 4, 6, 6, 4, 8, 8, 8, 12, 9, 12, 13, 8, 14, 16, 14, 16, 18, 16, 18, 24, 20, 18, 22, 24, 20, 26, 26, 16, 28, 28, 24, 32, 28, 28, 32, 32, 32, 36, 36, 32, 40, 36, 36, 48, 37, 40, 45, 36, 45, 44, 41, 48, 45, 40, 45, 52, 41, 52, 53, 32, 54, 56, 46, 56 ]
[ "nonn" ]
A066263
[ 5, 6, 7, 9, 10, 11, 12, 13, 17, 19, 20, 23, 28, 31, 32, 40, 43, 61, 64, 79, 92, 101, 104, 127, 128, 148, 167, 191, 199, 256, 313, 347, 356, 596, 692, 701, 1004, 1228, 1268, 1709, 2617, 3539, 3824, 5807, 10501, 10691, 11279, 12391, 14479, 42737, 83339, 95369 ]
[ "nonn" ]
A092963
[ 5, 11, 31, 37, 131, 79, 547, 137, 577, 211, 617, 733, 521, 3347, 691, 1297, 4931, 991, 1103, 821, 3109, 991, 3727, 1753, 1901, 3407, 3673, 1597, 9281, 1831, 16369, 2081, 3301, 2347, 23311, 9109, 6883, 2927, 4603, 27241, 8447, 3571, 5591, 3917, 6121 ]
[ "nonn" ]
A103069
[ 0, 1, 31, 105, 113, 369, 1359, 6219, 105571, 150975 ]
[ "more", "nonn" ]
A118333
[ 2, 3, 5, 11, 23, 7, 17, 163, 443, 29, 73, 251, 4027, 2477, 499, 199, 883, 47, 2671, 308333, 2099, 859, 510481, 10429, 514519, 29629, 51713, 42337, 5407, 13841, 151733, 2448023843, 3133033, 89101, 61613, 19448653009, 50136277, 63259211 ]
[ "nonn" ]
A031574
[ 5778, 5794, 5806, 5822, 5826, 5854, 5862, 5874, 5878, 5926, 5938, 5942, 5958, 5998, 6018, 6022, 6038, 6046, 6062, 6082, 12999, 13017, 13044, 13071, 13089, 13143, 13173, 13182, 13188, 13251, 13254, 13269, 13287, 13323, 13326, 13341, 13353, 13377, 13389 ]
[ "nonn" ]
A307884
[ 1, 1, 1, 1, 0, 1, 1, -1, -2, 1, 1, -2, -3, 0, 1, 1, -3, -2, 11, 6, 1, 1, -4, 1, 28, 1, 0, 1, 1, -5, 6, 45, -74, -81, -20, 1, 1, -6, 13, 56, -255, -92, 141, 0, 1, 1, -7, 22, 55, -554, 477, 1324, 363, 70, 1, 1, -8, 33, 36, -959, 2376, 2689, -3656, -1791, 0, 1 ]
[ "sign", "tabl" ]
A123216
[ 2, 37, 677, 10061, 132241, 1632899, 19394489, 224284387, 2543568463, 313945524931, 37301821050191, 4317408693770701, 490210240132738500 ]
[ "nonn", "base", "more" ]
A270899
[ 1, 6, 11, 48, 52, 157, 177, 354, 371, 708, 744, 1193, 1205, 1886, 1946, 2763, 2803, 3972, 4080, 5401, 5457, 7234, 7374, 9383, 9539, 11964, 12196, 14853, 14993, 18242, 18578, 22107, 22423, 26608, 26996, 31493, 31809, 37090, 37454, 43231, 43691, 50156, 50664 ]
[ "nonn", "easy" ]
A006231
[ 0, 1, 5, 20, 84, 409, 2365, 16064, 125664, 1112073, 10976173, 119481284, 1421542628, 18348340113, 255323504917, 3809950976992, 60683990530208, 1027542662934897, 18430998766219316, 349096664728623300, 6962409983976703000, 145841989688186390000 ]
[ "nonn", "easy", "nice" ]
A352177
[ 1, 2, 1, 2, 1, 3, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
[ "nonn", "hard", "more" ]
A288098
[ 1, -1, -2, 0, 0, 4, 1, 3, 0, -5, 0, -7, -6, -4, 7, 0, 6, 9, 11, 10, -2, 13, -13, -10, -17, -20, -25, 0, -11, -11, -2, 11, 41, 27, 41, 17, 58, 12, 27, -21, -2, -36, -67, -52, -59, -95, -75, -20, -89, 35, 0, 62, 41, 142, 97, 172, 63, 154, 148, 85, 110, -36, -17, -156 ]
[ "sign", "look" ]
A326729
[ 0, 0, 3, 1, 5, 7, 4, 3, 9, 11, 8, 15, 14, 9, 10, 7, 17, 19, 16, 23, 22, 17, 18, 31, 26, 29, 30, 19, 24, 21, 22, 15, 33, 35, 32, 39, 38, 33, 34, 47, 42, 45, 46, 35, 40, 37, 38, 63, 50, 53, 54, 59, 48, 61, 62, 39, 60, 49, 50, 43, 52, 45, 46, 31, 65, 67, 64, 71, 70, 65, 66, 79, 74, 77, 78, 67, 72, 69, 70, 95, 82, 85, 86, 91, 80, 93, 94, 71, 92, 81, 82, 75, 84, 77, 78, 127, 98, 101, 102, 107, 96 ]
[ "base", "nonn", "look" ]
A340076
[ 1, 2, 3, 5, 6, 7, 11, 13, 17, 19, 23, 26, 29, 31, 37, 39, 41, 43, 47, 53, 55, 59, 61, 67, 71, 73, 78, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 138, 139, 149, 151, 157, 163, 167, 173, 179, 181, 182, 191, 193, 195, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 259, 263, 269, 271, 277, 281, 283 ]
[ "nonn" ]
A124304
[ 1, 0, 1, 0, 0, 1, 0, -1, 0, 1, 0, 0, -2, 0, 1, 0, 0, 0, -3, 0, 1, 0, 0, 1, 0, -4, 0, 1, 0, 0, 0, 3, 0, -5, 0, 1, 0, 0, 0, 0, 6, 0, -6, 0, 1, 0, 0, 0, -1, 0, 10, 0, -7, 0, 1, 0, 0, 0, 0, -4, 0, 15, 0, -8, 0, 1, 0, 0, 0, 0, 0, -10, 0, 21, 0, -9, 0, 1, 0, 0, 0, 0, 1, 0, -20, 0, 28, 0, -10, 0, 1 ]
[ "easy", "sign", "tabl" ]
A299780
[ 11, 0, 20, 0, 22, 39, 0, 33, 85, 33, 0, 74, 149, 94, 15, 0, 100, 284, 187, 92, 10, 0 ]
[ "nonn", "tabl", "hard", "more" ]
A034287
[ 1, 2, 3, 4, 6, 8, 10, 12, 18, 20, 24, 30, 36, 48, 60, 72, 84, 90, 96, 108, 120, 168, 180, 240, 336, 360, 420, 480, 504, 540, 600, 630, 660, 672, 720, 840, 1080, 1260, 1440, 1680, 2160, 2520, 3360, 3780, 3960, 4200, 4320, 4620, 4680, 5040, 7560, 9240 ]
[ "easy", "nonn", "nice" ]
A282160
[ 3, 7, 3, 17, 3, 15, 2, 19, 3, 5, 3, 43, 2, 7, 3, 19, 2, 5, 2, 17, 3, 7, 3, 167, 2, 7, 3, 11, 3, 3, 2, 19, 3, 2, 3, 67, 2, 2, 3, 17, 3, 17, 2, 7, 2, 5, 2, 211, 2, 7, 3, 7, 3, 11, 3, 13, 2, 3, 2, 139, 2, 2, 3, 31, 3, 9, 2, 5, 3, 5, 2, 109, 2, 5, 3, 2, 2, 3, 2, 85, 3, 3, 3, 61 ]
[ "nonn" ]
A338472
[ 3, 109, 14519, 2024592291, 1536463613637, 2449395996564189000, 4.686662617019462e+21, 3.372415582796297e+28, 2.6062829439713592e+39, 1.5159042500551578e+43, 6.576976543997975e+54 ]
[ "nonn" ]
A271309
[ 52, 60, 65, 74, 75, 76, 85, 108, 111, 121, 124, 125, 127, 131, 132, 140, 144, 150, 153, 156, 158, 172, 175, 180, 183, 185, 195, 201, 209, 213, 216, 220, 225, 250, 263, 287, 300, 301, 327, 328, 335, 337, 339, 344, 356, 370, 402, 404, 408, 412, 417, 423, 433, 435 ]
[ "nonn" ]
A329183
[ 13, 15, 17, 19, 21, 23, 25, 35, 39, 47, 67, 71, 89, 93, 113, 153, 163, 185, 201, 267, 427, 491, 871, 1645, 3075, 3351, 3435, 5385, 7893, 10649, 15597, 44641, 50039, 57269, 67647, 83061, 89717 ]
[ "nonn" ]
A316169
[ 3, 6, 5, 2, 6, 4, 1, 0, 7, 3, 8, 7, 7, 5, 3, 0, 2, 4, 1, 9, 9, 2, 0, 1, 4, 2, 3, 8, 8, 1, 8, 3, 8, 7, 6, 3, 5, 3, 1, 6, 6, 2, 1, 1, 7, 0, 1, 1, 7, 9, 0, 3, 9, 2, 4, 1, 9, 1, 4, 4, 6, 7, 0, 2, 9, 2, 7, 1, 3, 3, 9, 7, 1, 8, 6, 9, 7, 4, 3, 2, 4, 8, 9, 3, 4, 4 ]
[ "nonn", "cons" ]
A131875
[ 1, 5, 4, 12, 5, 7, 22, 6, 8, 10, 35, 7, 9, 11, 13, 51, 8, 10, 12, 14, 16, 70, 9, 11, 13, 15, 17, 19, 92, 10, 12, 14, 16, 18, 20, 22, 117, 11, 13, 15, 17, 19, 21, 23, 25, 145, 12, 14, 16, 18, 20, 22, 24, 26, 28 ]
[ "nonn", "tabl" ]
A151102
[ 1, 3, 11, 43, 183, 804, 3593, 16403, 75914, 354170, 1665099, 7885983, 37532516, 179316553, 860227887, 4140471444, 19977956382, 96628135136, 468432058624, 2274938810486, 11065752663237, 53910840100157, 263005760557395, 1284565970851187, 6281059887543450, 30744235672382452, 150621365818561120 ]
[ "nonn", "walk" ]
A319881
[ 1, 7, 9, 8, 5, 3, 4, 9, 9, 7, 9, 2, 4, 7, 8, 2, 7, 0, 5, 8, 8, 5, 5, 2, 9, 9, 7, 2, 5, 6, 1, 0, 8, 2, 3, 6, 0, 1, 2, 9, 7, 3, 5, 3, 6, 8, 2, 9, 1, 9, 2, 1, 1, 9, 0, 5, 4, 6, 7, 3, 0, 2, 9, 9, 9, 3, 3, 1, 4, 6, 1, 0, 6, 4, 5, 8, 7, 9, 3, 8 ]
[ "nonn", "cons" ]
A387997
[ 13, 13, 37, 58, 95, 128, 197, 251, 345, 432, 558, 678, 850, 1003, 1219, 1426, 1688, 1940, 2267, 2573, 2958, 3330, 3780, 4218, 4747, 5251, 5857, 6448, 7133, 7802, 8585, 9341, 10215, 11070, 12042, 12996, 14080, 15133, 16327, 17500, 18806, 20090, 21527, 22931 ]
[ "nonn", "easy" ]
A256730
[ 13056, 186624, 2267136, 30294016, 388595712, 5101387776, 65927512064, 859759181824, 11156772618240, 145188233150464, 1886191427256320, 24528150473998336, 318786248816721900, 4144523593872572400 ]
[ "nonn" ]