id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A094528
[ 1, 1, 2, 2, 2, 3, 3, 2, 3, 4, 3, 3, 4, 4, 5, 3, 4, 4, 5, 5, 6, 4, 5, 4, 6, 6, 6, 7, 5, 5, 4, 6, 7, 7, 7, 8, 6, 6, 5, 7, 8, 8, 8, 8, 9, 6, 6, 6, 7, 8, 9, 9, 9, 9, 10, 7, 6, 7, 7, 9, 10, 10, 10, 10, 10, 11, 7, 6, 8, 8, 10, 10, 11, 11, 11, 11, 11, 12, 7, 7, 8, 8, 10, 11, 12, 12, 12, 12, 12, 12, 13 ]
[ "nonn", "tabl" ]
A350191
[ 1, 1, 1, 1, 5, 3, 1, 45, 29, 5, 807, 422, 29, 20022, 8270, 224, 642162, 211848, 3012 ]
[ "nonn", "more", "hard" ]
A352532
[ 277777788888899, 277777788888989, 277777788888998, 277777788889889, 277777788889898, 277777788889988, 277777788898889, 277777788898898, 277777788898988, 277777788899888, 277777788988889, 277777788988898, 277777788988988, 277777788989888, 277777788998888 ]
[ "nonn", "base" ]
A155344
[ 1, 4, 13, 37, 146, 632, 2601, 11932, 76177, 558787, 4627682, 46978044, 543470526 ]
[ "nonn" ]
A104109
[ 1, 2, 3, 4, 11, 19, 22, 23, 29, 31, 37, 41, 43, 46, 47, 53, 57, 58, 59, 61, 67, 69, 71, 73, 79, 83, 86, 87, 89, 92, 93, 94, 97, 101, 103, 106, 107, 109, 111, 113, 116, 118 ]
[ "more", "nonn" ]
A114570
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 49, 50, 51, 52, 53, 54, 55, 56, 57 ]
[ "nonn", "base" ]
A355462
[ 36, 72, 100, 108, 144, 196, 200, 216, 225, 288, 324, 392, 400, 432, 441, 484, 500, 576, 648, 675, 676, 784, 800, 864, 968, 972, 1000, 1089, 1125, 1152, 1156, 1225, 1296, 1323, 1352, 1372, 1444, 1521, 1568, 1600, 1728, 1936, 1944, 2000, 2025, 2116, 2304, 2312, 2500 ]
[ "nonn" ]
A352742
[ 2, 81, 512, 2401, 11101212, 34012224, 612220032, 20047612231936, 3904305912313344, 7800803212802061000, 1.0253002071210867e+21, 2.1378001547732224e+23, 1.4076019706120526e+25, 2.670419511272061e+27, 2.759031540715334e+30, 1.053040080891115e+31 ]
[ "nonn", "base" ]
A088571
[ 0, 0, 1, 1, 3, 3, 6, 7, 12, 14, 20, 25, 36, 43, 57, 69, 92, 110, 140, 168, 211, 250, 311, 369, 453, 531, 646, 754, 910, 1061, 1262, 1473, 1748, 2015, 2381, 2738, 3214, 3701, 4313, 4935, 5734, 6558, 7568, 8641, 9950, 11286, 12977, 14719, 16822, 19043, 21702 ]
[ "easy", "nonn" ]
A055114
[ 23, 37, 53, 59, 61, 83, 103, 107, 113, 127, 137, 139, 149, 151, 197, 211, 223, 227, 229, 331, 347, 349, 353, 359, 383, 421, 439, 461, 479, 491, 509, 523, 529, 541, 557, 563, 569, 607, 631, 739, 751, 757, 761, 769, 797, 809, 811, 821, 823, 827, 829, 839, 851 ]
[ "nonn" ]
A008831
[ 0, 1, 4, 2, 9, 5, 11, 3, 8, 10, 7, 6 ]
[ "nonn", "base", "fini", "full" ]
A065240
[ 1, 0, 7, 7, 91, 217, 1561, 5593, 32011, 139363, 732697, 3492265, 17899609, 89014933, 455041825, 2311847083, 11875575355, 61080825757 ]
[ "nonn", "more" ]
A253173
[ 15628, 15678, 16038, 17082, 17820, 19084, 20457, 20754, 21658, 24507, 26910, 27504, 28156, 28651, 30976, 32890, 34902, 35046, 35496, 36508, 36970, 37096, 37690, 38870, 40596, 40898, 43076, 43670, 45068, 46740, 46970, 47690, 48504, 48592, 50076, 50346 ]
[ "nonn", "easy", "base" ]
A023969
[ 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0 ]
[ "nonn" ]
A287002
[ 0, 1, 2, 0, 1, 0, 1, 2, 0, 0, 1, 2, 0, 1, 0, 1, 0, 1, 2, 0, 1, 0, 1, 2, 0, 0, 1, 2, 0, 0, 1, 2, 0, 1, 0, 1, 2, 0, 0, 1, 2, 0, 1, 0, 1, 0, 1, 2, 0, 1, 0, 1, 0, 1, 2, 0, 1, 0, 1, 2, 0, 0, 1, 2, 0, 1, 0, 1, 0, 1, 2, 0, 1, 0, 1, 2, 0, 0, 1, 2, 0, 0, 1, 2, 0, 1 ]
[ "nonn", "easy" ]
A385230
[ 1, 3, 7, 9, 5, 13, 15, 25, 9, 7, 17, 37, 13, 43, 45, 49, 19, 67, 23, 73, 39, 79, 87, 93, 97, 11, 51, 105, 19, 115, 127, 65, 135, 139, 71, 37, 153, 163, 165, 169, 175, 177, 61, 189, 95, 193, 199, 101, 205, 207, 213, 107, 219, 235, 17, 83, 23, 85, 265, 89, 91, 277, 279, 141, 59, 75 ]
[ "nonn", "easy" ]
A058924
[ 1, 4, 18, 176, 2150, 34092, 657188, 14906432, 389737818, 11529141500, 380857483952, 13895470754640, 554956118521142, 24080860049310092, 1128136962146717700, 56750155140807115000, 3.050971843350042e+21, 1.7457433225405234e+23, 1.0592743117577264e+25 ]
[ "nonn" ]
A341291
[ 1, 2, 4, 6, 7, 9, 11, 14, 15, 17, 19, 20, 21, 23, 24, 28, 28, 31, 32, 35, 36, 39, 40, 44, 44, 46, 48, 49, 50, 52, 54, 57, 58, 60, 62, 64, 65, 66, 68, 71, 72, 74, 76, 77, 78, 80, 81, 84, 84, 87, 88, 90, 92, 94, 96, 99, 100, 102, 104, 105, 106, 108, 110, 113 ]
[ "nonn" ]
A326785
[ 0, 1, 2, 3, 4, 8, 9, 10, 11, 16, 32, 52, 64, 128, 129, 130, 131, 136, 137, 138, 139, 256, 288, 512, 528, 772, 816, 1024, 2048, 2052, 2320, 2340, 2580, 2592, 2868, 4096, 8192, 13376, 16384, 32768, 32769, 32770, 32771, 32776, 32777, 32778, 32779, 32896, 32897 ]
[ "nonn" ]
A238044
[ 109200, 1999804, 36440340, 735878108, 14397005860, 279924727600, 5473296255556, 107021048538492, 2090782962200072, 40874379064896160, 798716229511035300, 15608788331991224000, 305077956891386000000 ]
[ "nonn" ]
A388277
[ 3, 117, 135, 585, 819, 1485, 4095, 5733, 9009, 13923, 77805, 92781, 108927, 118755, 544635, 931095, 1303533, 2723175, 2876211, 2878785, 2941029, 4147605, 4466007, 5990985, 6517665, 14705145, 15828615, 21415185, 22160061, 22330035, 40847625, 45204705, 45623655, 49348035, 49997493, 53918865, 66107745, 69087249, 84418425 ]
[ "nonn" ]
A058509
[ 1, 0, -1, 4, -3, -2, 11, -6, -11, 20, -15, -16, 43, -24, -32, 76, -48, -58, 144, -84, -97, 238, -144, -172, 398, -234, -279, 636, -372, -428, 1012, -582, -678, 1564, -906, -1028, 2389, -1362, -1576, 3560, -2046, -2320, 5290, -2988, -3407, 7700, -4371, -4928 ]
[ "sign" ]
A147112
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 11, 11, 27, 27, 61, 61, 281, 281 ]
[ "nonn" ]
A228264
[ 255, 6305, 58911, 315601, 1161855, 3298681, 7795501, 16171769, 30424997, 53235009, 87985685, 138831929, 210793509, 309786737, 442759141, 617796857, 844148261, 1132324321, 1494179237, 1942991081, 2493542437, 3162201041 ]
[ "nonn" ]
A342145
[ 0, 9, 10, 11, 12, 15, 19, 20, 23, 24, 25, 29, 30, 31, 36, 37, 39, 40, 48, 49, 50, 51, 52, 57, 59, 60, 61, 62, 69, 70, 71, 73, 74, 75, 78, 79, 80, 81, 86, 87, 89, 90, 91, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110 ]
[ "nonn", "base" ]
A022396
[ 1, 26, 27, 53, 80, 133, 213, 346, 559, 905, 1464, 2369, 3833, 6202, 10035, 16237, 26272, 42509, 68781, 111290, 180071, 291361, 471432, 762793, 1234225, 1997018, 3231243, 5228261, 8459504, 13687765, 22147269, 35835034, 57982303, 93817337, 151799640, 245616977, 397416617, 643033594 ]
[ "nonn" ]
A206288
[ 1, 121, 143, 169, 187, 1111, 1133, 1177, 1199, 1243, 1313, 1331, 1339, 1391, 1397, 1417, 1441, 1469, 1507, 1529, 1573, 1639, 1651, 1661, 1703, 1717, 1727, 1751, 1781, 1793, 1807, 1819, 1837, 1853, 1859, 1903, 1919, 1921, 1937, 1957, 1963, 1969, 1991 ]
[ "nonn", "base" ]
A020275
[ 25, 325, 703, 817, 2101, 2353, 3277, 4525, 11041, 14089, 20197, 25829, 26419, 29857, 29891, 30811, 33227, 38503, 39331, 45991, 49241, 49321, 58825, 64681, 65131, 75241, 76627, 78937, 79381, 84151, 87673, 88399, 88831, 102943, 109061, 116003, 126673 ]
[ "nonn" ]
A046864
[ 2, 3, 5, 7, 29, 49, 89, 199, 599, 2999, 4999, 19999, 59999, 79999, 299999, 899999, 5999999, 7999999, 49999999, 89999999, 199999999, 799999999, 2999999999, 8999999999, 79999999999, 299999999999, 499999999999, 899999999999 ]
[ "nonn", "base", "easy" ]
A247321
[ 1, 0, 0, 0, 0, 1, 1, 0, 1, 1, 1, 2, 1, 2, 4, 2, 2, 5, 5, 6, 5, 7, 13, 10, 7, 18, 22, 20, 18, 29, 45, 40, 29, 63, 87, 74, 63, 116, 166, 150, 116, 229, 329, 282, 229, 445, 627, 558, 445, 856, 1232, 1072, 856, 1677, 2373, 2088, 1677, 3229, 4621, 4050, 3229 ]
[ "nonn", "tabf", "easy" ]
A376907
[ 7, 19, 127, 1657, 10267, 102121, 1021417, 10052191, 100381321, 1000556719, 10000510297, 100025541019, 1000011191887, 10000028937841, 100000062634561, 1000001305386991, 10000001240507792, 100000021541868690, 1000000084213608400, 10000000012591553000, 100000000159478320000 ]
[ "nonn", "base" ]
A184847
[ 1, 1, 2, 2, 3, 34, 137, 810, 6367, 66564, 448091, 2895361, 21050917, 147976680, 1131808944, 7785436438 ]
[ "nonn" ]
A222276
[ 25, 2205, 194485, 17153945, 1513010465, 133450391205, 11770577485085, 1038187247574145, 91570083319317870, 8076654937439905000, 712376276332499800000, 6.283293801854761e+22, 5.541984245134993e+24 ]
[ "nonn" ]
A236534
[ 1, 1, 3, 0, 0, 0, 0, 0, 0, 6, 2, 1, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, 1630, 5765, 0, 0, 4328, 0, 0, 0, 0, 0, 0, 356314, 543474, 0, 0, 0, 1423936, 1925120, 0, 0, 0, 0, 0, 0, 30626057, 629069477, 0, 0, 21939632, 0, 0, 0, 0, 0, 0, 0, 6596922386, 50997052437 ]
[ "nonn" ]
A119179
[ 7, 12, 67, 132, 667, 1287, 1332, 4067, 6667, 13287, 13332, 66667, 75932, 133287, 133332, 666667, 1333287, 1333332, 6666667, 13333287, 13333332, 21395692, 23335692, 23335932, 66666667, 124280507, 124721912, 133333287, 133333332 ]
[ "nonn", "base" ]
A028980
[ 1, 2, 3, 4, 5, 7, 43, 81, 96, 98, 130, 146, 162, 166, 201, 205, 208, 211, 221, 241, 244, 251, 271, 274, 281, 300, 314, 325, 333, 365, 388, 422, 433, 438, 443, 463, 489, 519, 559, 633, 685, 793, 803, 827, 857, 877, 887, 1376, 1419, 1505, 1548 ]
[ "nonn", "base" ]
A073806
[ 1, 2, 4, 4, 4, 6, 6, 4, 4, 8, 4, 16, 8, 8, 12, 4, 8, 8, 4, 16, 12, 8, 8, 12, 8, 12, 12, 24, 4, 18, 8, 16, 12, 12, 18, 12, 8, 8, 18, 16, 6, 15, 12, 16, 12, 12, 16, 16, 8, 16, 18, 32, 8, 18, 12, 16, 12, 8, 4, 48, 4, 16, 24, 4, 24, 18, 8, 32, 18, 24, 4, 16, 16, 12, 32, 16, 18, 24, 4, 16, 6 ]
[ "nonn" ]
A006463
[ 0, 0, 1, 2, 4, 6, 8, 11, 14, 17, 20, 24, 28, 32, 36, 40, 45, 50, 55, 60, 65, 70, 76, 82, 88, 94, 100, 106, 112, 119, 126, 133, 140, 147, 154, 161, 168, 176, 184, 192, 200, 208, 216, 224, 232, 240, 249, 258, 267, 276, 285, 294, 303, 312, 321, 330, 340, 350, 360 ]
[ "nonn", "easy", "nice" ]
A109597
[ 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 108, 192, 200, 220, 300, 400, 410, 444, 500, 600, 612, 700, 800, 864, 900, 1000, 1002, 1224, 1380, 1520, 1800, 1853, 2000, 2001, 2080, 2112, 2220, 2223, 2408, 2445, 2556, 2640, 2667, 2704, 2889, 2926, 3000, 3060, 3222 ]
[ "base", "easy", "nonn" ]
A023553
[ 3, 13, 29, 58, 106, 186, 317, 531, 879, 1444, 2360, 3844, 6247, 10137, 16433, 26622, 43110, 69790, 112961, 182815, 295843, 478728, 774644, 1253448, 2028171, 3281701, 5309957, 8591746 ]
[ "nonn" ]
A163983
[ 1, 6, 18, 41, 77, 133, 210, 310, 445, 602, 810, 1049, 1347, 1693, 2068, 2545, 3028, 3613, 4256, 4987, 5817, 6711, 7640, 8783, 9962, 11157, 12454, 13992, 15615, 17310, 19194, 21113, 23108, 25325, 27852, 30412, 33158, 36019, 38920, 41877, 45230, 48686, 52528, 56593, 60399, 64406 ]
[ "nonn" ]
A267713
[ 2, 16, 102, 872, 4444, 26906, 116036, 592110, 2411426, 11438402, 45729992, 209204918, 830949994, 3719941006, 14733123252, 64989888570 ]
[ "nonn" ]
A290337
[ 2, 4, 11, 28, 37, 67, 149, 284, 596, 1179, 2444, 5023, 10103, 20577, 41746, 84860, 172501, 350392, 712597, 1448463, 2943959, 5983960, 12162310, 24721031, 50246512, 102128407, 207584129, 421927877, 857596064, 1743119352, 3543000201, 7201377180, 14637255611 ]
[ "nonn" ]
A263296
[ 1, 1, 1, 2, 1, 1, 5, 3, 2, 1, 13, 10, 8, 2, 1, 44, 52, 41, 15, 3, 1, 191, 351, 352, 121, 25, 3, 1, 1229, 3714, 4820, 2159, 378, 41, 4, 1, 13588, 63638, 113256, 68715, 14306, 1095, 65, 4, 1, 288597, 1912203, 4602039, 3952378, 1141575, 104829, 3441, 100, 5, 1 ]
[ "nonn", "tabl" ]
A351137
[ 1, 1, 129, 121172, 421875178, 3922823960054, 80130334773241140, 3.1568491124580664e+21, 2.1855437105320972e+26, 2.4795129220015278e+31, 4.365539219231132e+36, 1.1419305213290522e+42 ]
[ "nonn" ]
A379001
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 7, 11, 7, 12, 13, 14, 7, 15, 7, 16, 17, 12, 7, 18, 19, 12, 20, 21, 7, 22, 7, 23, 17, 12, 24, 25, 7, 12, 17, 26, 7, 27, 7, 21, 28, 12, 7, 29, 30, 31, 17, 21, 7, 32, 24, 33, 17, 12, 7, 34, 7, 12, 35, 36, 24, 27, 7, 21, 17, 37, 7, 38, 7, 12, 39, 21, 40, 27, 7, 41, 42, 12, 7, 43, 24, 12, 17, 33, 7, 44, 40, 21, 17, 12, 24, 45, 7, 46, 35 ]
[ "nonn" ]
A309430
[ 1, 2, 2, 3, 4, 4, 5, 6, 6, 7, 7, 8, 9, 9, 10, 10, 11, 11, 12, 13, 13, 13, 14, 14, 15, 16, 16, 17, 17, 18, 19, 19, 19, 20, 20, 21, 21, 22, 23, 23, 24, 24, 25, 25, 26, 26, 26, 27, 27, 28, 29, 29, 30, 30, 31, 31, 32, 33, 33, 33, 34, 34, 35, 36, 36, 37, 37, 38, 38, 38, 39, 39, 40, 41, 41, 41, 42, 42, 43, 44, 44 ]
[ "nonn", "easy" ]
A167180
[ 1, 2, 4, 5, 9, 10, 14, 15, 18, 23, 25, 30, 34, 35, 38, 43, 49, 50, 56, 59, 60, 65, 69, 74, 81, 84, 85, 88, 90, 93, 107, 110, 115, 116, 125, 126, 132, 137, 140, 145, 151, 152, 162, 163, 166, 167, 179, 190, 193, 194, 197, 202, 204, 213, 218, 223, 228, 229, 235, 238, 240 ]
[ "nonn" ]
A370764
[ 1, 10, 62, 1620, 6966, 157580, 1284012, 19189160, 73908774, 2233414620, 9656822916, 287668788120, -324007115716, 40151699854200, -199460032590312, 7130611518222160, -64971542557275640, 1292318115470489300, -15433712240157938000, 265667290368470450000, -3.6247763727476877e+21 ]
[ "sign" ]
A004087
[ 2, 3, 5, 7, 11, 31, 71, 91, 32, 92, 13, 73, 14, 34, 74, 35, 95, 16, 76, 17, 37, 97, 38, 98, 79, 101, 301, 701, 901, 311, 721, 131, 731, 931, 941, 151, 751, 361, 761, 371, 971, 181, 191, 391, 791, 991, 112, 322, 722, 922, 332, 932, 142, 152, 752, 362, 962, 172 ]
[ "nonn", "base", "look" ]
A209481
[ 1, 5, 12, 72, 390, 2606, 17771, 128598, 950292, 7180767, 55056590, 427567892, 3354737555, 26555548849 ]
[ "nonn" ]
A047204
[ 3, 4, 8, 9, 13, 14, 18, 19, 23, 24, 28, 29, 33, 34, 38, 39, 43, 44, 48, 49, 53, 54, 58, 59, 63, 64, 68, 69, 73, 74, 78, 79, 83, 84, 88, 89, 93, 94, 98, 99, 103, 104, 108, 109, 113, 114, 118, 119, 123, 124, 128, 129, 133, 134, 138, 139, 143, 144, 148, 149 ]
[ "nonn", "easy" ]
A126427
[ 2, 3, 4, 5, 10, 11, 15, 16, 17, 19, 20, 21, 27, 28, 30, 34, 36, 44, 48, 50, 56, 72, 75, 82, 84, 97, 101, 103, 105, 109, 113, 117, 130, 133, 141, 154, 157, 163, 177, 179, 188, 197, 204, 207, 218, 240, 248, 249, 250, 252, 262, 268, 281, 283, 285, 286, 291, 301, 305, 315 ]
[ "nonn" ]
A106899
[ 2, 7, 53, 89, 97, 131, 263, 331, 337, 353, 479, 491, 521, 541, 643, 709, 719, 883, 911, 1021, 1093, 1117, 1229, 1231, 1427, 1489, 1493, 1511, 1531, 1699, 1787, 1789, 1907, 1999, 2063, 2089, 2129, 2131, 2399, 2591, 2621, 2657, 2707, 2711, 2791 ]
[ "nonn", "easy" ]
A174248
[ 1, 1, 4, 23, 117, 454, 2003, 9157, 40899, 179399, 796558, 3546996, 15747348, 69834517, 310058192, 1376868145, 6112247118, 27132236455, 120453362938, 534754586459, 2373975139658, 10538953415410, 46786795734201, 207705902269424, 922089495910044, 4093525019450760 ]
[ "nonn", "easy" ]
A263336
[ 19, 57, 277, 8983, 86743, 1242727, 24783643, 378987927, 6444087745, 117421871383, 2037242485357, 36477607935307, 667349823883969, 12106674834513596, 222467163304384060, 4127234503116527000, 76478986386387980000 ]
[ "nonn" ]
A136825
[ 0, 1, 5, 10, 11, 15, 50, 100, 101, 105, 110, 150, 151, 285, 500, 501, 505, 1000, 1001, 1005, 1010, 1011, 1050, 1100, 1101, 1105, 1500, 1510, 1585, 2255, 2285, 2850, 2851, 2855, 5000, 5001, 5005, 5010, 5011, 5015, 5050, 10000, 10001, 10005, 10010, 10011, 10050, 10100, 10105, 10110, 10500, 11000, 11001, 11005, 11010, 11050, 11205, 12255, 15000, 15005 ]
[ "base", "nonn" ]
A188777
[ 1, 4, 0, 9, 4, 0, 16, 20, 0, 0, 25, 56, 28, 0, 0, 36, 120, 152, 24, 0, 0, 49, 220, 488, 328, 8, 0, 0, 64, 364, 1192, 1720, 584, 0, 0, 0, 81, 560, 2468, 5816, 5464, 840, 0, 0, 0, 100, 816, 4560, 15424, 26360, 15824, 784, 0, 0, 0, 121, 1140, 7760, 34736, 91120, 112680, 40496 ]
[ "nonn", "tabl" ]
A142760
[ 151, 269, 859, 977, 1213, 1567, 2039, 2393, 3691, 4517, 4871, 5107, 6287, 7349, 7703, 8293, 8647, 9001, 9473, 10181, 10771, 10889, 11243, 11597, 11833, 12541, 12659, 13249, 13367, 13721, 14783, 15137, 15373, 15727, 16553, 17497, 17851, 18913, 19031, 19267 ]
[ "nonn", "easy" ]
A051253
[ 1, 4, 6, 18, 36, 80, 172, 360, 760, 1576, 3264, 6720, 13776, 28160, 57376, 116640, 236608, 479104, 968640, 1955712, 3944064, 7945856, 15993856, 32168448, 64656640, 129879040, 260759040, 523289088, 1049711616, 2104967168, 4219743232, 8456841216, 16944388096 ]
[ "nice", "easy", "nonn" ]
A179302
[ 0, 1, 2, 3, 4, 5, 10, 11, 12, 18, 19, 20, 29, 30, 31, 32, 36, 37, 39, 43, 55, 56, 61, 62, 65, 72, 77, 104, 142, 154, 169, 191, 197, 200, 229, 258, 267, 276, 375, 407, 408, 411, 412, 437, 440, 456, 539, 597, 607, 621, 629, 653, 660, 663, 724, 742, 743, 759, 760, 768 ]
[ "nonn" ]
A110951
[ 0, 2, 10, 117, 1218, 8544, 102528, 1073328, 13174560, 167191920, 2194456320, 34592423040, 566748161280, 8894849241600, 159020867174400, 3016954215475200, 59837217568128000, 1189832713214745600 ]
[ "nonn" ]
A293721
[ 1, 1, 9, 79, 457, 5901, 66841, 720259, 11155089, 158315257, 2361665161, 42133751991, 720156599449, 13181971424389, 265545621153177, 5280775950377131, 111888028465044000, 2508562975185903600, 56507353426001535000, 1.342159313030965e+21 ]
[ "nonn" ]
A343015
[ 5, 0, 6, 8, 7, 6, 0, 9, 3, 1, 6, 5, 2, 7, 8, 4, 5, 5, 2, 2, 2, 4, 3, 9, 3, 1, 3, 1, 6, 0, 5, 1, 1, 2, 3, 7, 7, 7, 3, 5, 2, 6, 9, 9, 8, 2, 5, 4, 8, 5, 2, 6, 1, 0, 5, 6, 1, 9, 4, 1, 2, 1, 4, 3, 8, 1, 4, 1, 3, 7, 2, 5, 8, 4, 6, 7, 8, 6, 3, 3, 5, 4, 8, 4, 9, 5, 1 ]
[ "nonn", "cons" ]
A158534
[ 1, 20, 398, 7880, 155212, 3041200, 59271880, 1148943200, 22149057680, 424598062400, 8093278209760, 153373602947200, 2889419938329280, 54107432295852800, 1007023727520494700, 18625466446126014000, 342298617096905500000, 6.249957415662077e+21 ]
[ "sign" ]
A078965
[ 47, 257, 557, 587, 1217, 4007, 6257, 10847, 14537, 17477, 19457, 26717, 41597, 51407, 84047, 94427, 101267, 115757, 131927, 150077, 150197, 154067, 169307, 179807, 185057, 193367, 206807, 250037, 267887, 275147, 290027, 302567, 344237, 408197, 428027, 442817, 443147 ]
[ "nonn" ]
A243624
[ 5, 7, 8, 9, 10, 12, 13, 14, 15, 16, 16, 18, 18, 19, 20, 20, 21, 22, 22, 24, 24, 24, 25, 26, 26, 28, 28, 30, 30, 30, 31, 32, 32, 33, 34, 34, 34, 36, 36, 36, 36, 38, 39, 40, 40, 40, 42, 42, 42, 42, 43, 44, 44, 44, 45, 46, 46, 46, 48, 48, 48, 48, 48, 49, 50, 50, 50, 50, 52, 52, 52, 54, 54, 54, 54, 54, 55, 56, 56, 56, 58, 58, 58 ]
[ "nonn" ]
A196865
[ 1, 3, 18, -117, -1971, 16119, 343278, -3036528, -71818164, 661017348, 16593480504, -156436510221, -4080815440497, 39095628518637, 1047594828442626, -10152600834566916, -277489726161424580, 2712640349690579500, 75279129630178440000, -740885355955719600000 ]
[ "sign" ]
A002673
[ 1, 1, 13, 41, 671, 73, 597871, 7913, 28009, 792451, 170549237, 19397633, 317733228541, 9860686403, 75397891, 170314355593, 2084647712458321, 29327731093, 168856464709124000, 3063310184201, 499338236699611, 535201577273701760, 23571643935246012000 ]
[ "nonn", "frac" ]
A346570
[ 9, 9, 9, 9, 8, 8, 4, 4, 8, 4, 3, 8, 7, 2, 8, 2, 4, 7, 8, 3, 8, 1, 3, 1, 5, 7, 2, 3, 9, 1, 7, 9, 6, 4, 9, 9, 8, 5, 8, 8, 0, 7, 3, 1, 6, 6, 4, 0, 8, 1, 0, 6, 8, 4, 2, 9, 4, 1, 0, 3, 1, 1, 3, 3, 7, 6, 8, 2, 6, 8, 6, 1, 5, 8, 0, 4, 0, 5, 4, 0, 5, 8, 4, 6, 0, 0, 5 ]
[ "nonn", "cons" ]
A156597
[ 1, -5, -66, 2105, 23430, -630125, -20601306, 3107848465, 33784742310, -1638545276075, -89035949216346, 10555858770407436, 344142156014772400, -24109481481788470000, -1.834034118141953e+21, 1.1860293247518291e+24, 1.2888926737616798e+25 ]
[ "sign", "frac" ]
A131769
[ 8, 30, 72, 160, 352, 768, 1664, 3584, 7680, 16384, 34816, 73728, 155648, 327680, 688128, 1441792, 3014656, 6291456, 13107200, 27262976 ]
[ "easy", "nonn" ]
A382465
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 23, 24, 25, 26, 27, 28, 29, 31, 33, 34, 35, 36, 37, 38, 39, 41, 43, 45, 46, 47, 48, 49, 51, 53, 55, 56, 57, 58, 59, 61, 63, 65, 67, 68, 69, 71, 73, 75, 77, 78, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99 ]
[ "nonn", "base", "easy" ]
A284463
[ 1, 0, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 12, 1, 2, 2, 1, 1, 65, 1, 23, 2, 2, 1, 351, 1, 2, 1, 38, 1, 15778, 1, 1, 2, 2, 2, 10252, 1, 2, 2, 1601, 1, 302265, 1, 80, 750, 2, 1, 299426, 1, 13404, 2, 107, 1, 1618192, 2, 5031, 2, 2, 1, 707445067, 1, 2, 2398, 1, 2, 119762253, 1, 173, 2, 39614048, 1, 255418101, 1, 2, 154603 ]
[ "nonn" ]
A125888
[ 0, 1, 4, 11, 95, 1255, 4381, 145067, 7662223, 80819870, 3642636055, 790371794974, 19684652229146, 11040403321665368, 3322851650570694700, 219687751171273300000, 5.1502260609302684e+23, 1.946889068386888e+27, 6.595369962471683e+29 ]
[ "easy", "nonn", "frac" ]
A025913
[ 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 2, 0, 1, 1, 1, 1, 0, 2, 0, 2, 1, 2, 1, 1, 2, 1, 2, 1, 3, 1, 2, 2, 2, 2, 2, 3, 2, 3, 2, 3, 2, 3, 3, 3, 3, 3, 4, 3, 4, 3, 4, 3, 4, 4, 4, 5, 4, 5, 4, 5, 4, 5, 5, 5, 6, 5, 6, 5, 6, 6, 6, 6 ]
[ "nonn", "easy" ]
A234207
[ 560768, 2169836, 8457288, 47733004, 240124200, 1604387244, 8897304552, 64901610764, 374113860960, 2910384943748, 17034103949352, 140730269072380, 826105214941608, 7264759779004680, 42419107064583310, 398510367685330200 ]
[ "nonn" ]
A087722
[ 9, 14, 17, 19, 21, 24, 26, 28, 30, 31, 33, 35, 37, 39, 40, 41, 43, 44, 46, 48, 50, 52, 53, 55, 57, 58, 61, 62, 63, 64, 65, 68, 69, 71, 72, 73, 75, 76, 77, 78, 79, 82, 83, 84, 86, 87, 88, 90, 92, 93, 94, 100, 104, 105, 106, 107, 108, 109, 110, 112, 113, 114, 116, 118, 119 ]
[ "nonn" ]
A219299
[ 3, 3, 3, 6, 7, 6, 10, 17, 17, 10, 15, 35, 77, 35, 15, 21, 62, 261, 261, 62, 21, 28, 103, 800, 1540, 800, 103, 28, 36, 165, 2361, 8424, 8424, 2361, 165, 36, 45, 257, 6647, 42938, 80488, 42938, 6647, 257, 45, 55, 390, 17675, 204842, 696879, 696879, 204842, 17675 ]
[ "nonn", "tabl" ]
A090292
[ 100, 81, 64, 49, 2116, 225, 1936, 1849, 1764, 1681, 8100, 57121, 238144, 56169, 236196, 1225, 234256, 54289, 232324, 53361, 6400, 52441, 228484, 51529, 226576, 5625, 224676, 49729, 222784, 48841, 4900, 47961, 6091024, 1481089, 6081156, 81225, 6071296, 1471369 ]
[ "base", "nonn" ]
A241277
[ 2, 3, 41, 773, 20717, 15616828, 2949336562 ]
[ "nonn" ]
A017341
[ 6, 16, 26, 36, 46, 56, 66, 76, 86, 96, 106, 116, 126, 136, 146, 156, 166, 176, 186, 196, 206, 216, 226, 236, 246, 256, 266, 276, 286, 296, 306, 316, 326, 336, 346, 356, 366, 376, 386, 396, 406, 416, 426, 436, 446, 456, 466, 476, 486, 496, 506, 516, 526, 536 ]
[ "nonn", "easy" ]
A225868
[ 6, 9, 12, 13, 16, 19, 24, 31, 32, 48, 53, 83, 89, 107, 113, 131, 139, 149, 167, 179, 191, 199, 227, 233, 251, 263, 409, 431, 449, 467, 479, 503, 587, 599, 631, 659, 683, 719, 769, 827, 983, 1019, 1091, 1259, 1367, 1409, 1439, 1487, 1499, 1511, 1583, 1619, 1979 ]
[ "nonn" ]
A229440
[ 5, 10, 22, 53, 128, 293, 625, 1244, 2327, 4124, 6976, 11335, 17786, 27071, 40115, 58054, 82265, 114398, 156410, 210601, 279652, 366665, 475205, 609344, 773707, 973520, 1214660, 1503707, 1847998, 2255683, 2735783, 3298250, 3954029, 4715122 ]
[ "nonn" ]
A242318
[ 65, 185, 503, 1316, 3398, 8801, 23069, 60197, 156887, 408962, 1066514, 2781611, 7253453, 18914369, 49323167, 128621684, 335409314, 874649537, 2280834353, 5947765493, 15510073823, 40445831522, 105471145814, 275038567523 ]
[ "nonn" ]
A000252
[ 1, 6, 48, 96, 480, 288, 2016, 1536, 3888, 2880, 13200, 4608, 26208, 12096, 23040, 24576, 78336, 23328, 123120, 46080, 96768, 79200, 267168, 73728, 300000, 157248, 314928, 193536, 682080, 138240, 892800, 393216, 633600, 470016, 967680, 373248, 1822176, 738720 ]
[ "nonn", "easy", "nice", "mult" ]
A019420
[ 3, 5, 13, 19, 29, 37, 43, 53, 59, 67, 83, 101, 107, 109, 131, 139, 149, 173, 179, 181, 197, 227, 229, 251, 269, 277, 283, 293, 307, 317, 331, 347, 373, 379, 389, 397, 419, 421, 443, 461, 467, 491, 499, 509, 523, 541, 557, 563, 587, 619, 643, 653, 659, 661, 677, 683, 691 ]
[ "nonn" ]
A128931
[ 2, 3, 98, 120 ]
[ "dead" ]
A108027
[ 0, 12, 20, 26, 32, 54, 66, 92, 96, 104, 126, 132, 140, 144, 152, 174, 176, 180, 182, 186, 194, 200, 204, 210, 222, 230, 260, 264, 276, 284, 290, 302, 306, 336, 342, 360, 384, 390, 402, 404, 414, 416, 420, 480, 482, 486, 500, 510, 536, 546, 566, 570, 582, 584 ]
[ "nonn" ]
A244836
[ 30, 219, 950, 2833, 6916, 14859, 29588, 53105, 91096, 142873, 221230, 329953, 486452, 685227, 953512, 1261375, 1692336, 2215665, 2897664, 3691943, 4607584, 5752875, 7157736, 8770613, 10766662, 12925703, 15444348, 18397849, 21891900 ]
[ "nonn" ]
A163855
[ 2, 7, 83, 227, 24157811, 2971215067, 53316291167, 5527939700884751, 99194853094755490, 420196140727489660, 4660046610375530000, 83621143489848430000, 1.0663404174917106e+27 ]
[ "nonn" ]
A020911
[ 1, 1, 1, 2, 2, 2, 3, 3, 4, 4, 5, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 9, 10, 10, 11, 11, 12, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 16, 17, 17, 18, 18, 19, 19, 19, 20, 20, 21, 21, 22, 22, 23, 23, 23, 24, 24, 25, 25, 26, 26, 26, 27, 27, 28, 28, 29, 29, 30, 30, 30 ]
[ "nonn", "base" ]
A052794
[ 0, 0, 0, 0, 0, 0, 720, 2520, 13440, 90720, 725760, 6652800, 68428800, 778377600, 9686476800, 130767436800, 1902071808000, 29640619008000, 492490285056000, 8688935743488000, 162193467211776000, 3193183885731840000, 66117689869271040000, 1.4362231521602765e+21 ]
[ "easy", "nonn" ]
A053971
[ 9, 55696, 69696, 695556, 9696996, 6999999556, 5956596696996, 956655965556695600, 996599569656965600, 9595996595655557000, 5.655569966969597e+21, 6.955955699655666e+35 ]
[ "nonn", "base", "more" ]
A039448
[ 13, 23, 123, 143, 146, 147, 148, 149, 150, 151, 152, 153, 156, 167, 178, 189, 200, 211, 222, 233, 243, 253, 256, 257, 258, 259, 260, 261, 262, 263, 276, 287, 298, 309, 320, 331, 342, 353, 376, 386, 497, 507, 618, 628, 739, 749, 860, 870, 981, 991, 1102 ]
[ "nonn", "base", "easy" ]
A266620
[ 2, 3, 4, 5, 7, 7, 11, 11, 11, 11, 13, 13, 17, 17, 17, 17, 19, 19, 23, 23, 23, 23, 29, 29, 29, 29, 29, 29, 31, 31, 37, 37, 37, 37, 37, 37, 41, 41, 41, 41, 43, 43, 47, 47, 47, 47, 53, 53, 53, 53, 53, 53, 59, 59, 59, 59, 59, 59, 61, 61, 67, 67, 67, 67, 67, 67, 71 ]
[ "nonn", "easy" ]
A366274
[ 1, 2, 2, 3, 4, 4, 4, 5, 6, 7, 8, 9, 10, 10, 10, 13, 13, 13, 14, 14, 15, 15, 16, 18, 20, 20, 19, 19, 18, 22, 24, 24, 25, 27, 27, 27, 29, 28, 29, 30, 31, 31, 33, 33, 32, 34, 37, 39, 38, 39, 40, 40, 41, 42, 42, 43, 42, 43, 43, 43 ]
[ "nonn" ]
A089984
[ 1, 1, 1, 1, 0, 1, -1, 1, -1, 0, 1, 1, -1, 1, -2, -1, 3, 5, -1, -2, 7, -3, -13, 97, 200, 2309, -226573, 45538573, -105193879657, -23833987746960404, 1.0853658147301548e+24, 1.1417384089746029e+35 ]
[ "sign", "easy" ]
A011581
[ 1, 2147483647, 308834550658326, 768305500780164500, 193257076459811270000, 1.086005470535395e+22, 2.0817566374102817e+23, 1.7513462567201222e+24, 7.605059958514261e+24 ]
[ "nonn", "fini", "full" ]
A159778
[ 1, 2, 4, 4, 1, 2, 9, 0, 5, 7, 6, 1, 4, 9, 7, 2, 8, 8, 1, 8, 4, 9, 3, 6, 4, 7, 1, 1, 5, 5, 3, 6, 0, 5, 6, 8, 8, 8, 7, 9, 1, 1, 0, 5, 9, 1, 3, 7, 6, 0, 5, 1, 7, 9, 5, 8, 2, 3, 9, 1, 4, 2, 1, 0, 7, 0, 5, 1, 4, 3, 9, 7, 8, 6, 8, 2, 7, 2, 3, 2, 5, 1, 5, 5, 7, 5, 4, 5, 3, 6, 4, 6, 2, 5, 8, 6, 0, 3, 6, 4, 6, 1, 7, 4, 2 ]
[ "cons", "nonn" ]