Datasets:
N8Programs
/
oeis-enhanced

Dataset card Data Studio Files
xet
Community
1
id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
⌀
A267805
[ 1, 7, 23, 103, 375, 1639, 6007, 26215, 96119, 419431, 1537911, 6710887, 24606583, 107374183, 393705335, 1717986919, 6299285367, 27487790695, 100788565879, 439804651111, 1612617054071, 7036874417767, 25801872865143, 112589990684263, 412829965842295 ]
[ "nonn", "easy" ]
A293140
[ 1, -1, -2, 0, 0, 120, 0, 5040, 0, 0, 0, 0, -479001600, 0, 0, -1307674368000, 0, 0, 0, 0, 0, 0, 1.1240007277776077e+21, 0, 0, 0, 4.0329146112660565e+26, 0, 0, 0, 0, 0, 0, 0, 0, -1.0333147966386145e+40, 0, 0, 0, 0 ]
[ "sign" ]
A001265
[ 3, 7, 3, 5, 31, 3, 3, 7, 127, 3, 5, 17, 7, 73, 3, 11, 31, 23, 89, 3, 3, 5, 7, 13, 8191, 3, 43, 127, 7, 31, 151, 3, 5, 17, 257, 131071, 3, 3, 3, 7, 19, 73, 524287, 3, 5, 5, 11, 31, 41, 7, 7, 127, 337, 3, 23, 89, 683, 47, 178481, 3, 3, 5, 7, 13, 17, 241 ]
[ "nonn", "tabf" ]
A034542
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 16, 63, 184, 544, 1443, 3798, 9539, 23814, 58271, 142097, 343417, 828280, 1988057, 4760382, 11351856, 26974239, 63796113, 150165108, 351529414 ]
[ "nonn" ]
A072914
[ 1, 16, 1296, 20736, 12960000, 12960000, 31116960000, 497871360000, 40327580160000, 40327580160000, 590436101122560000, 590436101122560000, 1.6863445484161437e+22, 1.6863445484161437e+22 ]
[ "easy", "nonn", "frac" ]
A295928
[ 1, 3, 16, 122, 1188, 13844, 185448, 2781348, 45868268, 821096828, 15804092592, 324709899276, 7081361097108, 163179784397820, 3958519452109912, 100778473796398530 ]
[ "nonn", "more" ]
A315701
[ 1, 6, 12, 17, 23, 28, 34, 40, 46, 52, 57, 63, 68, 74, 80, 86, 92, 97, 103, 108, 114, 120, 126, 132, 137, 143, 148, 154, 160, 166, 172, 177, 183, 188, 194, 200, 206, 212, 217, 223, 228, 234, 240, 246, 252, 257, 263, 268, 274, 280 ]
[ "nonn" ]
A078778
[ 4, 5, 6, 7, 8, 10, 13, 14, 19, 20, 24, 25, 26, 28, 34, 38, 48, 54, 55, 59, 71, 75, 92, 109, 114, 115 ]
[ "more", "nonn" ]
A071802
[ 1, 0, 2, 1, 0, 3, 1, 0, 4, 1, 0, 5, 2, 0, 6, 1, 0, 7, 1, 0, 8, 4, 3, 1, 0, 9, 1, 0, 10, 3, 0, 11, 2, 0, 12, 3, 0, 13, 4, 3, 1, 0, 14, 5, 0, 15, 1, 0, 16, 5, 3, 1, 0, 17, 3, 0, 18, 3, 0, 19, 5, 2, 1, 0, 20, 3, 0, 21, 2, 0, 22, 1, 0, 23, 5, 0, 24, 4, 3, 1, 0, 25, 3, 0, 26, 4, 3, 1, 0, 27, 5, 2, 1, 0 ]
[ "nonn", "nice", "easy", "tabf" ]
A191283
[ 1, 2, 3, 4, 6, 8, 10, 12, 16, 20, 21, 24, 32, 36, 40, 42, 48, 55, 64, 72, 78, 80, 84, 96, 110, 128, 136, 144, 156, 160, 168, 192, 210, 220, 231, 256, 272, 288, 300, 312, 320, 336, 384, 420, 440, 462, 512, 528, 544, 576, 600, 624, 640, 666, 672, 768, 820, 840, 880, 903, 924, 1024, 1056, 1088, 1152, 1176, 1200, 1248, 1280, 1332 ]
[ "nonn" ]
A068929
[ 1, 3, 2, 1, 2, 2, 2, 3, 3, 4, 5, 5, 6, 8, 8, 11, 12, 14, 17, 20, 24, 29, 32, 41, 46, 56, 68, 78, 93, 114, 130, 161, 188, 223, 268, 318, 378, 456, 533, 646, 763, 911, 1092, 1296, 1542, 1855, 2190, 2634, 3133, 3732, 4463, 5323, 6339, 7596, 9022, 10802, 12876 ]
[ "easy", "nonn" ]
A241140
[ 1, 0, 5, 7, 3, 2, 8, 1, 4, 1, 0, 0, 1, 8, 7, 6, 9, 2, 4, 9, 5, 2, 6, 5, 7, 0, 9, 4, 1, 8, 4, 2, 8, 6, 6, 4, 3, 1, 3, 1, 7, 9, 1, 2, 5, 2, 6, 2, 8, 4, 3, 3, 8, 2, 2, 0, 9, 5, 1, 4, 6, 0, 7, 7, 1, 5, 3, 3, 9, 2, 3, 8, 4, 4, 0, 6, 2, 1, 4, 0, 4, 4, 6, 8, 3, 0, 2, 0, 1, 6, 7, 3, 0, 1, 6, 6, 3, 3, 2, 3, 3 ]
[ "nonn", "cons", "easy" ]
A043601
[ 279620, 279622, 279623, 279624, 279625, 279627, 279628, 279629, 279630, 279649, 279650, 279651, 279652, 279654, 279655, 279660, 279661, 279662, 279665, 279666, 279667, 279668, 279670, 279671, 279672, 279673, 279675 ]
[ "nonn", "base" ]
A181403
[ 1, 9, 63, 48 ]
[ "nonn", "more", "base" ]
A199567
[ 8, 64, 568, 5104, 45928, 413344, 3720088, 33480784, 301327048, 2711943424, 24407490808, 219667417264, 1977006755368, 17793060798304, 160137547184728, 1441237924662544, 12971141321962888, 116740271897665980, 1050662447078993800, 9455962023710945000, 85103658213398500000 ]
[ "nonn", "easy" ]
A207593
[ 18, 324, 612, 2232, 7272, 25776, 85536, 300096, 1004364, 3501756, 11782620, 40900716, 138145104, 477983232, 1619007480, 5587936560, 18968405364, 65343675996, 222184777860, 764259590844, 2602091320056, 8940128392080 ]
[ "nonn" ]
A027709
[ 0, 4, 6, 8, 8, 10, 10, 12, 12, 12, 14, 14, 14, 16, 16, 16, 16, 18, 18, 18, 18, 20, 20, 20, 20, 20, 22, 22, 22, 22, 22, 24, 24, 24, 24, 24, 24, 26, 26, 26, 26, 26, 26, 28, 28, 28, 28, 28, 28, 28, 30, 30, 30, 30, 30, 30, 30, 32, 32, 32, 32, 32, 32, 32, 32, 34, 34, 34, 34, 34, 34 ]
[ "easy", "nonn" ]
A197532
[ 4, 16, 56, 216, 868, 3500, 14085, 56842, 229706, 928664, 3755722, 15191220, 61451640, 248596817, 1005703793, 4068662528, 16460279703, 66592450774, 269410213656, 1089943115100, 4409547400430, 17839571907124, 72173035560719 ]
[ "nonn" ]
A362127
[ 1, 2, 3, 4, 5, 6, 8, 10, 12, 16, 19, 22, 28, 32, 34, 40, 43, 47, 51, 53, 56, 57, 60, 63, 64, 65, 69, 75, 77, 79, 80, 84, 86, 98, 99, 102, 105, 107, 119, 129, 130, 141, 143, 146, 150, 162, 170, 182, 188, 200, 202, 214, 220, 226, 232, 240, 248, 252, 262, 264, 268, 282, 294, 310, 326, 330, 342, 354, 362 ]
[ "nonn" ]
A016415
[ 1, -1, 1, 0, 0, 0, 0, 1, -1, 1, 0, 1, -1, 1, 0, 0, 0, 0, 1, -1, 1, -1, 1, -1, 0, 0, 0, 0, -1, 1, -1, 0, -1, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 1, -1, 0, 0, 1, -1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, -1, 1, 0, 0, -1, 1, 0, -1, 0, 0, 0 ]
[ "sign", "fini", "full" ]
A186935
[ 344, 6848, 46960, 400192, 3026432, 25314744, 199197496, 1627815216, 12959411184, 105094646680, 841526384968, 6794773877768, 54572082394368, 439857772138872, 3537187036922272, 28484975285666720, 229175684311650980 ]
[ "nonn" ]
A029405
[ 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 2, 2, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 3, 5, 5, 5, 5, 6, 6, 6, 6, 7, 8, 8, 7, 9, 10, 9, 9, 11, 11, 12, 11, 12, 14, 14, 13, 15, 16, 16, 16, 18, 18, 19, 19, 20, 22, 22, 21, 24, 25 ]
[ "nonn", "easy" ]
A275791
[ 1, -4, 1, 4, -5, 1, 0, 12, -7, 1, 4, -21, 25, -9, 1, -8, 30, -63, 42, -11, 1, 0, -44, 131, -138, 63, -13, 1, 0, 72, -246, 365, -253, 88, -15, 1, 4, -85, 425, -837, 808, -416, 117, -17, 1, -4, 85, -685, 1734, -2200, 1552, -635, 150, -19, 1, 8, -134, 1053, -3319, 5326, -4888, 2705, -918, 187, -21, 1 ]
[ "sign", "tabl", "easy" ]
A038580
[ 5, 11, 31, 59, 127, 179, 277, 331, 431, 599, 709, 919, 1063, 1153, 1297, 1523, 1787, 1847, 2221, 2381, 2477, 2749, 3001, 3259, 3637, 3943, 4091, 4273, 4397, 4549, 5381, 5623, 5869, 6113, 6661, 6823, 7193, 7607, 7841, 8221, 8527, 8719, 9319, 9461, 9739 ]
[ "easy", "nice", "nonn" ]
A240954
[ 1, 0, 1, 29, 100, 182, 484, 902, 2116, 4034, 8836, 17138, 36100, 70850, 145924, 288578, 586756 ]
[ "nonn", "walk", "more" ]
A330467
[ 1, 1, 4, 18, 154, 1614, 23733, 396190, 8066984, 183930948, 4811382339, 138718632336, 4451963556127, 155416836338920, 5920554613563841, 242873491536944700, 10725017764009208000, 505671090907469840000, 2.541519092932115e+22, 1.354279188424092e+24 ]
[ "nonn" ]
A098078
[ 389, 401, 479, 359, 701, 449, 1979, 8573, 6143, 13151, 5573, 16871, 1571, 4289, 72923, 12149, 432713, 444869, 209063, 221219, 495923, 2771333, 6050753, 3787493, 7621181, 2586581, 3094661, 20785049, 478056143, 103047653, 333576953 ]
[ "nonn", "less", "tabf" ]
A161944
[ 2, 7, 28, 119, 518, 2275, 10024, 44219, 195146, 861343, 3802036, 16782815, 74082638, 327016123, 1443518272, 6371996771, 28127352722, 124160138935, 548069364556, 2419295214791, 10679285736854, 47140647917587 ]
[ "nonn", "easy" ]
A274872
[ 1, 4, 50, 200, 1519, 6076, 36564, 146256, 770481, 3081924, 14934774, 59739096, 273905827, 1095623308, 4836291512, 19345166048, 83144608885, 332578435540, 1402399388442, 5609597553768, 23330003686119, 93320014744476, 384220628807964, 1536882515231856 ]
[ "nonn", "easy" ]
A271137
[ 0, 1, 44, 2529, 239700, 41288768, 13536514992, 8663986363705, 10993523599196564, 27931583281337320000, 1.4307313008644322e+23, 1.4847015319036867e+27, 3.132552084655126e+31 ]
[ "nonn" ]
A247560
[ 1, 1, -1, -7, -17, -23, -1, 89, 271, 457, 287, -967, -4049, -8279, -8641, 7193, 56143, 139657, 194399, 24569, -703889, -2209943, -3814273, -2603047, 7447951, 32756041, 68476319, 74404793, -50690897, -449691863, -1146312001, -1640168551, -335257649, 5554901257 ]
[ "sign", "easy" ]
A003707
[ 0, 1, -1, 4, -14, 80, -496, 3904, -34544, 354560, -4055296, 51733504, -724212224, 11070525440, -183218384896, 3266330312704, -62380415842304, 1270842139934720, -27507260369207296, 630424777638805500, -15250924309151350000, 388362339077351000000, -1.0384039093607252e+22 ]
[ "sign" ]
A262898
[ 7, 8, 5, 13, 4, 3, 19, 11, 1, 1, 20, 17, 9, 0, 0, 24, 14, 15, 6, 0, 0, 25, 16, 10, 11, 2, 0, 0, 28, 22, 11, 6, 9, 0, 0, 0, 33, 22, 18, 9, 2, 6, 0, 0, 0, 36, 29, 18, 12, 6, 0, 2, 0, 0, 0, 37, 27, 27, 12, 6, 2, 0, 0, 0, 0, 0, 40, 35, 23, 23, 6, 2, 0, 0, 0, 0, 0, 0, 43, 32, 31, 21, 21, 2, 0, 0, 0, 0, 0, 0, 0, 49, 41, 26, 29, 17, 17, 0, 0, 0, 0, 0, 0, 0, 0, 50, 46, 39, 22, 27, 15, 15, 0, 0, 0, 0, 0, 0, 0, 0 ]
[ "nonn", "tabl" ]
A216165
[ 1, 49, 63, 81, 91, 99, 117, 123, 213, 231, 279, 319, 427, 459, 621, 697, 721, 801, 951, 987, 1113, 1131, 1261, 1821, 1939, 2101, 2149, 2211, 2517, 2611, 3151, 3219, 4011, 4411, 4887, 5031, 5361, 6231, 6487, 7011, 7209, 8671, 9141, 9801, 10051, 10161, 10281 ]
[ "nonn", "base" ]
A242375
[ 1, 1, 7, 82, 1499, 37476, 1200705, 46990952, 2175619923, 116400215521, 7069820334023, 480722969498938, 36186340018129390, 2987845924408179700, 268530017303221570000, 2.6098422892000807e+22, 2.727654868575749e+24, 3.050755711923297e+26 ]
[ "nonn" ]
A195710
[ 2, 2, 5, 5, 5, 1, 5, 5, 2, 9, 7, 9, 7, 1, 7, 9, 5, 3, 3, 1, 1, 9, 4, 1, 9, 7, 6, 1, 3, 5, 0, 8, 1, 5, 4, 5, 8, 0, 2, 7, 8, 5, 8, 0, 0, 8, 8, 3, 0, 2, 1, 5, 1, 7, 2, 6, 0, 2, 5, 8, 2, 8, 2, 2, 5, 0, 3, 0, 5, 7, 6, 1, 7, 4, 0, 0, 2, 3, 0, 8, 2, 3, 7, 8, 3, 1, 0, 3, 6, 5, 3, 9, 6, 1, 3, 8, 7, 8, 3, 2 ]
[ "nonn", "cons" ]
A334907
[ 1, 5, 63, 1287, 36465, 1322685, 58503375, 3053876175, 183771489825, 12525477859125, 953725671273375, 80237355387564370, 7391465178302430000, 739967791738943300000, 7.999306990005473e+22, 9.286937373235386e+24, 1.1524245013151184e+27 ]
[ "nonn", "easy", "changed" ]
A027886
[ 3413, 171851, 800143, 21146189, 92361319, 233915567, 287889649, 351395251, 511939063, 611695897, 857765101, 1369378627, 1585717909, 4487418853, 7816697183, 14152933547, 22107078277, 26146483801, 30755875373, 69098926867, 84378396409, 155844134429, 174691507057 ]
[ "nonn" ]
A028840
[ 0, 1, 2, 3, 5, 8, 10, 11, 12, 14, 17, 20, 21, 23, 26, 30, 32, 35, 41, 44, 49, 50, 53, 58, 62, 67, 71, 76, 80, 85, 94, 100, 101, 102, 104, 107, 110, 111, 113, 116, 120, 122, 125, 131, 134, 139, 140, 143, 148, 152, 157, 161, 166, 170, 175, 184, 193, 200, 201, 203, 206 ]
[ "nonn", "base", "easy" ]
A069391
[ 65535, 4251920575, 264152863210065, 15574913193760098000, 8.841761371277656e+23 ]
[ "nonn" ]
A008614
[ 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 2, 0, 2, 0, 2, 0, 3, 0, 3, 1, 3, 0, 4, 1, 4, 1, 5, 1, 5, 1, 6, 2, 6, 2, 7, 2, 7, 3, 8, 3, 9, 3, 9, 4, 10, 4, 11, 5, 11, 5, 12, 6, 13, 6, 14, 7, 14, 7, 16, 8, 16, 9, 17, 9, 18, 10, 19, 11, 20, 11, 21, 12, 22, 13, 23, 14, 24, 14, 25, 16, 26, 16, 28, 17, 28, 18, 30 ]
[ "nonn", "easy", "nice" ]
A376150
[ 2, 4, 6, 10, 10, 18, 18, 22, 22, 30, 30, 34, 42, 42, 78, 78, 78, 78, 102, 102, 114, 114, 114, 114, 142, 142, 142, 142, 214, 214, 214, 214, 214, 214, 214, 222, 274, 274, 274, 274, 274, 354, 354, 354, 354, 354, 354, 642, 642, 642, 642, 642, 642, 642, 642 ]
[ "nonn", "base" ]
A069112
[ 1, 3, 7, 15, 31, 7, 127, 255, 511, 1023, 2047, 455, 8191, 16383, 32767, 65535, 131071, 29127, 524287, 41943, 42799, 4194303, 8388607, 1864135, 33554431, 67108863, 134217727, 268435455, 536870911, 119304647, 2147483647, 4294967295, 8589934591, 17179869183, 34359738367 ]
[ "nonn" ]
A166164
[ 1, 2, 5, 11, 19, 37, 73, 137, 277, 557, 1069, 2137, 4273, 8369, 16561, 33073, 66161, 132329, 263401, 527081, 1054169, 2108339, 4216691, 8433011, 16865971, 33732019 ]
[ "base", "nonn" ]
A033043
[ 0, 1, 6, 7, 36, 37, 42, 43, 216, 217, 222, 223, 252, 253, 258, 259, 1296, 1297, 1302, 1303, 1332, 1333, 1338, 1339, 1512, 1513, 1518, 1519, 1548, 1549, 1554, 1555, 7776, 7777, 7782, 7783, 7812, 7813, 7818, 7819, 7992, 7993, 7998, 7999, 8028, 8029, 8034 ]
[ "nonn", "base", "easy" ]
A304072
[ 0, 1, 3, 15, 95, 848, 11043, 227978, 7915413, 482871723, 52989880632, 10588770680260, 3880844130502271, 2623179650433476000, 3.285998146525889e+21, 7.663037181052162e+24, 3.340769792011654e+28, 2.7332758470633435e+32 ]
[ "nonn" ]
A074749
[ 0, 0, 0, 0, 1, 0, 1, 2, 4, 1, 1, 3, 1, 1, 4, 8, 1, 1, 1, 5, 4, 1, 1, 9, 1, 1, 1, 2, 1, 8, 1, 2, 1, 1, 1, 16, 1, 1, 1, 6, 1, 1, 1, 5, 1, 1, 1, 13, 1, 1, 4, 1, 1, 8, 1, 13, 1, 1, 1, 1, 1, 1, 1, 40, 1, 3, 1, 1, 4, 1, 1, 2, 1, 1, 4, 1, 1, 1, 1, 4, 1, 1, 1, 5, 1, 1 ]
[ "nonn" ]
A316263
[ 2, 11, 50, 52, 69, 101, 250, 252, 500, 502, 685, 750, 752, 1001, 1250, 3136, 3752, 5000, 5002, 6250, 8752, 10001, 18752, 31250, 46329, 50000, 50002, 68752, 81250, 84168, 100001, 218752, 281250, 297540, 500000, 500002, 718752, 749500, 781250, 1000001, 1638694, 2914261 ]
[ "nonn", "base", "easy" ]
A369665
[ 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1 ]
[ "nonn" ]
A225413
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 6, 12, 6, 0, 0, 0, 0, 10, 30, 30, 10, 0, 0, 0, 0, 15, 60, 91, 60, 15, 0, 0, 0, 0, 21, 105, 215, 215, 105, 21, 0, 0, 0, 0, 28, 168, 435, 590, 435, 168, 28, 0, 0, 0, 0, 36, 252, 791, 1365, 1365, 791, 252, 36, 0, 0 ]
[ "nonn", "easy", "tabl" ]
A221110
[ 0, 7, 178, 3706, 73267, 1424745, 27551817, 531785885, 10257442136, 197807790635, 3814292012327, 73548334004184, 1418168141939766, 27345207646288010, 527271440369708700, 10166866164855157000, 196037839679146000000 ]
[ "nonn" ]
A142553
[ 23, 659, 977, 1613, 1931, 2143, 3203, 3733, 4051, 4157, 4793, 5323, 5641, 6277, 6701, 7019, 7549, 7867, 8291, 8609, 8821, 10093, 10729, 11047, 11471, 11789, 12107, 12637, 12743, 13591, 13697, 14969, 15287, 15817, 15923, 16453, 18043, 18149, 18679, 19421 ]
[ "nonn", "easy" ]
A345066
[ 1, 3, 2, 0, 1, 7, 3, 2, 8, 3, 7, 6, 2, 7, 8, 0, 8, 4, 1, 2, 7, 9, 1, 6, 3, 1, 7, 8, 7, 2, 4, 9, 1, 9, 9, 5, 6, 0, 3, 8, 5, 9, 1, 9, 0, 9, 8, 5, 7, 5, 7, 3, 3, 9, 7, 9, 8, 3, 4, 2, 5, 1, 4, 1, 8, 4, 7, 3, 3, 6, 1, 5, 8, 0, 1, 0, 0, 9 ]
[ "nonn", "cons" ]
A126416
[ 1, 29, 139, 675, 3293, 16111, 78973, 387649, 1904855, 9368155, 46104985, 227035385, 1118543555, 5513100825, 27183073683, 134072923311, 661465385599, 3264246330381, 16112271179843, 79546038380771, 392789214129155 ]
[ "nonn", "base" ]
A090448
[ 9, 96, 500, 1800, 5145, 12544, 27216, 54000, 99825, 174240, 290004, 463736, 716625, 1075200, 1572160, 2247264, 3148281, 4332000, 5865300, 7826280, 10305449, 13406976, 17250000, 21970000, 27720225, 34673184, 43022196, 52983000, 64795425, 78725120, 95065344 ]
[ "nonn", "easy" ]
A151652
[ 0, 400, 233300, 35138736, 3656408776, 333546436832, 28929582376716, 2460253392551584, 207633993378572380, 17472055390759340000, 1.4686146608717884e+21, 1.2339335512029952e+23, 1.0365952122947334e+25, 8.707676512911361e+26, 7.314531872374975e+28 ]
[ "nonn" ]
A158751
[ 1, 44, 1934, 84920, 3724876, 163215184, 7144219336, 312387068576, 13645011946640, 595382332554944, 25951212417378016, 1129945699713533800, 49146684114213175000, 2.1353354042322547e+21, 9.267694399924966e+22 ]
[ "sign" ]
A151492
[ 1, 0, 5, 5, 72, 158, 1503, 4958, 38390, 161170, 1116376, 5433892, 35471944, 189340318, 1199984953, 6790736977, 42491355502, 249738458994, 1557129072666, 9386156958774, 58598281352232, 359465513555718, 2252350134784800, 13992962318626614, 88084177345901540, 552491177540617340 ]
[ "nonn", "walk" ]
A195502
[ 5, 397, 533, 9161, 942061, 1223141, 2156041, 88589101, 131991001, 198901779305, 184105084021037, 385524870425705, 6098542411938841, 30913065236666476, 32236231327801692, 184672513372600900, 467376886819742100, 619813168864541300 ]
[ "nonn" ]
A057761
[ 0, 0, 2, 3, 2, 8, 7, 8, 8, 18, 16, 3, 26, 8, 4, 29, 8, 5, 20, 16, 21, 28, 8, 18, 18, 26, 38, 4, 62, 62, 49, 53, 46, 50, 8, 20, 26, 16, 20, 68, 26, 8, 18, 6, 57, 18, 81, 108, 38, 73, 5, 53, 32, 20, 54, 98, 62, 68, 120, 113, 70, 128, 38, 62, 71, 128, 50, 157, 8 ]
[ "nonn" ]
A301393
[ 1, 120, 56628, 41983200, 38244074820, 39137678949600, 43169977801676880, 50180219346847070000, 6.063319191482747e+22, 7.548111282936758e+25, 9.621494859610791e+28, 1.2502618857580369e+32, 1.6507642052074015e+35 ]
[ "nonn" ]
A086376
[ 1, 1, 1, 1, 2, 1, 2, 2, 2, 2, 3, 2, 4, 3, 3, 4, 6, 5, 6, 7, 8, 8, 10, 11, 16, 16, 18, 21, 28, 29, 34, 41, 50, 56, 66, 80, 100, 114, 131, 158, 196, 225, 263, 320, 388, 455, 532, 644, 786, 921, 1083, 1321, 1600, 1891, 2218, 2711, 3280, 3895, 4588, 5591, 6780, 8051, 9519, 11624 ]
[ "nonn", "easy" ]
A302555
[ 0, 0, 1, 1, 0, 1, 2, 1, 3, 3, 2, 1, 2, 1, 2, 2, 4, 1, 2, 1, 2, 2, 2, 1, 2, 3, 2, 4, 2, 1, 2, 1, 3, 2, 2, 2, 3, 1, 2, 2, 2, 1, 2, 1, 2, 2, 2, 1, 2, 3, 2, 1, 2, 1, 2, 2, 2, 1, 2, 1, 2, 1, 2, 2, 3, 2, 2, 1, 2, 2, 2, 1, 2, 1, 2, 2, 2, 2, 2, 1, 2, 3, 2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 3 ]
[ "nonn" ]
A203082
[ 9, 4, 9, 6, 8, 4, 2, 9, 8, 1, 0, 8, 5, 5, 7, 7, 2, 4, 8, 4, 5, 8, 6, 0, 8, 4, 0, 2, 9, 1, 3, 8, 8, 7, 0, 8, 0, 1, 4, 4, 0, 3, 2, 3, 2, 3, 5, 5, 0, 9, 4, 9, 9, 4, 1, 0, 0, 6, 7, 4, 5, 7, 9, 7, 3, 0, 0, 6, 0, 9, 0, 4, 7, 7, 2, 4, 1, 1, 2, 6, 6, 5, 2, 4, 9, 4, 0, 1, 6, 1, 1, 8, 3, 6, 6, 3, 6, 1, 4 ]
[ "nonn", "cons" ]
A155140
[ 293, 347, 571, 829, 1021, 1229, 1327, 1373, 1471, 1621, 2111, 2129, 2371, 2531, 2579, 2879, 2887, 3181, 3271, 3929, 4621, 4801, 4909, 5279, 5333, 5521, 5639, 5683, 5827, 6133, 6421, 6521, 6709, 6863, 6871, 7079, 7321, 7529, 7591, 8179, 8221, 8429, 8963 ]
[ "nonn" ]
A010374
[ 1, 2, 5, 12, 29, 72, 182, 464, 1190, 3070, 7958, 20706 ]
[ "nonn", "more" ]
A227684
[ 0, 1, 4, 3, 5, 9, 2, 13, 9, 7, 12, 5, 13, 8, 11, 14, 17, 29, 53, 3, 34, 25, 19, 16, 13, 23, 33, 10, 17, 24, 31, 52, 7, 39, 25, 18, 29, 51, 11, 37, 26, 15, 34, 19, 42, 23, 27, 31, 39, 47, 59, 83, 135, 4, 161, 97, 69, 53, 45, 41, 33, 29, 54, 25, 46, 21, 59, 38 ]
[ "nonn", "frac", "easy" ]
A319534
[ 1, 1, 1, 2, 2, 1, 4, 4, 3, 2, 8, 2, 10, 4, 2, 8, 14, 3, 16, 4, 4, 8, 20, 4, 10, 10, 9, 8, 26, 2, 28, 16, 8, 14, 8, 6, 34, 16, 10, 8, 38, 4, 40, 16, 6, 20, 44, 8, 28, 10, 14, 20, 50, 9, 16, 16, 16, 26, 56, 4, 58, 28, 12, 32, 20, 8, 64, 28, 20, 8, 68, 12, 70, 34, 10, 32, 32, 10, 76, 16 ]
[ "nonn", "mult" ]
A238519
[ 588, 9612, 345744, 10332060, 321566028, 9918146448, 306521859084, 9468890997276, 292536258921504, 9037550907769116, 279205473387683680, 8625745262429841000, 266482953705659800000, 8.232698585182917e+21 ]
[ "nonn" ]
A091229
[ 2, 1, 0, 0, 3, 2, 1, 0, 3, 2, 1, 0, 1, 0, 5, 4, 3, 2, 1, 0, 5, 4, 3, 2, 1, 0, 5, 4, 3, 2, 1, 0, 5, 4, 3, 2, 1, 0, 3, 2, 1, 0, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 3, 2, 1, 0, 1, 0, 5, 4, 3, 2, 1, 0, 5, 4, 3, 2, 1, 0, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 3, 2, 1, 0, 5, 4, 3, 2, 1, 0, 5, 4 ]
[ "nonn" ]
A136603
[ 176, 191, 194, 196, 209, 213, 215, 217, 223, 237, 253, 259, 263, 272, 274, 275, 289, 290, 292, 293, 295, 305, 307, 308, 353, 361, 367, 379, 380, 381, 382, 386, 392, 399, 401, 405, 415, 416, 418, 419, 427, 443, 461, 463, 467, 475, 477, 479, 481, 490, 491 ]
[ "nonn", "fini", "full", "base" ]
A089603
[ 1, 2, 8, 40, 226, 1380, 8880, 59280, 406416, 2842400, 20186752, 145119616, 1053575336, 7711639760, 56834201280, 421327859520, 3139306406850, 23494847031300, 176526280319120, 1330929290036560, 10065855468854980, 76341682531733950, 580460500453098100 ]
[ "nonn" ]
A226754
[ 14, 65, 119, 377, 629, 779, 1769, 3827, 4559, 5777, 9179, 10877, 16109, 19109, 25877, 32639, 37949, 39059, 49769, 56279, 60377, 75077, 78209, 79799, 100127, 103739, 105569, 145529, 154289, 161027, 189419, 228149, 244649, 250277, 288419, 294527, 316409, 335789 ]
[ "nonn" ]
A023036
[ 2, 4, 10, 22, 34, 48, 60, 78, 84, 90, 114, 144, 120, 168, 180, 234, 246, 288, 240, 210, 324, 300, 360, 474, 330, 528, 576, 390, 462, 480, 420, 570, 510, 672, 792, 756, 876, 714, 798, 690, 1038, 630, 1008, 930, 780, 960, 870, 924, 900, 1134, 1434, 840, 990, 1302, 1080 ]
[ "nonn", "look" ]
A080636
[ 1, 4, 28, 334, 7906, 288676, 18863944 ]
[ "hard", "nonn" ]
A074574
[ 3, 20, 138, 980, 7122, 52700, 395418, 2998820, 22932642, 176524460, 1365982698, 10616089460, 82804904562, 647865527420, 5082373099578, 39962451176900, 314860495170882, 2485193267125580, 19646626804658056, 155533156747557150 ]
[ "easy", "nonn" ]
A323058
[ 6, 12, 12, 30, 30, 18, 36, 36, 90, 90, 24, 60, 48, 120, 72, 180 ]
[ "nonn", "fini", "more" ]
A133999
[ 1, 1, 3, 5, 10, 19, 36, 69, 131, 251, 478, 913, 1741, 3322, 6338, 12092, 23070, 44014, 83972, 160206, 305650, 583135, 1112536, 2122555, 4049524, 7725897, 14739878, 28121524, 53651742, 102359650, 195287193, 372579307, 710826647, 1356152937, 2587340805 ]
[ "nonn", "easy" ]
A133425
[ 1, 7, 11, 19, 31, 43, 163, 283, 403, 1111, 1123, 1243, 1303, 1549, 1963, 4123, 9643, 10003, 11539, 21431, 76963, 97031, 468109, 1351963, 4553323, 4778471, 5163139, 6563551, 7618843, 45214123, 65704243, 161738803, 202903723 ]
[ "nonn" ]
A116442
[ 1, 7, 11, 13, 49, 77, 91, 137, 511, 959, 9091, 69307, 909091, 5882353, 10989011, 12987013, 28340081, 33492823, 48951049, 52631579, 76923077, 90909091, 693069307, 2766798419, 4347826087, 5785123967, 9090909091, 13698630137, 51094890511, 95890410959, 909090909091 ]
[ "base", "nonn" ]
A217273
[ 0, 1, 1, 2, 9, 2, 4, 64, 64, 4, 8, 441, 1472, 441, 8, 16, 3025, 33856, 33856, 3025, 16, 32, 20736, 772800, 2572816, 772800, 20736, 32, 64, 142129, 17640000, 194881600, 194881600, 17640000, 142129, 64, 128, 974169, 402494400, 14755689729 ]
[ "nonn", "tabl" ]
A340629
[ 1, 0, 2, 1, 8, 7, 8, 0, 6, 0, 4, 1, 8, 7, 5, 6, 6, 7, 5, 7, 4, 4, 4, 4, 8, 9, 1, 4, 6, 0, 0, 2, 7, 0, 8, 2, 6, 1, 7, 0, 4, 6, 0, 7, 3, 7, 7, 3, 2, 5, 1, 6, 4, 0, 6, 6, 6, 0, 1, 1, 9, 4, 4, 3, 7, 7, 0, 9, 0, 4, 7, 6, 7, 0, 5, 6, 6, 0, 0, 8, 6, 0, 6, 4, 5, 5, 1, 4, 9, 9, 9, 5, 0, 0, 5, 9, 8, 4, 1, 4, 9, 9, 9, 0, 6, 2, 3, 7, 6, 0, 1, 0, 5, 2, 3, 3, 3, 2, 0, 3, 5 ]
[ "nonn", "cons" ]
A081763
[ 2, 5, 17, 41, 101, 257, 401, 641, 881, 1361, 1601, 2441, 3089, 4001, 5441, 5501, 6101, 12101, 13121, 13421, 14081, 14741, 15101, 16001, 18041, 20201, 25301, 25601, 29921, 30881, 32801, 35201, 39041, 39161, 40961, 49409, 53681, 54401, 54449 ]
[ "nonn" ]
A338107
[ 4, 0, 9, 4, 4, 7, 9, 2, 4, 8, 9, 0, 7, 6, 0, 4, 0, 5, 7, 5, 3, 4, 1, 9, 0, 1, 2, 6, 9, 0, 2, 5, 3, 8, 5, 0, 3, 9, 5, 0, 6, 8, 3, 6, 6, 3, 8, 8, 3, 3, 8, 6, 3, 3, 3, 7, 0, 9, 7, 0, 1, 8, 2, 8, 0, 1, 7, 2, 8, 5, 3, 9, 7, 7, 8, 8, 1, 2, 5, 4, 8, 5, 1, 1, 5, 0, 7, 0, 6, 4 ]
[ "nonn", "cons" ]
A263994
[ 21, 1041, 1051, 1061, 1071, 1081, 1091, 107209, 108429, 109803, 10715097, 10854691, 10904639, 10904731, 10904731, 10904731, 10904731, 10983831, 11002311, 11002311, 11002311, 1078112970, 1078122970 ]
[ "nonn", "base" ]
A332847
[ 1, 4, 1, 1, 1, 3, 3, 10, 17, 8, 83, 92, 525, 1888, 20, 6804, 11390 ]
[ "nonn", "more" ]
A222765
[ 3, 11, 66, 465, 3431, 25772, 196185, 1508369, 11685222, 91068653, 713197411, 5607868082, 44244333098, 350085423285, 2776997948510, 22076166728109, 175834747565068, 1402892278684566, 11209941707509700, 89696333927946100 ]
[ "nonn" ]
A377300
[ 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 4, 3, 1, 6, 1, 3, 4, 3, 1, 6, 1, 3, 4, 3, 1, 6, 1, 3, 4, 3, 1, 6, 5, 3, 4, 3, 5, 6, 1, 3, 8, 3, 1, 6, 5, 3, 4, 3, 5, 6, 1, 3, 8, 3, 1, 6, 5, 3, 4, 3, 5, 11, 1, 3, 8, 3, 6, 6, 5, 3, 4, 8, 5, 6, 1, 3, 13 ]
[ "nonn" ]
A201646
[ 3, 5, 7, 9, 11, 15, 21, 135, 10395 ]
[ "nonn", "fini", "full" ]
A021222
[ 0, 0, 4, 5, 8, 7, 1, 5, 5, 9, 6, 3, 3, 0, 2, 7, 5, 2, 2, 9, 3, 5, 7, 7, 9, 8, 1, 6, 5, 1, 3, 7, 6, 1, 4, 6, 7, 8, 8, 9, 9, 0, 8, 2, 5, 6, 8, 8, 0, 7, 3, 3, 9, 4, 4, 9, 5, 4, 1, 2, 8, 4, 4, 0, 3, 6, 6, 9, 7, 2, 4, 7, 7, 0, 6, 4, 2, 2, 0, 1, 8, 3, 4, 8, 6, 2, 3, 8, 5, 3, 2, 1, 1, 0, 0, 9, 1, 7, 4 ]
[ "nonn", "cons" ]
A151354
[ 1, 0, 1, 2, 4, 13, 36, 111, 343, 1134, 3721, 12590, 43387, 150947, 533077, 1901596, 6850513, 24882483, 91098331, 335794573, 1245510662, 4646388411, 17423439595, 65649699956, 248452918085, 944115597548, 3601177462757, 13784420392760, 52936226379611, 203912726542780, 787731869576241, 3051254511699711 ]
[ "nonn", "walk" ]
A366729
[ 1, 1, 1, -4, -36, 14, 3100, 22112, -374640, -9520320, 9674808, 4085208192, 55207595520, -1640647901088, -69445046214336, 103240707929088, 71686341699216380, 1439635203885275100, -60449514895261440000, -3.60884004403688e+21 ]
[ "sign" ]
A244470
[ 1, 1, 2, 4, 6, 9, 17, 25, 40, 72, 106, 169, 305, 449, 716, 1292, 1902, 3033, 5473, 8057, 12848, 23184, 34130, 54425, 98209, 144577, 230548, 416020, 612438, 976617, 1762289, 2594329, 4137016, 7465176, 10989754, 17524681, 31622993, 46553345 ]
[ "nonn", "easy" ]
A377673
[ 3, 12, 72, 588, 5652, 117504, 1895712, 46503600, 839411118, 25440307200, 474527311344, 22404560101168, 489294047662728, 30902868417576960, 1096805935992340700, 38000593697802060000, 1.3189651780692932e+21, 9.059648574346964e+22, 3.5783173126625116e+24 ]
[ "nonn" ]
A065825
[ 1, 2, 4, 5, 9, 11, 13, 14, 20, 24, 26, 30, 32, 36, 40, 41, 51, 54, 58, 63, 71, 74, 82, 84, 92, 95, 100, 104, 111, 114, 121, 122, 137, 145, 150, 157, 163, 165, 169, 174, 194, 204, 209 ]
[ "nonn", "hard", "nice", "more" ]
A057891
[ 11, 13, 19, 22, 23, 25, 26, 29, 35, 37, 38, 39, 41, 43, 44, 46, 47, 49, 50, 52, 53, 55, 57, 58, 59, 61, 67, 69, 70, 71, 74, 75, 76, 77, 78, 79, 81, 82, 83, 86, 87, 88, 89, 91, 92, 94, 95, 97, 98, 100, 101, 103, 104, 105, 106, 109, 110, 111, 113, 114, 115, 116, 117, 118 ]
[ "easy", "nonn", "base" ]
A384416
[ 1, 2851130928467, 261097470970089, 335429755623563, 468090732667921, 287888716607107, 194022960814969, 298923961822523, 84062462462241, 191517259514547, 165777802909449, 436661297384683, 996040654470961, 669370619746787, 188023750085529, 201468430854043, 677208350742081 ]
[ "nonn", "easy" ]
A191773
[ 3, 8, 15, 17, 25, 27, 38, 40, 43, 53, 55, 57, 62, 75, 77, 80, 86, 89, 101, 102, 105, 110, 117, 120, 134, 135, 140, 145, 154, 157, 158, 167, 175, 176, 181, 183, 188, 201, 204, 205, 215, 224, 225, 232, 235, 239, 242, 251, 256, 260, 261, 263, 274, 283, 286, 287 ]
[ "nonn" ]
A221357
[ 0, 5, 39, 292, 2088, 14799, 104532, 737498, 5200799, 36668393, 258507703, 1822366939, 12846614967, 90560097250, 638385027225, 4500153384191, 31722787454665, 223622276075576, 1576371711149454, 11112253094012636 ]
[ "nonn" ]
A283784
[ 0, 0, 0, 0, 0, 0, 0, 5, 1, 0, 0, 14, 60, 6, 0, 0, 113, 625, 745, 49, 0, 0, 564, 5432, 10910, 7298, 272, 0, 0, 2410, 43793, 169426, 174447, 62303, 1376, 0, 0, 10648, 336614, 2343698, 4588054, 2510456, 496884, 6620, 0, 0, 45070, 2456405, 30330979 ]
[ "nonn", "tabl" ]