id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A190085
[ 1, 3, 6, 8, 11, 13, 16, 18, 20, 22, 25, 27, 30, 32, 35, 37, 39, 41, 44, 46, 49, 51, 54, 56, 57, 60, 62, 65, 67, 70, 72, 75, 76, 79, 81, 84, 86, 89, 91, 94, 95, 98, 100, 103, 105, 108, 110, 113, 115, 116, 119, 121, 124, 126, 129, 131, 134, 135, 138, 140, 143, 145, 148, 150, 153, 154, 157, 159, 162, 164, 167, 169, 171, 173, 175, 178, 180 ]
[ "nonn" ]
A274233
[ 1, 1, 3, 7, 14, 27, 48, 80, 127, 192, 280, 397, 547, 736, 972, 1261, 1610, 2028, 2523, 3104, 3781, 4563, 5461, 6487, 7651, 8965, 10443, 12097, 13940, 15987, 18252, 20750, 23497, 26508, 29800, 33391, 37297, 41536, 46128, 51091, 56444, 62208, 68403, 75050 ]
[ "nonn" ]
A195204
[ 2, 2, 4, 6, 12, 8, 26, 60, 48, 16, 150, 380, 360, 160, 32, 1082, 2940, 3120, 1680, 480, 64, 9366, 26908, 31080, 19040, 6720, 1344, 128, 94586, 284508, 351344, 236880, 96320, 24192, 3584, 256 ]
[ "nonn", "easy", "tabl" ]
A124768
[ 0, 1, 1, 2, 1, 2, 1, 3, 1, 2, 2, 3, 1, 2, 2, 4, 1, 2, 2, 3, 1, 3, 2, 4, 1, 2, 2, 3, 2, 3, 3, 5, 1, 2, 2, 3, 2, 3, 2, 4, 1, 2, 3, 4, 2, 3, 3, 5, 1, 2, 2, 3, 1, 3, 2, 4, 2, 3, 3, 4, 3, 4, 4, 6, 1, 2, 2, 3, 2, 3, 2, 4, 1, 3, 3, 4, 2, 3, 3, 5, 1, 2, 2, 3, 2, 4, 3, 5, 2, 3, 3, 4, 3, 4, 4, 6, 1, 2, 2, 3, 2, 3, 2, 4, 1 ]
[ "easy", "nonn", "tabf" ]
A107584
[ 1, 0, 8, 52, 240, 1004, 4072, 16356, 65504, 262108, 1048536, 4194260, 16777168, 67108812, 268435400, 1073741764, 4294967232, 17179869116, 68719476664, 274877906868, 1099511627696, 4398046511020, 17592186044328, 70368744177572, 281474976710560, 1125899906842524 ]
[ "nonn", "easy" ]
A084272
[ 0, 0, 0, 1, 65, 5042, 605545, 120653315, 40885736829, 23907349095479, 24391928745798216 ]
[ "nonn", "more" ]
A129479
[ 1, 2, 1, 2, 1, 1, 3, 1, 1, 1, 4, 0, 0, 1, 1, 4, 3, 1, 0, 1, 1, 6, 0, 0, 0, 0, 1, 1, 6, 2, 1, 1, 0, 0, 1, 1, 6, 2, 2, 0, 0, 0, 0, 1, 1, 8, 4, 0, 1, 1, 0, 0, 0, 1, 1, 10, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 6, 4, 4, 2, 1, 1, 0, 0, 0, 0, 1, 1, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1 ]
[ "nonn", "tabl" ]
A223565
[ 16, 256, 3136, 34496, 379456, 4174016, 45914176, 505055936, 5555615296, 61111768256, 672229450816, 7394523958976, 81339763548736, 894737399036096, 9842111389397056, 108263225283367620, 1190895478117043700 ]
[ "nonn" ]
A215618
[ 1, 2, 3, 6, 9, 11, 12, 13, 14, 15, 18, 21, 22, 23, 31, 39, 41, 45, 48, 51, 58, 59, 67, 68, 76, 77, 85, 86, 94, 95, 101, 102, 103, 104, 105, 111, 112, 113, 121, 122, 131, 139, 148, 157, 158, 166, 175, 176, 184, 185, 193, 194, 201, 202, 203, 211, 212, 221, 229 ]
[ "nonn", "base" ]
A218214
[ 1, 5, 18, 48, 117, 304, 823, 2224, 6113, 16974, 48614, 139349 ]
[ "nonn", "base" ]
A189665
[ 1, 3, 4, 5, 7, 9, 10, 12, 13, 15, 16, 17, 19, 21, 22, 23, 25, 27, 28, 30, 31, 32, 34, 36, 37, 39, 40, 41, 43, 45, 46, 48, 49, 51, 52, 53, 55, 57, 58, 59, 61, 63, 64, 66, 67, 69, 70, 71, 73, 75, 76, 77, 79, 81, 82, 84, 85, 86, 88, 90, 91, 93, 94, 96, 97, 98, 100, 102, 103, 104, 106, 108, 109, 111, 112, 113, 115, 117, 118, 120, 121, 123, 124, 125, 127, 129, 130, 131, 133, 135 ]
[ "nonn" ]
A340898
[ 104, 1064, 8480, 62480, 446744, 3155384, 22172240, 155459360, 1088976584, 7625119304, 53382684800, 373699342640, 2615957045624, 18311884260824, 128183744650160, 897287877024320, 6281020132589864, 43967155908387944, 307770136299492350 ]
[ "nonn", "easy" ]
A356747
[ 1, 2, 141, 1035, 2388, 3973, 5157, 14160, 37023, 68861, 99889, 116106, 117939, 627400, 1561944, 1626983, 5901444, 10054091, 12260525, 32619981, 49775099 ]
[ "nonn", "more" ]
A350205
[ 1, 35, 140, 175, 225, 290, 374, 400, 430, 455, 539, 540, 630, 655, 690, 595, 680, 760, 795, 715, 770, 865, 830, 945, 875, 980, 935, 960, 1080, 990, 970, 1075, 995, 1160, 1165, 1110, 1050, 1170, 1135, 1220, 1190, 1350, 1305, 1285, 1389, 1310, 1320, 1360, 1355, 1340 ]
[ "nonn" ]
A305523
[ 1, 2, 2, 4, 8, 4, 8, 32, 32, 8, 16, 128, 219, 128, 16, 32, 512, 1482, 1482, 512, 32, 64, 2048, 10082, 16480, 10082, 2048, 64, 128, 8192, 68603, 186237, 186237, 68603, 8192, 128, 256, 32768, 466858, 2102155, 3536750, 2102155, 466858, 32768, 256, 512, 131072 ]
[ "nonn", "tabl" ]
A355301
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 101, 102, 103, 104, 105, 106, 107, 108, 109, 120, 121, 130, 131, 132, 140, 141, 142, 143, 150 ]
[ "nonn", "base" ]
A108484
[ 1, 1, 4, 19, 55, 220, 793, 2845, 10480, 37963, 138259, 503608, 1831969, 6669865, 24276892, 88362451, 321640831, 1170726484, 4261339801, 15510894949, 56458080328, 205502135851, 748007984827, 2722677076336, 9910284168961 ]
[ "easy", "nonn" ]
A345038
[ 2, 7, 3, 4, 31, 4, 0, 13, 85, 5, 16, 31, 31, 181, 6, 7, 7, 19, 61, 331, 7, 22, 43, 316, 841, 106, 547, 8, 121, 0, 361, 25, 22801, 169, 841, 9, 0, 91, 10, 0, 1891, 91, 253, 1225, 10, 11, 31, 31, 61, 31, 61, 2101, 361, 1711, 11, 67, 111, 166, 8581, 1156, 397, 6931, 179479609, 496, 2311, 12 ]
[ "nonn", "tabl" ]
A226239
[ 1, 3, 6, 10, 15, 22, 33, 44, 59, 76, 101, 125, 158 ]
[ "nonn", "hard", "more" ]
A209908
[ 5008, 295448, 16664508, 948609890, 53888573444, 3063300023090, 174099838817590, 9895452271443782, 562424112112339260, 31966511730858090000, 1.8168772202892938e+21, 1.0326573548700502e+23 ]
[ "nonn" ]
A085098
[ 1, 1, 5, 43, 876, 49513, 13005235 ]
[ "hard", "more", "nonn" ]
A339458
[ 1, 1, 1, 63, 7, 3, 2, 2, 1, 1, 1, 250, 2, 1, 2, 1, 2, 3, 1, 4, 1, 1, 3, 1, 1, 2, 1, 1, 1, 2, 1, 2, 2, 1, 1, 6, 7, 1, 1, 1, 6, 1, 1, 9, 9, 2, 1, 6, 2, 5, 1, 25, 1, 1, 1, 2, 18, 1, 3, 5, 1, 1, 5, 1, 3, 1, 1, 4, 1, 1, 3, 2, 2, 3, 40, 2, 3, 8, 2, 2, 25, 1, 5, 2, 1, 1, 3, 2, 2, 1, 10, 1, 1, 2, 1, 2, 1, 1, 2, 1, 3, 2, 420, 2, 2, 1 ]
[ "nonn", "cofr" ]
A285424
[ 1, 5, 19, 75, 323, 1512, 7630, 41245, 237573, 1451359, 9365361, 63604596, 453206838, 3378581609, 26285755211, 212953670251, 1792896572319, 15658150745252, 141619251656826, 1324477898999161, 12791059496663292, 127395689514237280, 1307010496324272000 ]
[ "nonn" ]
A261466
[ 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 13, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 29, 31, 32, 33, 34, 35 ]
[ "nonn", "more", "base" ]
A008003
[ 1, 4, 9, 17, 29, 45, 65, 87, 113, 143, 176, 214, 253, 297, 345, 395, 451, 507, 568, 634, 700, 772, 848, 928, 1010, 1093, 1184, 1278, 1373, 1472, 1575, 1684, 1793, 1905, 2025, 2146, 2268, 2394, 2528, 2665, 2800, 2940, 3086, 3237, 3388, 3542, 3704, 3867, 4032 ]
[ "nonn" ]
A039511
[ 1, 7, 11, 23, 29, 5, 187, 25, 35, 13, 55, 125, 145, 91, 143, 65, 247, 175, 269, 233, 745, 517, 485, 431, 1547, 455, 1645, 715, 943, 295, 1991, 893, 355, 1201, 2509, 1235, 1685, 1967, 1345, 1729, 781, 2585, 2717, 3055 ]
[ "nonn", "more" ]
A275672
[ 0, 1, 3, 4, 6, 7, 9 ]
[ "nonn", "hard", "more" ]
A340602
[ 1, 2, 5, 6, 8, 9, 11, 14, 17, 20, 21, 23, 24, 26, 30, 31, 32, 35, 36, 38, 39, 41, 44, 45, 47, 49, 50, 54, 56, 57, 58, 59, 65, 66, 67, 68, 73, 74, 75, 80, 81, 83, 84, 86, 87, 91, 92, 95, 96, 97, 99, 102, 103, 104, 106, 109, 110, 111, 120, 122, 124, 125, 126, 127 ]
[ "nonn" ]
A167427
[ 1, 1, 1, 10, 10, 16, 16, 28, 28, 40, 40, 58, 58, 70, 70, 100, 100, 106, 106, 136, 136, 148, 148, 178, 178, 190, 190, 196, 196, 226, 226, 238, 238, 268, 268, 280, 280, 310, 310, 346, 346, 418, 418, 430, 430, 460, 460, 520, 520, 568, 568, 598, 598, 616, 616, 640 ]
[ "nonn" ]
A171569
[ 15, 21, 45, 55, 91, 105, 153, 231, 253, 351, 435, 465, 595, 703, 741, 861, 1035, 1225, 1431, 1485, 1711, 1891, 1953, 2145, 2701, 3003, 3081, 3321, 3741, 4005, 4095, 4465, 4753, 5565, 5671, 6555, 7021, 7875, 8515, 9045, 10011, 10153, 10731, 11175, 11781 ]
[ "nonn" ]
A118383
[ 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 2, 1, 2, 1, 2, 1, 2, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 3, 1, 2, 2, 1, 2, 2, 1, 2, 1, 2, 4, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 1, 3, 2, 2, 3, 1, 2, 3, 1, 1, 2, 3, 1, 1, 2, 3, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 4, 1, 4, 2, 1, 2, 3, 3, 1, 2, 3 ]
[ "nonn", "tabf" ]
A249043
[ 42, 48, 60, 66, 78, 93, 105, 111, 114, 120, 123, 129, 141, 147, 159, 174, 186, 201, 204, 210, 213, 219, 231, 237, 249, 264, 276, 291, 303, 309, 321, 327, 339, 354, 366, 381, 393, 408, 420, 426, 438, 453, 465, 480, 492, 507, 519, 534, 546, 561, 573, 588, 609, 624, 636 ]
[ "easy", "nonn", "base" ]
A389359
[ 1, 1, 2, 1, 4, 3, 1, 4, 11, 4, 1, 4, 13, 28, 5, 1, 4, 13, 38, 71, 6, 1, 4, 13, 40, 107, 184, 7, 1, 4, 13, 40, 119, 298, 489, 8, 1, 4, 13, 40, 121, 348, 831, 1328, 9, 1, 4, 13, 40, 121, 362, 1009, 2330, 3667, 10, 1, 4, 13, 40, 121, 364, 1075, 2916, 6575, 10252, 11 ]
[ "nonn", "easy", "tabl" ]
A100114
[ 1, 2, 5, 7, 3, 13, 10, 19, 23, 11, 6, 30, 41, 14, 17, 47, 26, 57, 15, 61, 21, 29, 34, 66, 39, 22, 71, 33, 87, 46, 94, 31, 102, 35, 42, 55, 110, 115, 62, 37, 43, 123, 51, 38, 139, 151, 65, 77, 53, 158, 70, 170, 82, 86, 58, 178, 78, 59, 93, 83, 190, 195, 69, 206, 74, 101, 213 ]
[ "nonn" ]
A218200
[ 3, 15, 59, 233, 929, 3697, 14719, 58599, 233291, 928769, 3697573, 14720617, 58605079, 233315983, 928867415, 3697966433, 14722182653, 58611311377, 233340796147, 928966198975, 3698359708575, 14723748344241, 58617544637937 ]
[ "nonn" ]
A116684
[ 0, 0, 2, 2, 4, 6, 14, 18, 22, 34, 50, 66, 88, 118, 154, 202, 248, 320, 412, 512, 636, 794, 972, 1194, 1454, 1766, 2134, 2576, 3092, 3696, 4426, 5254, 6214, 7364, 8672, 10196, 11986, 14014, 16360, 19084, 22190, 25746, 29860, 34516, 39846, 45952, 52848 ]
[ "nonn" ]
A223861
[ 296, 14751, 273959, 3017129, 23738426, 145947740, 740441932, 3217594840, 12305144319, 42270004211, 132509660564, 383868226325, 1038081470947, 2642374422155, 6374651949942, 14659617536977, 32293516183091 ]
[ "nonn" ]
A092122
[ 6, 154, 310, 370, 2829, 3526, 15320, 20462, 1164789, 4336106, 5782196, 145582972 ]
[ "nonn", "base", "more" ]
A083868
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 1, 3, 1, 3, 2, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 3, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 3, 0, 0, 1, 2, 0, 1, 0, 2, 0, 1, 0, 5, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 3, 5, 1, 1, 1, 0, 3, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 3, 0, 1, 0, 2, 4, 1, 0, 3, 0, 2, 0, 0, 1, 0, 0, 1 ]
[ "nonn", "base" ]
A115806
[ 0, 11, 110, 1100, 11000, 110000, 1100000, 11000000, 11000011, 110000000, 110000011, 110000110, 1100000000, 1100000011, 1100000110, 1100001100, 11000000000, 11000000011, 11000000110, 11000001100, 11000011000 ]
[ "nonn", "base" ]
A371474
[ 1, 2184, 6552, 12870, 13860, 19530, 23100, 33660, 40755, 47880, 51051, 58995, 81396, 88920, 101010, 113553, 114114, 114855, 121800, 125970, 136136, 141372, 142290, 142324, 145860, 150535, 154583, 157080, 158928, 164424, 171080, 180180, 193732, 195104, 197340, 214890, 225680, 229908, 230230, 230724, 238602, 243542, 249964, 253080, 257712, 267960, 284867, 291720, 294525, 297414, 300696 ]
[ "nonn" ]
A113785
[ 2, 3, 13, 175, 30651, 939484151, 882630469980252200, 7.790365465375608e+35, 6.06897940841169e+71 ]
[ "nonn" ]
A319105
[ 1, 1, 3, 9, 51, 255, 1845, 12915, 129465, 1165185, 13338675, 146725425, 2023126875, 26300649375, 405966485925, 6089497288875, 110674075136625, 1881459277322625, 36921598987147870, 701510380755809700, 15370603498046673000, 322782673458980100000, 7.608990209632029e+21, 1.7500677482153668e+23 ]
[ "nonn" ]
A265741
[ 2, 3, 5, 8, 11, 19, 38, 87, 106, 193, 386, 1264, 1457, 2721, 5442, 8163, 23225, 25946, 49171, 98342, 147513, 517656, 566827, 1084483, 2168966, 3253449, 13580623, 14665106, 28245729, 56491458, 84737187, 410105312, 438351041, 848456353, 1696912706, 2545369059 ]
[ "nonn" ]
A043214
[ 62, 78, 143, 159, 224, 240, 305, 321, 386, 402, 467, 483, 548, 558, 629, 645, 702, 726, 791, 807, 872, 888, 953, 969, 1034, 1050, 1115, 1131, 1196, 1212, 1277, 1287, 1358, 1374, 1431, 1455, 1520, 1536, 1601, 1617, 1682, 1698 ]
[ "nonn", "base" ]
A004049
[ 1, 1, 4, 4, 8, 24, 32, 40, 120, 296 ]
[ "dead" ]
A284496
[ 2, 19, 29, 61, 23, 487, 821, 2557, 2749, 4201, 25747, 61843, 211643, 614881, 238673, 272059, 270131, 405719, 8239969, 42037283, 44922991, 44166589, 67719697, 61277761, 253442899, 2321783617, 4471131827, 4640384471, 40782386369, 4055086219, 25135138387, 63558323051 ]
[ "nonn", "base" ]
A309832
[ 3, 5, 7, 14, 23, 41, 74 ]
[ "hard", "more", "nonn" ]
A341569
[ 1, 63, 1782, 29768, 324729, 2412828, 12353726, 43222410, 101978514, 169305668, 242060472, 255399480, -312214577, -1325964249, -1359793170, -4343321920, -6825676572, 5096933424, -6418882378, 3032329410, 38788733898, 13636370492, -10673080506, 132884783280, -67901221287 ]
[ "sign" ]
A341725
[ 1, 3, 1, 13, 6, 1, 81, 39, 9, 1, 673, 324, 78, 12, 1, 6993, 3365, 810, 130, 15, 1, 87193, 41958, 10095, 1620, 195, 18, 1, 1268361, 610351, 146853, 23555, 2835, 273, 21, 1, 21086113, 10146888, 2441404, 391608, 47110, 4536, 364, 24, 1 ]
[ "nonn", "tabl" ]
A224732
[ 1, 2, 20, 2704, 6008032, 203263062688, 103724721990326530, 8.011854002382091e+23, 9.408890096294896e+31, 1.6869106559622082e+41, 4.6343145869723556e+51 ]
[ "nonn" ]
A165126
[ 0, 16, 2256, 31596672, 34960, 26531651360, 14560721001508880, 8.724454714749974e+21, 108401672318914270, 711223428647788000000, 16513410921312, 278474880, 4.7549662632066523e+24, 183696 ]
[ "base", "nonn" ]
A290000
[ 1, 1, 4, 40, 1120, 91840, 22408960, 16358540800, 35792487270400, 234870301468364800, 4.623187014103293e+21, 2.7299919318279943e+26, 4.836126107394655e+31, 2.5701205307660306e+37, 4.097604845093021e+43 ]
[ "nonn" ]
A351132
[ 0, 1, 0, 1, 10, 76, 530, 3701, 27810, 237151, 2316350, 25135126, 292106400, 3559029501, 45211131460, 600619791201, 8384107777030, 123237338584576, 1904128564485610, 30789744821412400, 518479182191232960, 9057086806410633000, 163745788914416580000 ]
[ "nonn" ]
A070919
[ 1, 7, 7, 19, 7, 49, 7, 37, 19, 49, 7, 133, 7, 49, 49, 61, 7, 133, 7, 133, 49, 49, 7, 259, 19, 49, 37, 133, 7, 343, 7, 91, 49, 49, 49, 361, 7, 49, 49, 259, 7, 343, 7, 133, 133, 49, 7, 427, 19, 133, 49, 133, 7, 259, 49, 259, 49, 49, 7, 931, 7, 49, 133, 127, 49, 343, 7, 133 ]
[ "mult", "easy", "nonn" ]
A223056
[ 2, 10, 114, 1473, 19360, 255045, 3361024, 44294253, 583749160, 7693175205, 101387647984, 1336178514333, 17609374162360, 232072328089365, 3058459941439744, 40307163247443220, 531204410117077950 ]
[ "nonn" ]
A253259
[ 1, 1, 17, 93, 465, 1746, 5741, 16238, 41650, 97407, 212412, 434767, 845366, 1569344, 2801696, 4828140, 8069053, 13114785, 20796651, 32242621, 48986553, 73052382, 107114645, 154621230, 220021932, 308940815, 428492880, 587520315, 797019526, 1070458096 ]
[ "nonn", "easy" ]
A105857
[ 0, 1, 3, 4, 5, 6, 9, 12, 17, 21, 30, 42, 47, 51, 61, 74, 79, 102, 124, 136, 148, 195, 206, 218, 252, 279, 300, 314, 323, 346, 416, 475, 503, 532, 574, 589, 596, 711, 731, 744, 778, 785, 818, 850, 862, 873, 929, 950, 1015, 1088, 1117, 1141, 1152, 1230, 1245 ]
[ "nonn" ]
A287646
[ 945, 1575, 2205, 3465, 4095, 5355, 5775, 5985, 6435, 6825, 7245, 8085, 8415, 8925, 9135, 9555, 9765, 11655, 12705, 12915, 13545, 14805, 15015, 16695, 18585, 19215, 19635, 21105, 21945, 22365, 22995, 23205, 24885, 25935, 26145, 26565, 28035, 30555, 31395, 31815, 32445, 33495 ]
[ "nonn", "tabf" ]
A011913
[ 0, 0, 0, 0, 0, 1, 3, 6, 10, 16, 23, 31, 42, 55, 70, 88, 108, 131, 157, 187, 220, 257, 298, 342, 391, 445, 503, 566, 634, 707, 785, 870, 960, 1056, 1158, 1266, 1381, 1503, 1632, 1768, 1912, 2063, 2221, 2388, 2563, 2746, 2938, 3138, 3347, 3565, 3793, 4030, 4277, 4534, 4800, 5077, 5365, 5663, 5972, 6292, 6623, 6965, 7320, 7686, 8064, 8454, 8856, 9271, 9699, 10140, 10594 ]
[ "nonn" ]
A199104
[ 1, 1, 3, 9, 28, 88, 284, 931, 3109, 10532, 36162, 125546, 440201, 1556519, 5544715, 19879791, 71685522, 259809731, 945913555, 3457947627, 12687782600, 46709518473, 172484216742, 638712762962, 2371241532557, 8824154454401, 32909438791706, 122984173008460 ]
[ "nonn" ]
A249271
[ 3, 1, 4, 7, 7, 5, 5, 1, 4, 8, 5, 0, 2, 4, 0, 0, 3, 1, 2, 5, 1, 6, 6, 7, 4, 9, 5, 5, 8, 7, 9, 7, 6, 9, 2, 0, 9, 2, 7, 2, 9, 3, 7, 7, 4, 8, 7, 9, 3, 3, 9, 8, 8, 6, 4, 0, 5, 9, 6, 4, 7, 0, 2, 0, 6, 6, 4, 7, 8, 1, 1, 8, 0, 0, 9, 1, 6, 7, 2, 4, 6, 7, 7, 9, 9, 7, 9, 4, 5, 2, 0, 9, 4, 8, 8, 2, 8, 7, 9, 7, 8, 6, 9, 1 ]
[ "nonn", "cons" ]
A148240
[ 1, 1, 2, 4, 13, 36, 110, 367, 1243, 4266, 14979, 54636, 199011, 734030, 2756839, 10450319, 39836796, 153059496, 593960500, 2316916479, 9077686257, 35778018898, 141845770750, 564450779427, 2253100544758, 9036652220948, 36388658308498, 146848107101360, 594357667427186, 2414872472739607 ]
[ "nonn", "walk" ]
A097984
[ 5, 12, 21, 32, 45, 60, 76, 94, 114, 135, 159, 184, 210, 239, 269, 301, 334, 369, 406, 444, 485, 526, 570, 615, 662, 710, 760, 812, 866, 921, 977, 1036, 1096, 1158, 1221, 1286, 1353, 1421, 1491, 1562, 1636, 1710, 1787, 1865, 1945 ]
[ "nonn" ]
A184191
[ 60, 561, 5074, 46514, 425802, 3901193, 35741495, 327471410, 3000373034, 27490276713, 251873944520, 2307743577770, 21144231048766, 193729722925587, 1775009260945535, 16263162106133544, 149007922275551460 ]
[ "nonn" ]
A068663
[ 235, 711, 1317, 192, 32, 9, 31374, 14, 34, 75, 35, 9, 6, 16, 77, 1737, 9, 8, 38, 9, 9, 710, 110, 310, 710, 9, 1131, 27, 1311, 371, 39, 14, 9, 15, 115, 716, 316, 717, 3179, 18, 119, 119, 319, 7199, 21, 12, 232, 27, 22, 9, 2332, 39, 24, 12, 51, 25, 72, 6, 32, 6, 9, 27, 12 ]
[ "base", "nonn", "look" ]
A317820
[ 3, 160, 356, 2726, 8556, 47374, 179111, 878802, 3604079, 16657873, 71153802, 320111818, 1390832362, 6188854830, 27092156914, 119925512941, 526911251983, 2326470845881, 10239421120031, 45158496956400, 198899068210330 ]
[ "nonn" ]
A300859
[ 1, 6, 10, 14, 18, 22, 26, 30, 36, 38, 42, 50, 54, 60, 66, 78, 84, 90, 102, 114, 120, 126, 132, 138, 150, 168, 174, 180, 186, 198, 204, 210, 234, 240, 246, 252, 258, 264, 270, 294, 300, 318, 330, 360, 378, 390, 420, 450, 462, 480, 504, 510, 540, 546, 570, 600 ]
[ "nonn" ]
A234897
[ 1676576, 19965444, 208211944, 3064189932, 41268054688, 700047980248, 10593797616896, 196773939067288, 3144319026581672, 62377683142994190 ]
[ "nonn" ]
A259210
[ 15, 567645, 21362755051, 803965923024825, 30256453525753510000, 1.1386713711842418e+24, 4.28527583528913e+28, 1.6127207067140398e+33, 6.069313103362341e+37, 2.284125291706663e+42 ]
[ "nonn", "easy" ]
A388180
[ 5, 2, 9, 1, 7, 5, 0, 0, 9, 1, 8, 8, 1, 1, 7, 4, 4, 1, 4, 1, 0, 4, 2, 6, 4, 3, 7, 1, 1, 6, 5, 6, 4, 8, 6, 1, 9, 6, 6, 1, 4, 5, 0, 1, 3, 2, 8, 5, 6, 9, 5, 3, 8, 4, 8, 3, 3, 1, 8, 7, 3, 3, 8, 8, 3, 8, 0, 5, 9, 5, 7, 8, 4, 8, 3, 0, 1, 4, 2, 7, 6, 3, 4, 0, 4, 0, 7 ]
[ "nonn", "cons" ]
A336767
[ 1, -1, 0, -1, 1, -1, 1, -1, 1, -1, 2, -1, 2, -2, 2, -3, 2, -2, 3, -3, 3, -4, 4, -4, 4, -5, 5, -6, 6, -6, 7, -7, 7, -8, 9, -9, 10, -10, 11, -12, 13, -13, 14, -15, 15, -17, 18, -18, 20, -21, 22, -23, 24, -25, 27, -29, 30, -32, 33, -35, 37, -39, 40, -43, 45, -47, 50 ]
[ "sign" ]
A136847
[ 0, 1, 6, 10, 60, 100, 600, 1000, 6000, 10000, 10301, 60000, 100000, 103010, 103131, 600000, 1000000, 1003001, 1030100, 1031310, 6000000, 10000000, 10030010, 10301000, 10313100, 60000000, 100000000, 100030001, 100300100, 103010000, 103131000, 600000000, 1000000000, 1000300010, 1003001000, 1030100000, 1031310000, 6000000000 ]
[ "base", "nonn" ]
A229159
[ 0, 6, 6, 42, 66, 24, 36, 114, 966, 60, 930, 114, 126, 1290, 4230, 90, 1770, 330, 2814, 14910, 216, 4740, 1494, 420, 420, 510, 6180, 4494, 840, 570, 8382, 11790, 630, 9174, 210, 4530, 840, 2934, 45090, 3276, 22554, 1260, 24066, 336, 1386, 16716, 26586, 52182 ]
[ "nonn" ]
A211971
[ 1, 1, 2, 4, 6, 10, 16, 24, 36, 54, 78, 112, 160, 224, 312, 432, 590, 802, 1084, 1452, 1936, 2568, 3384, 4440, 5800, 7538, 9758, 12584, 16160, 20680, 26376, 33520, 42468, 53644, 67552, 84832, 106246, 132706, 165344, 205512, 254824, 315256, 389168, 479368 ]
[ "nonn" ]
A329041
[ 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 2, 3, 2, 1, 1, 1, 3, 3, 3, 3, 1, 1, 1, 2, 1, 6, 3, 6, 1, 2, 1, 1, 1, 1, 1, 3, 3, 1, 1, 1, 1, 1, 2, 1, 2, 1, 6, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 2, 3, 2, 1, 2, 3, 2, 3, 2, 1, 1, 1, 3, 3, 3, 3, 1, 1, 3, 3, 3, 3, 1, 1 ]
[ "nonn", "tabl" ]
A272079
[ 1, 2, 3, 6, 10, 26, 30, 86, 154, 350, 514, 1542, 1930, 5882, 9086, 16242, 30098, 93474, 116174, 368318, 547218, 1050842, 1813030, 5703414, 7256850, 19610282, 33509306, 77004470, 122302250, 393465466, 399187282, 1302847262, 2380228834, 4947581482, 8604927394 ]
[ "nonn" ]
A383425
[ 2, 5, 8, 13, 16, 20, 23, 24, 26, 31, 34, 37, 41, 42, 45, 49, 52, 55, 60, 63, 66, 70, 71, 73, 78, 81, 84, 89, 92, 96, 99, 100, 102, 107, 110, 113, 117, 118, 121, 125, 128, 131, 136, 139, 143, 146, 147, 149, 154, 157, 160, 164, 165, 168, 172, 175, 176, 178 ]
[ "nonn" ]
A045509
[ 1, 120, 1307674368000, 121645100408832000, 1.1240007277776077e+21, 1.5511210043330986e+25, 1.0888869450418352e+28, 1.0333147966386145e+40, 1.3763753091226346e+43 ]
[ "nonn", "base" ]
A210615
[ 0, 0, 0, 4, 0, 6, 0, 4, 9, 10, 0, 4, 0, 14, 15, 4, 0, 6, 0, 4, 21, 22, 0, 4, 25, 26, 9, 4, 0, 6, 0, 4, 33, 34, 35, 4, 0, 38, 39, 4, 0, 6, 0, 4, 9, 46, 0, 4, 49, 10, 51, 4, 0, 6, 55, 4, 57, 58, 0, 4, 0, 62, 9, 4, 65, 6, 0, 4, 69, 10, 0, 4, 0, 74, 15, 4, 77, 6 ]
[ "nonn", "easy" ]
A130784
[ 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3 ]
[ "nonn", "easy" ]
A006674
[ 1, 1, 2, 6, 18, 68, 282, 1309, 6437, 33264, 177260, 968349 ]
[ "nonn" ]
A243882
[ 1, 21, 124, 636, 2749, 11265, 44028, 168673, 636526, 2385703, 8903294, 33177968, 123602040, 460821006, 1720240295, 6432225711, 24095079682, 90435264009, 340097165156, 1281506663877, 4838093967400, 18299480354681, 69340086808691, 263195643048634 ]
[ "nonn" ]
A258188
[ 21, 42, 63, 14, 35, 56, 7, 28, 49, 210, 511, 112, 413, 714, 315, 616, 217, 518, 119, 420, 721, 322, 623, 224, 525, 126, 427, 728, 329, 630, 231, 532, 133, 434, 735, 336, 637, 238, 539, 140, 441, 742, 343, 644, 245, 546, 147, 448, 749, 350, 651, 252, 553, 154 ]
[ "nonn", "base" ]
A129711
[ 1, 2, 2, 1, 3, 2, 5, 2, 1, 8, 3, 2, 13, 5, 2, 1, 21, 8, 3, 2, 34, 13, 5, 2, 1, 55, 21, 8, 3, 2, 89, 34, 13, 5, 2, 1, 144, 55, 21, 8, 3, 2, 233, 89, 34, 13, 5, 2, 1, 377, 144, 55, 21, 8, 3, 2, 610, 233, 89, 34, 13, 5, 2, 1, 987, 377, 144, 55, 21, 8, 3, 2, 1597, 610, 233, 89, 34, 13, 5, 2, 1 ]
[ "nonn", "tabf" ]
A340345
[ 2, 32, 432, 182, 5182, 30182, 123932, 1061432, 280182, 15905182, 74498932, 367467682, 1344030182, 23316686432, 11109655182, 255250280182, 1170777623932, 7274293248932, 22533082311432, 175120972936432, 365855836217682, 7041576051061432 ]
[ "base", "nonn" ]
A380138
[ 1, 2, 16, 16, 52, 52, 52, 88, 9232, 9232, 9232, 9232, 9232, 9232, 9232, 9232, 9232, 9232, 250504, 190996, 190996, 250504, 250504, 250504, 481624, 975400, 975400, 497176, 11003416, 11003416, 106358020, 18976192, 41163712, 106358020, 21933016, 104674192, 593279152 ]
[ "nonn" ]
A351523
[ 4, 6, 12, 30, 60, 180, 630, 1260, 5040, 27720, 166320, 1081080, 8648640, 73513440, 698377680, 8031343320, 64250746560, 803134332000, 11243880648000, 163036269396000, 2527062175638000, 30324746107656000, 561007802991636000, 11500659961328538000 ]
[ "nonn" ]
A264787
[ 1, 1, 7, 2966, 1310397193, 579823814813639200, 4.774643412368835e+29, 1.3407671443216697e+45, 2.1516767919669857e+64 ]
[ "nonn" ]
A188184
[ 32, 94, 227, 480, 920, 1636, 2739, 4370, 6698, 9926, 14293, 20076, 27594, 37212, 49341, 64444, 83036, 105690, 133037, 165772, 204654, 250510, 304239, 366814, 439284, 522780, 618513, 727782, 851974, 992568, 1151137, 1329352, 1528984, 1751908, 2000105, 2275666 ]
[ "nonn" ]
A327511
[ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 55, 1705, 39325, 752752, 12662650, 193754990, 2758334150, 37112163803, 477297033785, 5917585057033, 71187151690655, 835145968875284, 9593573078823360, 108264887496309970, 1203738001326003000, 13226402531839795000 ]
[ "nonn" ]
A379834
[ 999, 2558, 3366, 4444, 12489, 13377, 22444, 112668, 113388, 114455, 122289, 123336, 222244, 666666, 1113399, 1113468, 1114449, 1122455, 1133334, 1377789, 1555888, 2222224, 2346669, 3334689, 3344499, 4444448, 11112778, 11114466, 11122368, 11122449, 11222255, 11223333, 11467779, 12366666, 13336668 ]
[ "nonn", "base" ]
A381996
[ 1, 1, 1, 2, 3, 4, 6, 9, 13, 18, 25, 34, 47 ]
[ "nonn", "more" ]
A114342
[ 0, 0, 0, 35, 577, 5909, 16331, 2053379, 42374099, 987654203, 2334368201, 736867783013, 23136292864661, 789018236128979, 1936265501684027, 1147797409030816300, 48471109094902550000, 2.1783478519195314e+21, 5.46347208353238e+21, 5.228356786703601e+24 ]
[ "nonn", "base" ]
A124408
[ 1, 3, 18, 105, 135, 153, 165, 168, 300, 363, 585, 618, 648, 765, 828, 1110, 1140, 1278, 1518, 1530, 1533, 2130, 2223, 2400, 2475, 2613, 2790, 2925, 3075, 3180, 3345, 3420, 3483, 3810, 3840, 3843, 3933, 4008, 4083, 4095, 4143, 4260, 4263, 4323, 4470, 4545 ]
[ "nonn" ]
A215191
[ 0, 18, 88, 276, 664, 1366, 2512, 4264, 6800, 10330, 15080, 21308, 29288, 39326, 51744, 66896, 85152, 106914, 132600, 162660, 197560, 237798, 283888, 336376, 395824, 462826, 537992, 621964, 715400, 818990, 933440, 1059488, 1197888, 1349426 ]
[ "nonn" ]
A314640
[ 1, 5, 9, 12, 18, 23, 30, 31, 37, 39, 49, 51, 57, 56, 66, 68, 79, 75, 84, 84, 97, 96, 104, 100, 115, 113, 127, 118, 131, 130, 146, 141, 150, 143, 164, 159, 176, 161, 177, 175, 195, 187, 197, 186, 212, 204, 225, 205, 224, 220 ]
[ "nonn" ]
A141923
[ 19, 157, 433, 479, 571, 617, 709, 1031, 1123, 1307, 1399, 1583, 1721, 1951, 1997, 2089, 2273, 2411, 2503, 2549, 2687, 2917, 2963, 3331, 3469, 3607, 3929, 4021, 4159, 4297, 4481, 4987, 5171, 5309, 5861, 5953, 6091, 6229, 6367, 6551, 6689, 6781, 6827, 7057 ]
[ "nonn", "easy" ]
A042630
[ 29, 407, 436, 843, 12238, 710647, 9961296, 10671943, 20633239, 299537289, 17393796001, 243812681303, 261206477304, 505019158607, 7331474697802, 425730551631123, 5967559197533524, 6393289749164647, 12360848946698172, 179445175002939040 ]
[ "nonn", "frac", "easy" ]
A179659
[ 7, 8, 7, 7, 1, 1, 2, 8, 4, 1, 1, 7, 8, 5, 2, 7, 5, 1, 2, 7, 1, 4, 5, 1, 2, 8, 4, 1, 2, 8, 5, 2, 7, 4, 5, 1, 8, 7, 8, 4, 5, 4, 1, 8, 4, 5, 2, 4, 1, 7, 8, 5, 7, 8, 1, 8, 4, 2, 7, 4, 5, 2, 4, 5, 1, 2, 5, 7, 8, 1, 2, 8, 2, 7, 7, 4, 2, 8, 5, 1, 7, 5, 2, 8, 4, 1, 7, 8, 4, 7, 5, 1, 2, 5, 8, 5, 1, 4, 5, 2, 4, 2, 4, 2, 4, 1 ]
[ "nonn", "base" ]