id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A090654
[ 8, 8, 9, 8, 9, 7, 9, 4, 8, 5, 5, 6, 6, 3, 5, 6, 1, 9, 6, 3, 9, 4, 5, 6, 8, 1, 4, 9, 4, 1, 1, 7, 8, 2, 7, 8, 3, 9, 3, 1, 8, 9, 4, 9, 6, 1, 3, 1, 3, 3, 4, 0, 2, 5, 6, 8, 6, 5, 3, 8, 5, 1, 3, 4, 5, 0, 1, 9, 2, 0, 7, 5, 4, 9, 1, 4, 6, 3, 0, 0, 5, 3, 0, 7, 9, 7, 1, 8, 8, 6, 6, 2, 0, 9, 2, 8, 0, 4, 6, 9, 6 ]
[ "easy", "nonn", "cons" ]
A246243
[ 1, 1, 258, 1718985, 115245958660, 46377854607812504, 8.078560917726253e+22, 4.86005483266097e+29, 8.558639841332634e+36, 3.887915775422349e+44, 4.1231194444310045e+52 ]
[ "nonn" ]
A109081
[ 1, 1, 3, 10, 37, 146, 602, 2563, 11181, 49720, 224540, 1027038, 4748042, 22150519, 104146733, 493012682, 2347796965, 11239697816, 54061835288, 261130778516, 1266125122956, 6160158505040, 30065608532008, 147161532388934 ]
[ "nonn" ]
A200722
[ 6, 8, 11, 13, 15, 16, 21, 27, 29, 31, 35, 37, 41, 43, 47, 53, 55, 59, 61, 65, 67, 71, 73, 77, 79, 81, 85, 91, 95, 115, 119, 125, 127, 131, 133, 137, 139, 143, 149, 151, 157, 161, 163, 167, 173, 179, 181, 187, 191, 193, 197, 199, 203, 209, 211, 217, 221, 223 ]
[ "nonn" ]
A380557
[ 1, 1, 2, 10, 35, 146, 589, 2521, 10880, 48130, 215490, 978131, 4483493, 20740309, 96667511, 453596099, 2140879339, 10157274086, 48414142443, 231726319442, 1113290775079, 5366873616498, 25952658569610, 125856499026093, 611930422986515, 2982444057333882, 14568259180879990, 71307949455547120 ]
[ "nonn" ]
A148095
[ 1, 1, 2, 4, 10, 25, 75, 222, 696, 2203, 7371, 24787, 86008, 301117, 1077079, 3884641, 14241326, 52666805, 196980204, 742074660, 2821601164, 10806383704, 41688390675, 161765527299, 631511352222, 2479059137090, 9782815644799, 38784291290400, 154442952504946, 617627277390419, 2479845218105827 ]
[ "nonn", "walk" ]
A159163
[ 1, 37, 896, 18306, 345632, 6295973, 113258813, 2040120763, 37124627883 ]
[ "nonn" ]
A096540
[ 1, 1, 1, 1, 1, 2, 1, 1, 4, 7, 5, 1, 1, 5, 12, 14, 7, 1, 1, 7, 26, 55, 66, 42, 12, 1, 1, 8, 35, 91, 143, 132, 66, 15, 1, 1, 10, 57, 204, 476, 728, 715, 429, 143, 22, 1, 1, 13, 100, 506, 1771, 4389, 7752, 9690, 8398, 4862, 1768, 364, 35, 1, 1, 14, 117, 650, 2530, 7084, 14421 ]
[ "nonn", "tabf" ]
A298993
[ 1, -2, -2, -36, 54, -476, 556, -6088, 35878, -156844, 444164, -1734648, 11948604, -35313048, 156354328, -864527760, 4733447686, -12692853452, 54065039380, -226098757912, 1278838329812, -5257771138376, 19455009120232, -76455773381360, 453306681446748 ]
[ "sign" ]
A075235
[ 2, 3, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 47, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 149, 151, 157, 163, 167, 191, 193, 211, 223, 227, 229, 233, 239, 251, 257, 269, 271, 277, 281, 293, 317, 331, 337, 347, 349, 353, 359, 367 ]
[ "base", "easy", "nonn" ]
A139627
[ 1, 1, 2, 4, 12, 37, 162, 738, 3928, 22436, 138716, 911529, 6339770, 46336941, 354453138, 2826472249, 23423053967, 201179882629, 1786791372857, 16377359709120, 154644691266520, 1502016160624186, 14985219655673208, 153377735526218020, 1608741204839374300 ]
[ "nonn" ]
A060556
[ 1, 1, 2, 1, 6, 3, 1, 12, 16, 4, 1, 20, 50, 32, 5, 1, 30, 120, 140, 55, 6, 1, 42, 245, 448, 316, 86, 7, 1, 56, 448, 1176, 1284, 622, 126, 8, 1, 72, 756, 2688, 4170, 3102, 1113, 176, 9, 1, 90, 1200, 5544, 11550, 12122 ]
[ "nonn", "easy", "tabl" ]
A004621
[ 1, 3, 9, 17, 27, 31, 51, 59, 73, 81, 93, 101, 153, 157, 177, 199, 219, 227, 241, 243, 269, 279, 283, 289, 303, 311, 353, 367, 409, 459, 471, 479, 521, 527, 531, 563, 577, 597, 619, 647, 657, 661, 681, 723, 729, 773, 787, 807, 829, 837, 849, 857, 867, 909, 933 ]
[ "nonn" ]
A239656
[ 12, 24, 4, 8, 24, 3, 5, 4, 16, 8, 16, 11, 5, 4, 8, 4, 4, 5, 27, 8, 1, 7, 8, 9, 3, 8, 7, 9, 3, 1, 4, 20, 8, 4, 23, 9, 3, 9, 4, 4, 11, 14, 3, 4, 4, 8, 8, 3, 1, 4, 1, 3, 4, 13, 10, 5, 4, 9, 11, 4, 8, 12, 12, 4, 21, 6, 13, 8, 8, 5, 3, 4, 4, 3, 1, 5, 3, 9, 11, 4 ]
[ "nonn" ]
A190654
[ 149, 151, 179, 181, 227, 229, 239, 241, 347, 349, 431, 433, 569, 571, 599, 601, 641, 643, 821, 823, 1019, 1021, 1049, 1051, 1061, 1063, 1427, 1429, 1487, 1489, 1607, 1609, 1787, 1789, 1997, 1999, 2081, 2083, 2129, 2131, 2237, 2239, 2267, 2269, 2657, 2659, 2687, 2689, 2711, 2713, 2789, 2791, 2999, 3001, 3167, 3169, 3257, 3259, 3299, 3301, 3359, 3361, 3527, 3529, 3539, 3541 ]
[ "nonn" ]
A275929
[ 4, 5, 8, 17, 54, 247, 1448, 10089, 80650, 725771, 7257612, 79833613, 958003214, 12454041615, 174356582416, 2615348736017, 41845579776018, 711374856192019, 12804747411456020, 243290200817664030, 4865804016353280000, 102181884343418880000, 2.2480014555552154e+21 ]
[ "nonn" ]
A066855
[ 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 3, 2, 1, 1, 2, 4, 4, 2, 1, 1, 1, 5, 5, 4, 2, 1, 1, 3, 7, 8, 6, 4, 2, 1, 1, 2, 8, 11, 9, 6, 4, 2, 1, 1, 2, 11, 16, 14, 10, 6, 4, 2, 1, 1, 1, 11, 20, 20, 15, 10, 6, 4, 2, 1, 1, 4, 15, 28, 29, 23, 16, 10, 6, 4, 2, 1, 1, 1, 16, 33, 39, 33, 24, 16, 10, 6, 4, 2, 1, 1, 2, 19 ]
[ "nonn", "tabl" ]
A332198
[ 0, 2, 5, 10, 8, 15, 18, 31, 48, 67, 90, 119, 126, 163, 204, 247, 262, 315, 374, 424, 438, 509, 582, 661, 744, 802, 899, 971, 1074, 1181, 1290, 1360, 1487, 1618, 1755, 1894, 2043, 2194, 2351, 2514, 2681, 2854, 3033, 3214, 3405, 3598, 3795, 3971, 4182, 4364, 4591, 4820, 5053, 5129, 5147, 5398, 5655, 5918, 6187 ]
[ "nonn" ]
A272050
[ 1, 8, 40, 180, 788, 3372, 14048, 57208, 231212, 929924, 3725868, 1492500, 59718716, 238943360, 955894516, 3823815736 ]
[ "nonn", "more" ]
A051853
[ 1, 1, 5, 1, 11, 7, 17, 13, 23, 19, 29, 1, 71, 127, 197, 43, 113, 169, 29, 121, 191, 37, 107, 163, 23, 79, 149, 31, 101, 157, 17, 73, 143, 199, 59, 151, 11, 67, 137, 193, 53, 109, 179, 61, 131, 187, 47, 103, 173, 19, 89, 181, 41, 97, 167, 13, 83, 139, 209, 1, 1541 ]
[ "nonn", "tabf" ]
A172483
[ 2, 1, 1, 2, 5, 4, 4, 2, 6, 4, 7, 7, 5, 9, 12, 13, 14, 14, 9, 12, 10, 11, 13, 20, 16, 15, 16, 15, 23, 19, 22, 26, 27, 28, 26, 22, 20, 27, 25, 27, 28, 26, 35, 29, 29, 29, 30, 45, 30, 36, 22, 30, 39, 39, 40, 44, 44, 43, 34, 38, 36, 48, 54, 43, 38, 43, 49, 45, 47, 53, 38, 51, 51, 62, 56 ]
[ "nonn" ]
A134916
[ 1, 2, 3, 4, 15 ]
[ "more", "nonn" ]
A241178
[ 14, 16, 18, 20, 22, 26, 28, 30, 34, 38, 40, 42, 44, 46, 50, 52, 56, 58, 62, 64, 66, 68, 70, 74, 78, 80, 82, 86, 88, 90, 92, 94, 100, 101, 103, 105, 107, 110, 114, 116, 118, 120, 122, 124, 136, 142, 148, 152, 154, 160, 162, 176, 182, 184, 192, 196, 198, 203, 205, 207, 210, 212, 214, 222, 226, 228, 230, 232, 234, 236 ]
[ "nonn", "base" ]
A121094
[ 0, 1, 2, 2, 8, 9, 26, 28, 88, 89, 292, 297, 994, 1001, 3418, 3430, 11920, 11934, 41944, 41990, 149184, 149221, 534756, 534888, 1931394, 1931540, 7019976, 7020391, 25662396, 25662825, 94285650, 94287120, 347992480, 347993868 ]
[ "nonn" ]
A328009
[ 1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1, 2, 4, 71, 142, 284, 1, 2, 4, 8, 16, 32, 37, 74, 148, 296, 592, 1184, 1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255 ]
[ "nonn", "tabf" ]
A261473
[ 0, 2, 10, 40, 116, 296, 699, 1557, 3325, 6893, 13964, 27789, 54536, 105854, 203645, 388970, 738596, 1395718, 2626914, 4927664, 9217604, 17201570, 32036763, 59564873, 110586325, 205056292, 379823379, 702897160, 1299744979, 2401747773, 4435467036, 8187063102 ]
[ "nonn", "easy" ]
A174743
[ 1, 3, 7, 15, 31, 63, 131, 279, 621, 1469, 3766, 10694, 34728, 133582, 636719, 3955451, 33664265, 407703531, 7147333784, 180948983492, 6537204164708, 332740721681412, 23627093701822296, 2324803141466748000, 315610211340647500000, 5.895387623460315e+22 ]
[ "nonn" ]
A287373
[ 1, 8, 12, 15, 20, 23, 28, 29, 36, 39, 44, 45, 52, 55, 57, 64, 68, 71, 76, 77, 84, 87, 89, 96, 100, 103, 108, 109, 113, 120, 124, 127, 132, 135, 140, 141, 148, 151, 153, 160, 164, 167, 172, 173, 177, 184, 188, 191, 196, 199, 204, 205, 212, 215, 217, 224, 225 ]
[ "nonn", "easy" ]
A308169
[ 3, 7, 10, 11, 16, 19, 22, 23, 25, 27, 31, 34, 43, 46, 49, 58, 59, 71, 79, 82, 83, 94, 100, 103, 106, 118, 121, 131, 139, 142, 163, 166, 178, 191, 199, 202, 208, 211, 214, 223, 226, 251, 262, 271, 274, 298, 311, 331, 334, 346, 358, 359, 379, 382, 383, 394, 419, 443, 454, 463, 466, 478, 479, 484 ]
[ "nonn" ]
A099191
[ 73, 2, 3, 0, 5, 0, 7, 0, 0, 0, 11, 0, 211, 0, 0, 0, 53, 0, 613, 0, 0, 0, 0, 0, 43, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 23, 0, 241, 0, 0, 0, 0, 0, 13, 0, 0, 0, 251, 0, 0, 0, 0, 0, 653, 0, 97, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 271, 0, 0, 0, 0, 0, 673, 0, 0, 0, 281, 0, 67, 0, 0, 0, 683, 0, 0, 0, 0 ]
[ "base", "nonn" ]
A036340
[ 467, 941, 959941, 3396199, 4858943, 5696101, 6475643, 7566133, 7584253, 7592261, 9305281, 9463877, 11430491, 13442243, 14374837, 15941473, 17414497, 17691997, 19584223, 21421849, 22310159, 22808459, 27601163, 29198881 ]
[ "nonn", "base" ]
A285196
[ 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0 ]
[ "nonn" ]
A319130
[ 1, 1, 3, 5, 10, 16, 31, 47, 81, 125, 203, 305, 482, 710, 1082, 1582, 2348, 3380, 4933, 7007, 10048, 14136, 19972, 27796, 38822, 53510, 73903, 101033, 138165, 187351, 254055, 341923, 459956, 614904, 821162, 1090740, 1447109, 1910665, 2519325, 3308019, 4336956 ]
[ "nonn" ]
A291534
[ 1, 1, 0, -3, -7, -4, 24, 85, 99, -215, -1196, -2100, 1420, 17512, 42160, 9477, -252073, -815965, -736456, 3365813, 15248793, 22861712, -37036000, -273657748, -575046252, 180950476, 4658415696, 13042693000, 6717278152, -73400374512, -275797704864, -321427878811, 1012425395135 ]
[ "sign" ]
A225882
[ 20, 90, 336, 650, 5440, 7371, 13000, 14762, 28730, 30240, 83810, 87296, 130682, 147420, 218400, 280370, 295240, 406875, 708122, 924482, 1397760, 1875530, 2613640, 3536000, 4881890, 4960032, 5884851, 7856640, 7893290, 8137500 ]
[ "nonn" ]
A096069
[ 0, 13, 0, 127, 2311, 313, 4217, 419, 21023, 929, 13331, 30637, 5741, 16943, 10247, 15053, 3659, 21961, 13267, 12071, 4673, 22279, 4483, 43789, 25997, 414101, 24103, 188107, 132109, 93113, 373127, 816131, 264137, 798139, 693149, 400151, 582157 ]
[ "base", "nonn" ]
A167777
[ 2, 4, 6, 12, 18, 30, 42, 60, 72, 102, 108, 138, 150, 180, 192, 198, 228, 240, 270, 282, 312, 348, 420, 432, 462, 522, 570, 600, 618, 642, 660, 810, 822, 828, 858, 882, 1020, 1032, 1050, 1062, 1092, 1152, 1230, 1278, 1290, 1302, 1320, 1428, 1452, 1482, 1488 ]
[ "nonn" ]
A162943
[ 1, 2, 4, 4, 8, 4, 8, 8, 8, 4, 8, 8, 16, 8, 4, 4, 8, 8, 16, 16, 8, 4, 8, 8, 8, 4, 4, 4, 8, 16, 32, 32, 16, 8, 4, 4, 8, 4, 2, 2, 4, 8, 16, 16, 16, 8, 16, 16, 16, 16, 8, 8, 16, 16, 8, 8, 4, 2, 4, 4, 8, 4, 4, 4, 2, 4, 8, 8, 4, 8, 16, 16, 32, 16, 16, 16, 8 ]
[ "nonn" ]
A247123
[ 2, 4, 6, 8, 11, 22, 33, 44, 55, 66, 77, 88, 99, 22, 33, 44, 55, 66, 77, 88, 99, 121, 33, 44, 55, 66, 77, 88, 99, 121, 44, 55, 66, 77, 88, 99, 121, 55, 66, 77, 88, 99, 121, 66, 77, 88, 99, 121, 77 ]
[ "nonn", "base" ]
A079070
[ 0, 0, 1, 0, 1, 2, 2, 0, 1, 2, 3, 3, 4, 5, 3, 0, 1, 2, 4, 3, 5, 6, 6, 4, 7, 8, 7, 9, 8, 9, 4, 0, 1, 2, 5, 3, 6, 7, 10, 4, 8, 9, 11, 10, 12, 13, 10, 5, 11, 12, 14, 13, 15, 16, 11, 14, 17, 18, 12, 19, 13, 14, 5, 0, 1, 2, 6, 3, 7, 8, 15, 4, 9, 10, 16, 11, 17, 18, 20, 5, 12, 13, 19, 14, 20, 21, 21, 15 ]
[ "nonn", "base", "look" ]
A289187
[ 1, 1, 2, 1, 3, 1, 4, 3, 5, 2, 6, 2, 7, 5, 8, 3, 9, 3, 10, 7, 11, 4, 12, 5, 13, 9, 14, 5, 15, 5, 16, 11, 17, 7, 18, 6, 19, 13, 20, 7, 21, 7, 22, 15, 23, 8, 24, 8, 25, 17, 26, 9, 27, 11, 28, 19, 29, 10, 30, 10, 31, 21, 32, 13, 33, 11, 34, 23, 35 ]
[ "nonn" ]
A044577
[ 9, 79, 137, 201, 265, 329, 393, 457, 521, 639, 649, 713, 777, 841, 905, 969, 1033, 1103, 1161, 1225, 1289, 1353, 1417, 1481, 1545, 1615, 1673, 1737, 1801, 1865, 1929, 1993, 2057, 2127, 2185, 2249, 2313, 2377, 2441, 2505 ]
[ "nonn", "base" ]
A308564
[ 1, 2, 6, 22, 90, 404, 1974, 10366, 57864, 341690, 2134022, 14104624, 98498972, 723664482, 5561589508, 44473028634, 368602225688, 3159852790392, 27997141025686, 256410638073082, 2428063270357748, 23774001479212110, 240580239864321600, 2513553050765310500 ]
[ "nonn" ]
A094518
[ 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 2, 0, 1, 0, 0, 0, 5, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 6, 0, 0, 0, 2, 0, 3, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 3, 0, 1, 0, 0, 0, 12, 0, 0, 0, 0, 0, 2, 0, 0, 0, 1, 0, 11, 0, 0, 0, 0, 0, 2, 0, 3, 0, 0, 0, 9, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 9, 0, 0, 0, 2, 0, 2 ]
[ "nonn" ]
A362871
[ 1, 6, 3, 2, 1, 7, 4, 2, 1, 1, 6, 3, 2, 1, 7, 4, 2, 1, 1, 6, 3, 2, 1, 7, 4, 2, 1, 1, 6, 3, 2, 1, 7, 4, 2, 1, 1, 6, 3, 2, 1, 8, 4, 2, 1, 1, 6, 3, 2, 1, 8, 4, 2, 1, 1, 6, 3, 2, 1, 8, 4, 2, 1, 1, 6, 3, 2, 1, 8, 4, 2, 1, 1, 6, 3, 2, 1, 8, 4, 2, 1, 1, 6, 3, 2, 1, 8, 5, 3, 1, 1, 6, 3, 2, 1, 8, 5, 3, 1, 1, 6 ]
[ "nonn", "base", "easy" ]
A359600
[ 1, 3, 3, 9, 3, 15, 3, 27, 9, 15, 3, 45, 3, 15, 15, 81, 3, 45, 3, 45, 15, 15, 3, 135, 9, 15, 27, 45, 3, 105, 3, 243, 15, 15, 15, 225, 3, 15, 15, 135, 3, 105, 3, 45, 45, 15, 3, 405, 9, 45, 15, 45, 3, 135, 15, 135, 15, 15, 3, 315, 3, 15, 45, 729, 15, 105, 3, 45, 15, 105, 3, 675, 3, 15, 45, 45, 15, 105, 3, 405, 81 ]
[ "nonn" ]
A330987
[ 1, 3, 9, 21, 17, 55, 25, 105, 33, 171, 41, 253, 49, 351, 57, 465, 65, 595, 73, 741, 81, 903, 89, 1081, 97, 1275, 105, 1485, 113, 1711, 121, 1953, 129, 2211, 137, 2485, 145, 2775, 153, 3081, 161, 3403, 169, 3741, 177, 4095, 185, 4465, 193, 4851, 201, 5253, 209 ]
[ "nonn", "easy" ]
A311020
[ 1, 4, 8, 11, 13, 15, 17, 20, 25, 31, 35, 38, 41, 45, 48, 49, 51, 55, 60, 64, 68, 72, 74, 75, 77, 81, 86, 91, 95, 98, 101, 105, 108, 109, 111, 115, 120, 124, 128, 132, 134, 135, 137, 141, 146, 151, 155, 158, 161, 165 ]
[ "nonn" ]
A274470
[ 4, 564, 1284, 2308, 3601, 7044, 7057, 7513, 8628, 9168, 9412, 10561, 10852, 11257, 12436, 13897, 14113, 14388, 14425, 16144, 16692, 16753, 17124, 17257, 17737, 18064, 18433, 18708, 19408, 19428, 20628, 20688, 20752, 20788, 20977, 21073, 23668, 25153, 27193, 28212, 28228 ]
[ "nonn" ]
A009261
[ 1, 1, 1, -3, -15, 33, 513, -403, -31007, -41247, 2881089, 12404989, -376412847, -3175861439, 64825974593, 925805229229, -13951231536191, -320290449542079, 3556538162237313, 131747901365358200, -998391201911168400 ]
[ "sign", "easy" ]
A306355
[ 1, 3, 7, 17, 19, 23, 29, 47, 59, 61, 97, 109, 113, 131, 149, 167, 179, 181, 193, 223, 229, 233, 257, 263, 269, 289, 313, 337, 361, 367, 379, 383, 389, 419, 433, 461, 487, 491, 499, 503, 509, 541, 571, 577, 593, 619, 647, 659, 701, 709, 727, 743, 811, 821, 823 ]
[ "nonn", "base" ]
A270013
[ 8, -9, 49, -49, 121, -121, 225, -225, 361, -361, 529, -529, 729, -729, 961, -961, 1225, -1225, 1521, -1521, 1849, -1849, 2209, -2209, 2601, -2601, 3025, -3025, 3481, -3481, 3969, -3969, 4489, -4489, 5041, -5041, 5625, -5625, 6241, -6241, 6889, -6889, 7569 ]
[ "sign", "easy" ]
A376696
[ 1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 4, 5, 6, 8, 10, 12, 15, 18, 21, 24, 28, 33, 39, 47, 57, 69, 84, 102, 123, 147, 175, 208, 247, 294, 351, 420, 504, 606, 729, 876, 1051, 1259, 1506, 1800, 2151, 2571, 3075, 3681, 4410, 5286, 6337, 7596, 9102, 10902, 13053, 15624, 18699, 22380, 26790 ]
[ "nonn" ]
A284490
[ 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1 ]
[ "nonn", "easy" ]
A314528
[ 1, 5, 8, 15, 15, 24, 25, 30, 39, 40, 47, 49, 54, 59, 64, 65, 72, 79, 77, 88, 87, 94, 103, 100, 111, 113, 116, 123, 126, 129, 136, 139, 141, 152, 149, 158, 165, 164, 175, 173, 180, 187, 188, 193, 198, 203, 205, 212, 213, 222 ]
[ "nonn" ]
A226097
[ 1447, 1373, 1163, 1097, 911, 853, 691, 641, 503, 461, 347, 313, 223, 197, 131, 113, 71, 61, 43, 41, 47, 53, 83, 97, 151, 173, 251, 281, 383, 421, 547, 593, 743, 797, 971, 1033, 1231, 1301, 1523, 1601, 1847, 1933, 2203, 2297, 2591, 2693, 3011, 3121, 3463, 3581, 3947 ]
[ "nonn", "easy" ]
A326661
[ 1, 2, 7, 3, 4, 16, 5, 6, 25, 8, 9, 35, 10, 11, 43, 12, 13, 52, 14, 15, 61, 17, 18, 71, 19, 20, 79, 21, 22, 88, 23, 24, 97, 26, 27, 107, 28, 29, 115, 30, 31, 124, 32, 33, 133, 34, 36, 142, 37, 38, 151, 39, 40, 160, 41, 42, 169, 44, 45, 179, 46, 47, 187, 48 ]
[ "nonn", "tabf", "easy" ]
A033339
[ 19, 9, 6, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]
[ "easy", "nonn" ]
A347517
[ 1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 15, 16, 18, 19, 21, 22, 24, 25, 27, 28, 30, 31, 33, 34, 36, 38, 40, 41, 44, 45, 47, 49, 51, 52, 55, 56, 58, 60, 62, 63, 66, 67, 69, 71, 73, 74, 77, 78, 80, 82, 84, 85, 88, 89, 91, 93, 95, 96, 99, 100, 102, 104, 107, 108, 111, 112, 115, 117, 119, 120, 124, 125, 127, 129, 132, 133, 136 ]
[ "nonn" ]
A132623
[ 0, 1, 0, 1, 2, 0, 3, 2, 3, 0, 14, 8, 3, 4, 0, 87, 46, 15, 4, 5, 0, 669, 338, 102, 24, 5, 6, 0, 6098, 2992, 861, 188, 35, 6, 7, 0, 64050, 30800, 8589, 1788, 310, 48, 7, 8, 0, 759817, 360110, 98238, 19800, 3275, 474, 63, 8, 9, 0, 10028799, 4701734, 1262208, 248624 ]
[ "nonn", "tabl" ]
A118444
[ 1, -1, 1, -9, -31, 79, 161, -249, -191, -481, -2879, 9111, 22049, -42641, -60319, 28071, -189311, 897599, 2643841, -6087369, -11130271, 14084239, 685601, 67678791, 274143169, -758178721, -1661999039, 2857102551, 3118415009, 1811852719, 22839485921, -82298680089, -214997290751 ]
[ "sign", "easy" ]
A214606
[ 1, 2, 3, 2, 5, 2, 7, 2, 3, 2, 11, 2, 13, 2, 3, 2, 17, 2, 19, 2, 3, 2, 23, 2, 5, 2, 3, 14, 29, 2, 31, 2, 3, 2, 1, 2, 37, 2, 3, 2, 41, 2, 43, 2, 15, 2, 47, 2, 7, 2, 3, 2, 53, 2, 1, 2, 3, 2, 59, 2, 61, 2, 3, 2, 5, 2, 67, 2, 3, 14, 71, 2, 73, 2, 3, 2, 1, 2, 79 ]
[ "nonn", "easy" ]
A329304
[ 0, 1, 8, 217, 13896, 1737217, 375252768, 128713436641, 65901654812960, 48042435072084480, 48042500973739295000, 6.3944616838482075e+22, 1.10496345939398e+26, 2.4276053597347424e+29, 6.661350212075592e+32 ]
[ "nonn", "frac" ]
A188620
[ 3, 17, 29, 73, 127, 251, 281, 433, 521, 577, 757, 1009, 1217, 1459, 2663, 2729, 2753, 2927, 3257, 3457, 3529, 3719, 5039, 5573, 5897, 6833, 6841, 7561, 7589, 8009, 8191, 8513, 9001, 9929, 10657, 11161, 12097, 12377, 12511, 12637, 13499, 16001, 16481, 17921, 18089, 18523, 19001 ]
[ "nonn" ]
A337510
[ 1, 2, 6, 52, 3854, 21090612, 629815387162156, 5.618715115129251e+29, 4.465757581064163e+59 ]
[ "easy", "nonn" ]
A017638
[ 3486784401, 16679880978201, 1531578985264449, 34050628916015624, 362033331456891260, 2446194060654760000, 12157665459056929000, 48398230717929320000, 162889462677744160000, 480682838924478840000 ]
[ "nonn", "easy" ]
A044957
[ 1, 2, 3, 4, 5, 6, 7, 9, 18, 27, 36, 45, 54, 63, 64, 65, 72, 73, 74, 75, 76, 77, 78, 79, 81, 82, 89, 91, 97, 100, 105, 109, 113, 118, 121, 127, 128, 130, 137, 138, 144, 145, 146, 147, 148, 149, 150, 151, 154, 155, 162, 164, 170, 173, 178 ]
[ "nonn", "base" ]
A111669
[ 1, 1, 1, 1, 2, 1, 1, 3, 4, 1, 1, 4, 11, 7, 1, 1, 5, 26, 32, 12, 1, 1, 6, 57, 122, 92, 20, 1, 1, 7, 120, 423, 582, 252, 33, 1, 1, 8, 247, 1389, 3333, 2598, 681, 54, 1, 1, 9, 502, 4414, 18054, 24117, 11451, 1815, 88, 1, 1, 10, 1013, 13744, 94684, 210990, 172980, 49566, 4807, 143, 1 ]
[ "easy", "nonn", "tabl" ]
A335983
[ 4, 9, 26, 70, 190, 516, 1403, 3815, 10370 ]
[ "nonn", "more" ]
A057978
[ 2, 5, 89, 1212, 13863, 150232, 1574973, 16246940, 165826606, 1681871718, 16988116409, 171128671374 ]
[ "more", "nonn" ]
A055764
[ 1, 0, 0, 4, 86, 0, 0, 32032, 130020, 0, 0, 3679212, 9178840, 0, 0, 95627232, 188216478, 0, 0, 1143121804, 1959809640, 0, 0, 8506573728, 13292794152, 0, 0, 45762056912, 67074024512, 0, 0, 195391063872, 272568063636, 0, 0 ]
[ "nonn" ]
A281551
[ 3, 23, 41, 47, 59, 89, 101, 149, 179, 227, 317, 347, 353, 383, 389, 479, 503, 599, 821, 887, 929, 977, 1019, 1109, 1229, 1283, 1319, 1511, 1571, 1619, 1667, 1709, 1733, 1787, 1847, 1889, 1907, 1913, 1931, 2207, 2309, 2333, 2357, 2399, 2417, 2459, 2609, 2753, 2789, 2909, 2963, 2999, 3203, 3257, 3299 ]
[ "nonn", "base" ]
A258510
[ 3456356, 46808032, 1035738226, 18083959576, 291747299054, 5214669067797, 94282780215006, 1662033597780835, 29352153931907910, 521951097519998850, 9272036626115873000, 164476417603760880000, 2.9192888886433006e+21 ]
[ "nonn" ]
A256167
[ 1, 5, 2, 4, 0, 6, 3, 8, 2, 2, 4, 3, 0, 7, 8, 4, 5, 2, 4, 8, 8, 1, 0, 5, 6, 4, 9, 3, 9, 2, 6, 3, 0, 2, 1, 9, 2, 5, 6, 5, 9, 3, 3, 7, 3, 7, 4, 0, 6, 4, 0, 3, 4, 7, 5, 1, 0, 4, 2, 8, 7, 2, 9, 1, 4, 6, 4, 9, 9, 1, 7, 9, 8, 2, 5, 1, 8, 0, 8, 8, 5, 3, 7, 3, 8, 8, 1, 8, 6, 6, 3, 3, 9, 2, 7, 8, 5, 5, 1, 6, 9, 9, 2, 6 ]
[ "nonn", "cons" ]
A197431
[ 1, 3, 3, 4, 9, 4, 5, 20, 20, 5, 9, 71, 68, 71, 9, 16, 227, 448, 448, 227, 16, 25, 664, 2152, 5197, 2152, 664, 25, 39, 2107, 10684, 43909, 43909, 10684, 2107, 39, 64, 6675, 55567, 410456, 720447, 410456, 55567, 6675, 64, 105, 20696, 280544, 4017895, 11769456 ]
[ "nonn", "tabl" ]
A154664
[ 3, 4, 5, 6, 12 ]
[ "nonn" ]
A119020
[ 1, 1, 2, 4, 11, 31, 96, 302, 1023, 3607, 13318, 50348, 195361, 772565, 3112630, 12715692, 52648847, 220705119, 937145214, 4028239116, 17522172021, 77071709841, 342583183572, 1537550150766, 6961838925069, 31774593686661 ]
[ "nonn" ]
A066609
[ 0, 25, 125, 625, 0, 73, 10897, 30177, 4508, 65625, 29672, 36433, 263034, 288873, 575000, 159681, 592030, 1485433, 1639363, 1240625, 250928, 928073, 4040001, 93601, 0, 10915033, 14288075, 16048657, 3176520, 4515625 ]
[ "nonn" ]
A016747
[ 0, 128, 16384, 279936, 2097152, 10000000, 35831808, 105413504, 268435456, 612220032, 1280000000, 2494357888, 4586471424, 8031810176, 13492928512, 21870000000, 34359738368, 52523350144, 78364164096, 114415582592, 163840000000, 230539333248, 319277809664, 435817657216 ]
[ "nonn", "easy" ]
A069650
[ 8, 96, 840, 9240, 98280, 997920, 8648640, 99459360, 994593600, 9777287520, 97772875200, 963761198400, 9958865716800, 97821761637600, 978217616376000, 9651747148243200, 98930408269492800, 994651672331116800 ]
[ "nonn", "base" ]
A134929
[ 2, 1, 7, 2, 9, 8, 7, 5, 3, 9, 3, 1, 9, 6, 9, 6, 3, 4, 7, 2, 3, 0, 9, 2, 4, 8, 4, 8, 9, 8, 8, 6, 5, 9, 2, 7, 6, 9, 6, 2, 4, 9, 6 ]
[ "base", "easy", "nonn" ]
A168834
[ 1, 13, 156, 1872, 22464, 269568, 3234816, 38817792, 465813504, 5589762048, 67077144576, 804925734912, 9659108818944, 115909305827328, 1390911669927936, 16690940039135232, 200291280469622800 ]
[ "nonn" ]
A133413
[ 1, 2, 24, 492, 202064, 100202536, 888531141152, 8548846756027594, 1.4008220357432398e+21, 2.4114998420577387e+26, 6.91305758149247e+32, 2.048332087899167e+39, 9.984060398210849e+46 ]
[ "nonn" ]
A029766
[ 0, 1, 2, 12, 48, 360, 2160, 25200, 201600, 2540160, 25401600, 399168000, 4790016000, 80951270400, 1133317785600, 23538138624000, 376610217984000, 8180810846208000, 147254595231744000, 3649353012264960000 ]
[ "nonn", "easy" ]
A364153
[ 1, 2, 3, 5, 6, 7, 9, 10, 12, 13, 14, 17, 18 ]
[ "nonn", "hard", "more" ]
A134606
[ 16, 81, 351, 512, 625, 1080, 1260, 1350, 1375, 1792, 1836, 2070, 2145, 2175, 2401, 2730, 2772, 3510, 4104, 4305, 4625, 4650, 4655, 4998, 5880, 6000, 6545, 7098, 7182, 7791, 7889, 7956, 9030, 9108, 9295, 9324, 10098, 10368, 10545, 11628, 11935, 12096 ]
[ "nonn" ]
A097505
[ 2, 3, 8, 5, 12, 23, 7, 18, 31, 48, 11, 24, 41, 60, 83, 13, 30, 49, 72, 101, 132, 17, 36, 59, 88, 119, 156, 197, 19, 42, 71, 102, 139, 180, 223, 270, 23, 52, 83, 120, 161, 204, 251, 304, 363, 29, 60, 97, 138, 181, 228, 281, 340, 401, 468, 31, 68, 109, 152, 199, 252, 311, 372, 439, 510, 583 ]
[ "nonn", "tabl" ]
A065630
[ 1, 2, 6, 4, 5, 12, 3, 8, 9, 10, 11, 24, 25, 13, 7, 16, 17, 18, 19, 20, 21, 22, 23, 48, 49, 50, 51, 26, 27, 14, 15, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 96, 97, 98, 99, 100, 101, 102, 103, 52, 53, 54, 55, 28, 29, 30, 31, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92 ]
[ "nonn" ]
A371280
[ 1, 2, 3, 4, 3, 5, 5, 4, 10, 5, 8, 9, 15, 8, 6, 20, 5, 16, 9, 15, 8, 9, 7, 13, 7, 11, 13, 23, 9, 7, 23, 6, 19, 11, 19, 16, 18, 7, 13, 14, 11, 26, 46, 7, 23, 12, 19, 22, 38, 27, 21, 39, 21, 33, 13, 27, 69, 57, 11, 19, 32, 36, 7, 26, 28, 11, 52, 92, 14, 23, 24 ]
[ "nonn", "tabf", "frac" ]
A294314
[ 0, 1, 1, 5, 0, 64, -245, 2757, -23576, 272256, -3270977, 45055845, -671589952, 10984688636, -193875825117, 3688182769117, -75085512079184, 1630385857436224, -37596306847103460, 917765946045581300, -23641953753495250000, 640958728426947200000, -1.8242640219843554e+22 ]
[ "sign" ]
A281369
[ 25, 34, 27, 45, 52, 65, 64, 82, 84, 104, 67, 86, 121, 71, 94, 81, 102, 114, 195, 253, 295, 305, 249, 276, 151, 154, 164, 168, 170, 129, 146, 194, 184, 222, 236, 215, 189, 455, 526, 583, 600, 618, 915, 979, 996, 1032, 1463, 1541, 1544, 1752, 1887, 2348, 2378, 2195, 2485, 1279, 1298, 673, 591, 589 ]
[ "nonn" ]
A042313
[ 1, 7, 15, 67, 216, 283, 499, 12758, 13257, 26015, 91302, 391223, 873748, 6507459, 339261616, 2381338771, 5101939158, 22789095403, 73469225367, 96258320770, 169727546137, 4339446974195, 4509174520332, 8848621494527, 31055039003913, 133068777510179 ]
[ "nonn", "frac", "easy" ]
A342856
[ 1, 24, 120, 720, 5040, 40320, 362880, 3628800, 39916800, 479001600, 6227020800, 87178291200, 1307674368000, 20922789888000, 355687428096000, 6402373705728000, 121645100408832000, 2432902008176640000, 51090942171709440000, 1.1240007277776077e+21 ]
[ "nonn" ]
A042518
[ 28, 393, 22036, 308897, 17320268, 242792649, 13613708612, 190834713217, 10700357648764, 149995841795913, 8410467498219892, 117896540816874400, 6610616753243186000, 92666531086221480000, 5.195936357581646e+21 ]
[ "nonn", "cofr", "frac", "easy" ]
A336352
[ 0, 1, 0, 1, 0, 0, 0, 2, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 2, 0, 0, 0, 0, 0 ]
[ "nonn" ]
A224994
[ 1, 3, 5, 21, 13, 53, 67, 141, 93, 61, 37, 149, 101, 65, 261, 173, 693, 461, 305, 209, 813, 541, 2165, 1445, 961, 657, 2315, 1709, 1169, 4557, 3037, 2021, 3659, 5389, 3589, 2413, 5123, 2291, 4253, 2755, 7235, 7557, 5037, 3357, 10123, 8949, 5965, 3973, 15893 ]
[ "nonn" ]
A278083
[ 1, 4, 4, 8, 12, 12, 12, 16, 16, 20, 32, 24, 20, 36, 28, 32, 48, 32, 36, 48, 40, 44, 48, 48, 56, 64, 52, 48, 80, 60, 60, 96, 48, 68, 96, 72, 72, 80, 96, 80, 108, 84, 64, 112, 88, 96, 128, 80, 96, 144, 100, 104, 128, 108, 108, 144, 112, 96, 144, 128, 132, 160 ]
[ "nonn" ]
A180765
[ 3, 111, 2385, 52186, 1154119, 25448809, 561487456, 12387396391, 273289411333, 6029284136868, 133017439433103, 2934617106201383, 64743220889823230, 1428358285117311000, 31512293679807787000, 695220984328633500000 ]
[ "nonn" ]
A252255
[ 1, 14, 61, 966, 1428, 9174, 15642, 19934, 22155, 27075, 36650, 48731, 51095, 54184, 57902, 59711, 61039, 89276, 98645, 113080, 126850, 140283, 142149, 154670, 165822, 190908, 197705, 198712, 202096, 203107, 247268, 274368, 274716, 307836, 311925, 331037, 366740 ]
[ "nonn", "base" ]
A169979
[ 2, 0, 2, 3, 1, 5, 0, 2, 6, 5, 1, 8, 1, 5, 0, 2, 0, 2, 3, 1, 5, 0, 2, 0, 8, 1, 8, 5, 5, 0, 1, 5, 1, 4, 5, 0, 6, 9, 2, 2, 5, 0, 2, 6, 5, 1, 8, 1, 5, 0, 2, 0, 2, 3, 1, 5, 0, 1, 9, 9, 2, 4, 0, 6, 9, 2, 2, 5, 0, 1, 5, 1, 4, 5, 0, 5, 6, 7, 8, 2, 0, 0, 1, 5, 1, 4, 5, 0, 6, 9, 2, 2, 5, 0, 2, 6, 5, 1, 8 ]
[ "nonn", "word", "base" ]