id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A218896
[ 26, 426, 9110, 149238, 2880294, 52413310, 969423130, 17870306268, 329607859688, 6079480914622, 112133703714680, 2068302082008760, 38149959135417736, 703681415905780000, 12979537903131360000, 239410417049738540000 ]
[ "nonn" ]
A366323
[ 5, 25, 125, 389, 549, 1125, 12889, 26925 ]
[ "nonn", "hard", "more" ]
A219588
[ 3, 7, 84, 1114, 26006, 1767430, 415752625 ]
[ "nonn" ]
A250043
[ 2, 3, 4, 5, 6, 7, 8, 18, 20, 22, 24, 26, 27, 30, 33, 36, 38, 40, 42, 44, 45, 50, 54, 56, 57, 58, 60, 62, 63, 70, 72, 74, 76, 78, 80, 162, 164, 165, 166, 168, 170, 180, 182, 184, 185, 186, 188, 198, 200, 202, 204, 206, 216, 218, 219, 220, 222, 224, 234, 236 ]
[ "nonn", "base" ]
A107831
[ 11, 2, 6, 5, 7, 4, 12, 9, 1, 10, 8, 13, 14, 15, 19, 18, 20, 21, 16, 3, 17, 22, 24, 23, 27, 26, 28, 25, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61 ]
[ "easy", "nonn" ]
A018991
[ 1, 13, 24, 258, 1022, 7596, 43227, 302017, 1981321, 13868444, 96259499, 683882847, 4878916960, 35208994656, 255674262459 ]
[ "nonn", "more" ]
A215812
[ 1, 3, 5, 9, 13, 17, 27, 29, 37, 41, 53, 61, 65, 89, 97, 113, 123, 137, 157, 169, 185, 197, 267, 281, 289, 305, 313, 349, 353, 369, 397, 411, 433, 457, 461, 481, 493, 509, 541, 557, 593, 613, 617, 661, 673, 697, 809, 829, 841, 857, 877, 901, 1061, 1097 ]
[ "nonn" ]
A214207
[ 1, 2, 3, 4, 5, 8, 9, 11, 12, 17, 19, 20, 24, 25, 35, 36, 40, 41, 49, 51, 72, 73, 81, 83, 99, 100, 104, 145, 147, 163, 164, 168, 200, 201, 209, 292, 296, 328, 329, 337, 401, 403, 419, 420, 585, 593, 657, 659, 675, 676, 804, 808, 840, 841, 1171, 1187, 1188, 1316, 1320, 1352, 1353, 1609, 1617, 1681, 1683, 2344, 2376, 2377, 2633, 2641, 2705, 2707, 3219, 3235 ]
[ "nonn" ]
A351683
[ 0, 1, 196, 38025, 7376656, 1431033241, 277613072100, 53855504954161, 10447690348035136, 2026798072013862100, 393188378280341200000, 7.627651858831419e+22, 1.4797251417754671e+25, 2.870590498525818e+27, 5.568797594625909e+29 ]
[ "nonn", "easy", "changed" ]
A325382
[ 1, 2, 3, 4, 3, 5, 3, 4, 6, 7, 3, 8, 3, 9, 10, 4, 3, 5, 3, 7, 11, 12, 3, 8, 13, 14, 6, 15, 3, 16, 3, 4, 17, 18, 19, 8, 3, 20, 21, 7, 3, 22, 3, 23, 10, 24, 3, 8, 25, 7, 26, 14, 3, 5, 27, 28, 29, 30, 3, 31, 3, 32, 11, 4, 33, 34, 3, 18, 35, 36, 3, 8, 3, 37, 10, 38, 39, 40, 3, 7, 6, 41, 3, 42, 43, 44, 45, 23, 3, 46, 47, 48, 49, 36, 50, 8, 3, 9, 17, 7, 3, 51, 3, 14 ]
[ "nonn" ]
A100242
[ 0, 1, 26, 207, 904, 2825, 7146, 15631, 30752, 55809, 95050, 153791, 238536, 357097, 518714, 734175, 1015936, 1378241, 1837242, 2411119, 3120200, 3987081, 5036746, 6296687, 7797024, 9570625, 11653226, 14083551, 16903432, 20157929, 23895450, 28167871 ]
[ "nonn", "easy" ]
A279295
[ 1, 16, 1138, 25999, 775195, 18523314, 463088628, 11068300437, 268537592975, 6514804501312, 160541447975710, 4013204668037233, 102267326625073180, 2658365720541600000, 70614284743773530000, 1.9178748127044722e+21, 5.329468974135889e+22 ]
[ "nonn" ]
A189580
[ 0, 0, 0, 199, 2564251, 6007, 380929, 35969, 272809, 640943, 5378959, 18460423, 2707037 ]
[ "nonn" ]
A096219
[ 1, 1, 1, 1, 3, 7, 41, 2, 18 ]
[ "nonn" ]
A330458
[ 1, 1, 3, 8, 20, 49, 123, 292, 701, 1653, 3874, 8977, 20711, 47344, 107692, 243382, 547264, 1224048, 2725483, 6040796, 13334354, 29316445, 64215841, 140159357, 304890958, 661097630, 1429083295, 3080159882, 6620188725, 14190463947, 30338920339, 64702805452 ]
[ "nonn" ]
A384338
[ 1, 11, 169, 2864, 50857, 928091, 17242900, 324433064, 6162083161, 117893396513, 2268645170929, 43862498370812, 851378415887356, 16580151838496036, 323804481725009600, 6339277230341165000, 124372602047494980000, 2.444709901233345e+21 ]
[ "nonn" ]
A088572
[ 1, 2, 3, 4, 6, 7, 9, 10, 13, 14, 16, 17, 18, 21, 23, 24, 27, 30, 31, 34, 35, 37, 38, 44, 46, 51, 53, 58, 59, 60, 63, 65, 67, 69, 72, 77, 80, 84, 86, 88, 91, 95, 102, 105, 108, 111, 115, 116, 118, 119, 123, 126, 128, 129, 132, 133, 136, 139, 142, 146, 149, 150, 151, 154, 156, 157 ]
[ "nonn" ]
A347095
[ 2, 0, 0, 9, 0, 30, 0, 21, 25, 54, 0, 35, 0, 78, 90, 49, 0, 51, 0, 63, 130, 126, 0, 95, 81, 150, 85, 91, 0, 0, 0, 113, 210, 198, 234, 172, 0, 222, 250, 171, 0, 0, 0, 147, 153, 270, 0, 235, 169, 147, 330, 175, 0, 231, 378, 247, 370, 342, 0, 405, 0, 366, 221, 257, 450, 0, 0, 231, 450, 0, 0, 424, 0, 438, 245, 259, 546 ]
[ "nonn" ]
A336796
[ 13, 73, 109, 157, 241, 277, 421, 1549, 3061, 4561, 4861, 5701, 6301, 6829, 8941, 10429, 13381, 14029, 14221, 21169, 22369, 24049, 26161, 29761, 30529, 33601, 39901, 44221, 45061, 47581, 55609, 61609, 62869, 64381, 74869, 97549, 121501, 129061, 133669, 135661 ]
[ "nonn" ]
A221482
[ 0, 8235, 2017564, 1219698562, 579209730382, 290839286759257, 144288378372479000, 71554709571024300000 ]
[ "nonn" ]
A333355
[ 0, 1, 0, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2 ]
[ "nonn", "base", "easy" ]
A149095
[ 1, 1, 4, 8, 33, 85, 368, 1075, 4774, 15159, 68370, 229628, 1048399, 3667970, 16896447, 61004046, 282975372, 1047379521, 4885687465, 18452896178, 86471544959, 332130134949, 1562341136053, 6086615452877, 28724178104371, 113274582323114, 536053173515554, 2136376052024340, 10134352774365060 ]
[ "nonn", "walk" ]
A114819
[ 36, 100, 114, 165, 174, 256, 266, 273, 282, 296, 304, 322, 325, 366, 369, 376, 406, 424, 428, 429, 484, 494, 506, 574, 578, 589, 633, 637, 642, 646, 652, 658, 663, 664, 668, 669, 670, 687, 705, 716, 724, 742, 754, 779, 782, 807, 845, 892, 909, 921, 946, 956 ]
[ "nonn" ]
A040626
[ 25, 1, 1, 6, 1, 3, 1, 3, 2, 5, 1, 16, 5, 1, 1, 1, 1, 2, 12, 2, 1, 1, 1, 1, 5, 16, 1, 5, 2, 3, 1, 3, 1, 6, 1, 1, 50, 1, 1, 6, 1, 3, 1, 3, 2, 5, 1, 16, 5, 1, 1, 1, 1, 2, 12, 2, 1, 1, 1, 1, 5, 16, 1, 5, 2, 3, 1, 3, 1, 6, 1, 1, 50, 1, 1, 6, 1, 3, 1, 3, 2, 5, 1, 16, 5, 1, 1, 1, 1 ]
[ "nonn", "cofr", "easy", "less" ]
A301997
[ 5, 50, 309, 2036, 14016, 100176, 729297, 5333386, 39000114, 285003038, 2082142574, 15211180773, 111130989409, 811933398770, 5932115487834, 43341007947078, 316656251375882, 2313539966133653, 16903085362643740, 123496604929203700 ]
[ "nonn" ]
A257487
[ 4, 5, 13, 44, 160, 593, 2209, 8240, 30748, 114749, 428245, 1598228, 5964664, 22260425, 83077033, 310047704, 1157113780, 4318407413, 16116515869, 60147656060, 224474108368, 837748777409, 3126521001265, 11668335227648, 43546819909324 ]
[ "nonn", "easy" ]
A055782
[ 23, 53, 73, 113, 173, 193, 233, 293, 313, 373, 433, 593, 613, 673, 733, 1013, 1033, 1093, 1373, 1493, 1733, 1913, 1933, 1973, 1993, 2113, 2273, 2293, 2333, 2393, 2633, 2693, 2713, 2833, 3313, 3373, 3533, 3593, 3673, 3733, 3793, 3833, 4013, 4093, 4493 ]
[ "nonn", "easy" ]
A187785
[ 1, 2, 2, 2, 2, 2, 2, 3, 1, 2, 3, 2, 4, 0, 2, 2, 3, 4, 1, 3, 1, 3, 3, 3, 2, 3, 2, 3, 2, 2, 4, 2, 7, 1, 3, 2, 1, 6, 4, 4, 3, 1, 3, 2, 3, 6, 3, 6, 0, 3, 3, 2, 6, 2, 4, 1, 3, 4, 3, 3, 4, 4, 1, 1, 1, 3, 3, 6, 2, 2, 2, 2, 7, 1, 3, 3, 2, 5, 2, 5, 2, 1, 5, 1, 4, 1, 4, 4, 1, 3, 2, 3, 4, 2, 3, 4, 2, 5, 1, 3 ]
[ "nonn" ]
A069878
[ 1, 10, 444793, 8.635565795744155e+21, 1.1226065745480385e+75 ]
[ "nonn" ]
A297290
[ 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 103, 104, 105, 106 ]
[ "nonn", "base", "easy" ]
A242905
[ 3, 13, 31, 103, 1013, 1031, 1103, 1301, 3011, 10103, 10301, 11003, 13001, 30011, 100103, 103001, 1000133, 1000313, 1001303, 1003103, 1010033, 1013003, 1030031, 1031003, 1033001, 1100303, 1300031, 1330001 ]
[ "nonn", "base" ]
A182926
[ 1, 2, 3, 10, 25, 161, 721, 5706, 40881, 385687, 3628801, 41268613, 479001601, 6324319717, 87212177053, 1317906346186, 20922789888001, 357099708702023, 6402373705728001, 121882752536893630, 2432928081076384300, 51140835669924360000 ]
[ "nonn" ]
A096301
[ 1, 4, 9, 3, 1, 14, 10, 21, 20, 1, 4, 20, 40, 10, 81, 64, 72, 8, 14, 3, 7, 32, 24, 15, 5, 20, 72, 18, 42, 18, 32, 10, 14, 8, 12, 14, 14, 60, 18, 2, 24, 15, 9, 30, 18, 30, 84, 27, 75, 5, 16, 8, 15, 168, 32, 27, 20, 56, 28, 24, 128, 20, 180, 224, 70, 15, 60, 120, 196, 90, 144, 200, 24 ]
[ "base", "easy", "nonn" ]
A213827
[ 0, 2, 21, 90, 260, 600, 1197, 2156, 3600, 5670, 8525, 12342, 17316, 23660, 31605, 41400, 53312, 67626, 84645, 104690, 128100, 155232, 186461, 222180, 262800, 308750, 360477, 418446, 483140, 555060, 634725, 722672, 819456, 925650, 1041845, 1168650, 1306692 ]
[ "nonn", "easy" ]
A388823
[ 1, 2, 8, 7, 1, 5, 2, 5, 9, 5, 2, 5, 0, 8, 9, 0, 7, 6, 1, 6, 0, 0, 3, 9, 8, 4, 8, 0, 9, 4, 5, 9, 8, 2, 2, 8, 4, 3, 8, 8, 9, 2, 4, 1, 5, 5, 7, 3, 8, 3, 5, 5, 7, 2, 9, 2, 0, 1, 6, 2, 6, 8, 7, 8, 6, 2, 7, 9, 6, 2, 2, 5, 5, 0, 1, 6, 6, 1, 9, 4, 9, 5, 0, 4, 0, 5, 3 ]
[ "nonn", "cons" ]
A148713
[ 1, 1, 3, 7, 24, 67, 245, 758, 2844, 9351, 35637, 121842, 469242, 1648373, 6394548, 22913355, 89351915, 325041804, 1272438056, 4683780808, 18390175132, 68334783088, 268934563467, 1007023911480, 3970611710972, 14962834910689, 59087068667236, 223855860358809, 885099422716307, 3368512445348633 ]
[ "nonn", "walk" ]
A140107
[ 1, 28, 490, 6860, 84035, 941192, 9882516, 98825160, 951192165, 8877793540, 80787921214, 719746934452, 6297785676455, 54257845827920, 461191689537320, 3874010192113488, 32202709721943370, 265198785945415970, 2165790085220897300, 17554298585474640000 ]
[ "nonn", "easy" ]
A086695
[ 89, 9899, 998999, 99989999, 9999899999, 999998999999, 99999989999999, 9999999900000000, 999999999000000000, 99999999990000000000, 9.9999999999e+21, 9.99999999999e+23, 9.999999999999e+25, 9.9999999999999e+27 ]
[ "easy", "nonn" ]
A266489
[ 1, 1, 2, 12, 132, 2180, 49098, 1428602, 51861128, 2290563882, 120711239660, 7471093468410, 535933804067208, 44060201848627580, 4111355981400939500, 431786985294905500000, 5.066319523522048e+22, 6.598130071439136e+24, 9.482759691801281e+26, 1.4961654582395433e+29, 2.5794482347497417e+31, 4.83884240028825e+33 ]
[ "nonn" ]
A105648
[ 73615, 209065, 225951, 283745, 305455, 342879, 656743, 683670, 729066, 747948, 774858, 879221, 954590, 1185547, 1262722, 1353955, 1369374, 1495718, 1622495, 1666434, 1790480, 2197579, 2299772, 2428854, 2561678, 2576441, 2580367, 2636516, 2665480, 2707580, 2741816 ]
[ "nonn", "base" ]
A339493
[ 0, 0, 4, 11, 24, 52, 110, 228, 467, 949, 1916, 3848, 7696, 15342, 30505, 60527, 119892, 237156, 468590, 925032, 1824727, 3597289, 7088216, 13961168, 27489168, 54110618, 106489245, 209531251, 412217072, 810865812, 1594878078, 3136673996, 6168522827, 12130206941 ]
[ "nonn" ]
A078033
[ 1, -1, -1, -1, 3, 3, -1, -9, -5, 11, 23, -1, -45, -45, 47, 135, 43, -229, -313, 143, 771, 483, -1057, -2025, 91, 4139, 3959, -4321, -12237, -3597, 20879, 28071, -13685, -69829, -42457, 97199, 182115, -12285, -376513, -351945, 401083, 1104971, 302807, -1907137, -2512749, 1301523, 6327023 ]
[ "sign", "easy" ]
A086805
[ 5, 113, 1987, 552493, 6.283130024585128e+23, 4.075508284949741e+25, 6.681921617166541e+36 ]
[ "easy", "nonn" ]
A265821
[ 1, 1, 1, 1, 5, 5, 5, 12, 28, 28, 38, 66, 130, 143, 232, 344, 616, 738, 1094, 1561, 2840, 3671, 5117, 7227, 12833, 16182, 22428, 32205, 57058, 71006, 98684, 141253, 241563, 301889, 421994, 610113, 1018507, 1278706, 1784671, 2549610, 4224964, 5333003, 7491698 ]
[ "nonn" ]
A081917
[ 1, 1, 4, 28, 272, 3375, 50976, 907578, 18612224, 432061533, 11200000000, 320680885976, 10051252125696, 342302635261067, 12586048547315712, 496928474121093760, 20968759865037030000, 941737183946729500000 ]
[ "easy", "nonn" ]
A261515
[ 5, 17, 59, 71, 103, 157, 353, 787, 4567, 4621, 6857, 63317, 124769, 336773, 14178581, 37187119, 214544387, 214811057, 215602631, 271249247, 273928639, 431274143, 544625929, 851377883, 3913864351, 5964539507, 5964539519, 11097645023, 11097974947, 11102342221, 45063304271, 142799017567, 207890420203, 207913758571 ]
[ "nonn" ]
A333816
[ 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 1, 2, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1, 0, 2, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0, 2, 1, 1, 0, 1, 1, 1, 1 ]
[ "nonn" ]
A099453
[ 1, 7, 38, 189, 905, 4256, 19837, 92043, 426094, 1970185, 9104261, 42057792, 194257673, 897167999, 4143341590, 19134543141, 88365044497, 408075336928, 1884511869029, 8702754376995, 40189650079646, 185597252410577, 857094615997933, 3958092535469184, 18278606972307024 ]
[ "easy", "nonn" ]
A331682
[ 1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 17, 19, 20, 22, 24, 26, 28, 29, 30, 31, 32, 33, 34, 35, 37, 38, 40, 41, 43, 44, 47, 48, 51, 52, 53, 55, 56, 58, 59, 60, 62, 64, 66, 67, 68, 70, 71, 74, 76, 77, 79, 80, 82, 85, 86, 88, 89, 93, 94, 95, 96, 101 ]
[ "nonn" ]
A269361
[ 1, 2, 4, 5, 8, 9, 16, 10, 13, 20, 17, 32, 18, 29, 36, 33, 40, 26, 21, 49, 42, 52, 25, 41, 50, 82, 57, 45, 53, 80, 34, 64, 37, 113, 74, 125, 84, 61, 72, 58, 73, 65, 68, 69, 128, 66, 129, 132, 133, 77, 114, 81, 117, 90, 104, 85, 98, 89, 93, 100, 105, 161, 106, 97, 169, 122, 137, 157, 138, 136, 121, 141, 149, 221, 153, 109, 160, 116, 144 ]
[ "nonn", "base" ]
A158550
[ 156, 663, 1508, 2691, 4212, 6071, 8268, 10803, 13676, 16887, 20436, 24323, 28548, 33111, 38012, 43251, 48828, 54743, 60996, 67587, 74516, 81783, 89388, 97331, 105612, 114231, 123188, 132483, 142116, 152087, 162396, 173043, 184028, 195351, 207012, 219011, 231348 ]
[ "nonn", "easy" ]
A340584
[ 1, 4, 7, 1, 11, 3, 1, 13, 4, 3, 1, 18, 7, 4, 3, 1, 20, 6, 7, 4, 3, 1, 23, 12, 6, 7, 4, 3, 1, 28, 8, 12, 6, 7, 4, 3, 1, 31, 15, 8, 12, 6, 7, 4, 3, 1, 30, 13, 15, 8, 12, 6, 7, 4, 3, 1, 40, 18, 13, 15, 8, 12, 6, 7, 4, 3, 1, 42, 12, 18, 13, 15, 8, 12, 6, 7, 4, 3, 1, 38, 28, 12, 18, 13, 15, 8, 12, 6, 7, 4, 3, 1 ]
[ "nonn", "tabf" ]
A296731
[ 1, 1, -7, -119, 4241, 216241, -16578871, -1851684743, 236706675617, 48609995386849, -8951725537756135, -3042019551814333400, 738962020041708700000, 3.877824269034494e+23, -1.1685864096563047e+26, -9.032881287496308e+28 ]
[ "sign" ]
A213104
[ 1, 1, 5, 40, 360, 3820, 43651, 543240, 7146185, 98885725, 1420274645, 21037156031, 319127602075, 4935547265370, 77525696636995, 1233356748777015, 19829269320322344, 321631227310756860, 5255920261950787000, 86436636022328330000, 1.429253483704686e+21 ]
[ "sign" ]
A115450
[ 1, 2, -1, 4, -3, 1, 8, -6, 3, -1, 16, -12, 7, -3, 1, 32, -24, 14, -7, 3, -1, 64, -48, 28, -15, 7, -3, 1, 128, -96, 56, -30, 15, -7, 3, -1, 256, -192, 112, -60, 31, -15, 7, -3, 1, 512, -384, 224, -120, 62, -31, 15, -7, 3, -1, 1024, -768, 448, -240, 124, -63, 31, -15, 7, -3, 1, 2048, -1536, 896, -480, 248, -126, 63, -31, 15, -7, 3 ]
[ "easy", "sign", "tabl" ]
A284658
[ 1, 3, 4, 7, 8, 10, 12, 13, 15, 17, 18, 21, 22, 24, 25, 27, 28, 31, 32, 34, 36, 37, 40, 41, 43, 45, 46, 49, 50, 52, 53, 55, 56, 59, 60, 62, 64, 65, 67, 69, 70, 73, 74, 76, 78, 79, 81, 83, 84, 87, 88, 90, 91, 93, 94, 97, 98, 100, 102, 103, 105, 107, 108, 111 ]
[ "nonn", "easy" ]
A259276
[ 1, 6, 30, 186, 1110, 6630, 39846, 239010, 1433910, 8603790, 51622446, 309733890, 1858404990, 11150428470, 66902565630, 401415404586, 2408492418870, 14450954480790, 86705726950470, 520234361647890, 3121406169699270, 18728437018590370, 112370622111206670, 674223732666113000 ]
[ "nonn" ]
A091569
[ 1, 3, 5, 7, 9, 11, 13, 15, 8, 6, 4, 2, 12, 10, 36, 34, 32, 30, 28, 26, 24, 22, 20, 18, 16, 14, 52, 50, 48, 35, 33, 31, 29, 27, 25, 23, 21, 19, 17, 64, 62, 60, 40, 38, 148, 146, 144, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83 ]
[ "easy", "nonn" ]
A079043
[ 1, 8, 15, 22, 29, 36, 43, 50, 57, 64, 71, 78, 85, 92, 99, 106, 219, 332, 445, 558, 671, 784, 897, 1010, 1123, 1236, 1349, 1462, 1575, 1688, 1801, 1914, 2027, 2140, 2253, 2366, 2479, 2592, 2705, 2818, 2931, 3044, 3157, 3270, 3383, 3496, 3609, 3722, 3835, 3948 ]
[ "nonn" ]
A153283
[ 2, 3, 3, 2, 14, 2, 2, 25, 25, 2, 2, 36, 86, 36, 2, 2, 47, 194, 194, 47, 2, 2, 56, 304, 734, 304, 56, 2, 2, 69, 410, 3412, 410, 69, 2, 2, 80, 518, 5961, 5961, 518, 80, 2 ]
[ "nonn", "tabl" ]
A093302
[ 0, 2, 20, 150, 1256, 12650, 151932, 2127230, 34035920, 612646866, 12252937700, 269564629862, 6469551117240, 168208329048890, 4709833213369676, 141294996401091150, 4521439884834918000, 153728956084387220000 ]
[ "easy", "nonn" ]
A164870
[ 1, 2, 6, 22, 84, 320, 1212, 4576, 17256, 65048, 245184, 924160, 3483408, 13129952, 49490592, 186544480, 703140672, 2650342784, 9989916864, 37654917376, 141932392320, 534984681344, 2016513669120, 7600829555200, 28649748728064, 107989278831104, 407043163037184 ]
[ "nonn", "easy" ]
A288515
[ 1, 1, 0, 1, 2, 0, 1, 4, 4, 0, 1, 6, 12, 8, 0, 1, 8, 24, 32, 14, 0, 1, 10, 40, 80, 76, 24, 0, 1, 12, 60, 160, 234, 168, 40, 0, 1, 14, 84, 280, 552, 624, 352, 64, 0, 1, 16, 112, 448, 1110, 1712, 1552, 704, 100, 0, 1, 18, 144, 672, 2004, 3912, 4896, 3648, 1356, 154, 0, 1, 20, 180, 960, 3346, 7896, 12600, 13120, 8184, 2532, 232, 0 ]
[ "nonn", "tabl" ]
A054553
[ 2, 5, 41, 127, 269, 467, 751, 1093, 1523, 2027, 2621, 3299, 4007, 4861, 5749, 6763, 7867, 9041, 10273, 11719, 13121, 14723, 16319, 18061, 19963, 21851, 23857, 26021, 28289, 30661, 33029, 35531, 38201, 40993, 43759, 46751, 49789, 52957, 56197 ]
[ "easy", "nonn" ]
A228525
[ 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 2, 3, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 3, 1, 1, 1, 2, 2, 2, 1, 3, 4, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 3, 1, 1, 1, 1, 2, 1, 2, 2, 1, 1, 3, 1, 4, 1, 1, 1, 1, 2, 2, 1, 2, 1, 2, 2, 3, 2, 1, 1, 3, 2, 3, 1, 4, 5, 1, 1, 1, 1, 1, 1 ]
[ "nonn", "tabf" ]
A068144
[ 36, 66, 136, 153, 378, 666, 1128, 1378, 1711, 2145, 3003, 3321, 3655, 3741, 3916, 4656, 6105, 6216, 6328, 6786, 6903, 10153, 11325, 11628, 11781, 13366, 13861, 16110, 19110, 21115, 21321, 21528, 32131, 33153, 35511, 35778, 36315, 39903 ]
[ "nonn", "base" ]
A061424
[ 7, 59, 68, 77, 86, 95, 399, 489, 498, 579, 588, 597, 669, 678, 687, 696, 759, 768, 777, 786, 795, 849, 858, 867, 876, 885, 894, 939, 948, 957, 966, 975, 984, 993, 1999, 2899, 2989, 2998, 3799, 3889, 3898, 3979, 3988, 3997, 4699, 4789, 4798, 4879, 4888, 4897 ]
[ "nonn", "base", "easy" ]
A182718
[ 1, 2, 3, 4, 2, 5, 3, 6, 3, 4, 2, 7, 4, 5, 3, 8, 4, 5, 6, 3, 4, 2, 9, 5, 6, 3, 7, 4, 5, 3 ]
[ "nonn", "tabf" ]
A032530
[ 1193, 1259, 1283, 1559, 1583, 1933, 3319, 3391, 3583, 3719, 3821, 3851, 3853, 3911, 7529, 9133, 9173, 9257, 9521, 9551 ]
[ "nonn", "fini", "full", "base" ]
A051836
[ 0, 1, 8, 33, 98, 238, 504, 966, 1716, 2871, 4576, 7007, 10374, 14924, 20944, 28764, 38760, 51357, 67032, 86317, 109802, 138138, 172040, 212290, 259740, 315315, 380016, 454923, 541198, 640088, 752928, 881144, 1026256, 1189881, 1373736, 1579641, 1809522, 2065414 ]
[ "nonn", "easy" ]
A279083
[ 1, 3, 4, 6, 8, 12, 16, 18, 20, 24, 28, 30, 32, 36, 40 ]
[ "nonn", "more" ]
A101839
[ 0, 5, 10, 12, 18, 22, 66, 107, 117, 175, 672, 779, 1087, 1218, 1655, 6244, 10738, 12589, 17512, 25999, 32543, 53273 ]
[ "nonn", "hard", "more" ]
A133018
[ 1, 1, 4, 27, 625, 16807, 1771561, 170859375, 54875873536, 19683000000000, 17080198121677824, 16985107389382394000, 4.3439888521963585e+22, 1.1380932804332894e+26, 6.678405098358909e+29, 4.8160392445988896e+33 ]
[ "nonn" ]
A145726
[ 1, -1, 0, 0, -1, 1, 0, -1, 0, 1, 0, 0, 1, -2, 1, 2, -3, 1, 1, -2, 3, 0, -3, 1, 2, -2, 0, 2, -6, 3, 4, -7, 3, 2, -5, 6, 2, -8, 3, 5, -6, 2, 4, -12, 7, 10, -15, 6, 5, -13, 12, 4, -18, 7, 11, -14, 6, 10, -24, 14, 20, -32, 12, 12, -29, 24, 9, -36, 15, 22, -30, 13, 22, -50, 27, 36, -63, 26, 24, -56, 45, 22, -69, 30, 42, -62, 27 ]
[ "sign" ]
A275008
[ 8, 6, 1, 7, 3, 3, 3, 2, 6, 2, 1, 4, 5, 1, 7, 7, 4, 3, 3, 6, 6, 3, 6, 5, 9, 3, 3, 4, 0, 8, 0, 6, 3, 9, 2, 0, 1, 2, 3, 3, 0, 3, 9, 5, 7, 7, 5, 8, 2, 5, 5, 5, 1, 0, 7, 9, 6, 5, 7, 0, 5, 1, 0, 9, 6, 4, 0, 2, 3, 9, 5, 7, 9, 2, 2, 7, 3, 1, 7, 5, 7, 9, 2, 6, 7, 6, 0 ]
[ "nonn", "cons", "easy" ]
A051546
[ 0, 0, 1, 24, 431, 7155, 117454, 1961470, 33775244, 603682596, 11235811536, 218055250512, 4413843664416, 93156324734304, 2048591287486080, 46898664421553280, 1116592842912341800, 27618683992928743000 ]
[ "easy", "nonn" ]
A100092
[ 1, 1, 1, 2, 1, 1, 1, 4, 2, 1, 6, 1, 1, 11, 4, 2, 1, 11, 6, 1, 1, 28, 11, 4, 2, 1, 35, 11, 6, 1, 1, 65, 28, 11, 4, 2, 1, 73, 35, 11, 6, 1, 1, 147, 65, 28, 11, 4, 2, 1, 182, 73, 35, 11, 6, 1, 1, 321, 147, 65, 28, 11, 4, 2, 1, 374, 182, 73, 35, 11, 6, 1, 1, 678, 321, 147, 65, 28, 11, 4, 2, 1 ]
[ "nonn" ]
A027184
[ 5, 15, 21, 29, 38, 47, 69, 78, 95, 125, 132, 159, 181, 197, 236, 239, 285, 335, 370, 389, 395, 447, 492, 509, 523, 553, 575, 645, 719, 797, 874, 879, 895, 965, 1035, 1048, 1055, 1109, 1149, 1247, 1349, 1450, 1455, 1506, 1565, 1633, 1679, 1797, 1874, 1919, 1945, 2000 ]
[ "nonn" ]
A354237
[ 1, 1, 0, 2, -8, 64, -592, 6768, -90624, 1395840, -24292608, 471453696, -10094066688, 236340378624, -6007053852672, 164713554069504, -4846361933021184, 152300800682754050, -5091189648734749000, 180386551596145500000, -6.752521487083688e+21 ]
[ "sign" ]
A146782
[ 1, 1, 1, 1, 1, 13, 49, 239, 1173, 4715, 31587, 301011, 3297233, 42878373, 733059585, 14504194097 ]
[ "nonn" ]
A087042
[ 2, 9, 9, 6, 3, 4, 7, 2, 5, 7, 9, 2, 9, 8, 4, 9, 3, 4, 6, 7, 8, 1, 1, 9, 7, 4, 2, 2, 5, 5, 1, 5, 0, 0, 6, 6, 7, 6, 4, 7, 1, 4, 6, 8, 8, 4, 1, 8, 3, 7, 5, 8, 6, 8, 8, 9, 6, 7, 5, 7, 3, 2, 5, 9, 9, 3, 5, 0, 1, 3, 8, 9, 9, 6, 2, 3, 4, 3, 1, 3, 5, 0, 6, 5, 0, 2, 8, 2, 5, 3, 6, 9, 9, 4, 1, 8, 2, 4, 7, 2 ]
[ "cons", "nonn" ]
A307847
[ 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 9, 7, 1, 1, 1, 19, 25, 19, 1, 1, 1, 33, 55, 145, 51, 1, 1, 1, 51, 97, 595, 561, 141, 1, 1, 1, 73, 151, 1729, 2611, 2841, 393, 1, 1, 1, 99, 217, 4051, 8001, 22141, 12489, 1107, 1, 1, 1, 129, 295, 8209, 19251, 105441, 119449, 60705, 3139, 1 ]
[ "nonn", "tabl" ]
A361874
[ 2, 25, 171, 1592, 37975, 928624, 8412687, 106390624, 2306890624, 37119730112, 429122890624, 23027923554687 ]
[ "nonn", "more" ]
A084932
[ 5, 7, 13, 19, 23, 31, 43, 73, 83, 103, 109, 139, 199, 229, 283, 313, 463, 503, 619, 829, 859, 883, 1093, 1303, 1429, 1453 ]
[ "easy", "nonn" ]
A348255
[ 1, 2, 3, 4, 5, 10, 11, 20, 24, 52, 53, 116, 172, 371, 2662, 3226, 4800, 9546, 9804, 14171, 69148, 71863, 325494, 333873, 698509, 2262261, 15387377, 40004428, 40813283, 64314104, 550623089, 847235953, 897871194, 1259250335 ]
[ "nonn" ]
A341942
[ 2, 6, 3, 9, 0, 9, 6, 0, 4, 1, 7, 8, 6, 6, 4, 8, 3, 2, 0, 5, 3, 0, 8, 8, 8, 9, 7, 5, 5, 8, 2, 5, 3, 7, 1, 9, 1, 5, 0, 9, 2, 0, 6, 7, 4, 8, 6, 2, 2, 9, 7, 4, 8, 4, 9, 0, 7, 9, 8, 2, 3, 3, 1, 5, 3, 3, 4, 0, 0, 2, 6, 9, 6, 2, 9, 3, 8, 1, 9, 6, 9, 4, 3, 8, 0, 6, 7, 7, 6, 1, 6, 3, 0, 7, 4, 1, 0, 0, 2, 0, 2, 1, 2, 0, 2 ]
[ "nonn", "cons" ]
A146761
[ 0, 0, 6, 6, 3, 3, 0, 0, 6, 6, 3, 3, 0, 0, 6, 6, 3, 3, 0, 0, 6, 6, 3, 3, 0, 0, 6, 6, 3, 3, 0, 0, 6, 6, 3, 3, 0, 0, 6, 6, 3, 3, 0, 0, 6, 6, 3, 3, 0, 0, 6, 6, 3, 3, 0, 0, 6, 6, 3, 3, 0, 0, 6, 6, 3, 3, 0, 0, 6, 6, 3, 3, 0, 0, 6, 6, 3, 3, 0, 0, 6, 6, 3, 3, 0, 0, 6 ]
[ "nonn", "easy" ]
A226873
[ 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 3, 1, 0, 1, 1, 3, 4, 1, 0, 1, 1, 3, 10, 11, 1, 0, 1, 1, 3, 10, 23, 16, 1, 0, 1, 1, 3, 10, 47, 66, 42, 1, 0, 1, 1, 3, 10, 47, 126, 222, 64, 1, 0, 1, 1, 3, 10, 47, 246, 522, 561, 163, 1, 0, 1, 1, 3, 10, 47, 246, 882, 1821, 1647, 256, 1, 0 ]
[ "nonn", "tabl" ]
A251146
[ 213, 299, 433, 667, 1061, 1743, 2925, 5003, 8689, 15307, 27317, 49359, 90237, 166811, 311569, 587515, 1117445, 2141775, 4132941, 8022251, 15650353, 30663019, 60294293, 118919247, 235137501, 465904763, 924738385, 1838035483, 3657558629 ]
[ "nonn" ]
A265019
[ 1, 1, 2, 3, 3, 5, 8, 16, 4, 7, 12, 40, 34, 50, 125, 5, 9, 16, 55, 73, 132, 281, 351, 307, 432, 1296, 6, 11, 20, 70, 96, 212, 469, 642, 1020, 1361, 3294, 3305, 3910, 3506, 4802, 16807, 7, 13, 24, 85, 119, 267, 644, 959, 1567, 2686, 5570, 7109, 11890, 13234 ]
[ "nonn", "tabf" ]
A231125
[ 2, 8, 40, 176, 808, 3584, 16368, 72640, 331648, 1471872, 6719936, 29823488, 136161152, 604291584, 2758934016, 12244319232, 55902265856, 248097701888, 1132706802688, 5027022614528, 22951211032576, 101858889359360 ]
[ "nonn" ]
A222206
[ 2, 11, 349, 13691, 24329 ]
[ "nonn", "more" ]
A208016
[ 16, 256, 784, 4489, 15376, 43264, 167281, 609961, 1974025, 6927424, 24750625, 84456100, 291931396, 1024704121, 3549895561, 12285283921, 42796024384, 148698928225, 515713569424, 1792246207504, 6227984421649, 21622397700121 ]
[ "nonn" ]
A309194
[ 1, 1, 2, 3, 5, 7, 11, 15, 22, 29, 40, 51, 67, 82, 105, 125, 154, 180, 218, 250, 295, 334, 390, 436, 502, 553, 630, 694, 780, 849, 950, 1027, 1138, 1230, 1355, 1447, 1590, 1694, 1846, 1971, 2133, 2257, 2445, 2579, 2776, 2932, 3142, 3298, 3539, 3702, 3941, 4139 ]
[ "nonn" ]
A032245
[ 1, 1, 1, 2, 2, 3, 4, 6, 10, 19, 35, 68, 133, 259, 500, 976, 1868, 3609, 6911, 13296, 25456, 48925, 93786, 180326, 346432, 667009, 1284331, 2477342, 4781021, 9240027, 17870724, 34604082, 67058896, 130085007, 252545177, 490722360 ]
[ "nonn" ]
A262342
[ 10, 65, 442, 3026, 20737, 142130, 974170, 6677057, 45765226, 313679522, 2149991425, 14736260450, 101003831722, 692290561601, 4745030099482, 32522920134770, 222915410843905, 1527884955772562, 10472279279564026, 71778070001175620, 491974210728665300, 3372041405099481600 ]
[ "nonn", "easy" ]
A385919
[ 1, 1, 6, 6930, 12257280, 526915620, 1132835421602062300 ]
[ "nonn", "more" ]
A217979
[ 10, 10, 100, 362, 1942, 8872, 43258, 205446, 986288, 4714274, 22573862, 108013892, 516992146, 2474201538, 11841537864, 56672476422, 271231398802, 1298094250056, 6212595977182, 29733069165822, 142300516403984, 681040858862718 ]
[ "nonn" ]
A248253
[ 5, 11, 124, 21784, 767400293, 1762025132544872000, 3.756028786746097e+36, 4.2736560346010944e+73 ]
[ "nonn" ]
A028705
[ 1, 0, 0, 0, 8, 0, 0, 0, 24, 0, 0, 0, 40, 32, 0, 0, 88, 192, 0, 0, 240, 416, 0, 0, 376, 640, 384, 0, 448, 1728, 1536, 0, 984, 3520, 2304, 0, 1680, 4096, 4608, 2048, 1552, 6912, 11136, 4096, 2400, 13088, 13824, 6144 ]
[ "nonn" ]