id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A151918
[ 0, 3, 1, 17, 13, 11, 7, 5, 1, 91, 89, 83, 79, 77, 73, 67, 61, 59, 53, 49, 47, 41, 37, 31, 23, 19, 17, 13, 11, 7, 593, 589, 583, 581, 571, 569, 563, 557, 553, 547, 541, 539, 529, 527, 523, 521, 509, 497, 493, 491, 487, 481, 479, 469, 463, 457, 451, 449, 443, 439, 437 ]
[ "easy", "nonn" ]
A132554
[ 4, 17, 21810, 8017852621, 1.1959992157793865e+21, 2.434215638441263e+42, 8.620987994724191e+84 ]
[ "frac", "nonn" ]
A303118
[ 0, 1, 1, 2, 4, 2, 1, 4, 4, 1, 2, 16, 6, 16, 2, 4, 16, 49, 49, 16, 4, 3, 49, 66, 169, 66, 49, 3, 4, 81, 225, 576, 576, 225, 81, 4, 8, 169, 640, 2601, 2622, 2601, 640, 169, 8, 9, 324, 1681, 10000, 14400, 14400, 10000, 1681, 324, 9, 10, 625, 4641, 38416, 81055, 137641, 81055, 38416, 4641, 625, 10 ]
[ "nonn", "tabl" ]
A079449
[ 2, 5, 7, 11, 13, 23, 41, 47, 59, 61, 73, 83, 89, 107, 109, 137, 157, 167, 179, 193, 227, 229, 233, 241, 263, 271, 277, 313, 337, 347, 349, 359, 373, 379, 383, 409, 433, 449, 457, 461, 467, 479, 503, 563, 569, 587, 709, 719, 733, 809, 821, 839, 853, 857, 863 ]
[ "nonn" ]
A252669
[ 1, 3, 2, 13, 8, 31, 3, 5, 32, 91, 50, 17, 4, 183, 98, 241, 12, 7, 162, 381, 5, 75, 30, 553, 288, 651, 46, 129, 392, 23, 6, 9, 76, 55, 578, 1261, 100, 47, 722, 1561, 17, 311, 7, 105, 968, 27, 18, 413, 1152, 11, 1250, 489, 228, 2863, 34, 3081, 8, 615, 1682, 217, 1800, 707 ]
[ "nonn" ]
A035367
[ 1, 1, 1, 1, 2, 3, 3, 3, 3, 5, 7, 8, 8, 8, 11, 15, 17, 18, 18, 23, 30, 35, 37, 38, 45, 57, 66, 71, 73, 85, 104, 121, 131, 136, 153, 184, 212, 231, 241, 268, 315, 363, 396, 416, 456, 528, 603, 661, 696, 758, 865, 984, 1078, 1141, 1233, 1392, 1572, 1724, 1828, 1970 ]
[ "nonn" ]
A075606
[ 12, 24, 12, 48, 5015, 24, 168, 2136, 18, 0, 132, 48, 1495, 2072, 5025, 2192, 1156, 216, 2166, 0, 168, 264, 3358, 2136, 5275, 2496, 1998, 4256, 2784, 0, 1178, 2304, 132, 4386, 5075, 216, 1332, 2166, 1677, 0, 1066, 2436, 13803, 2156, 5085, 4968, 1692, 2304 ]
[ "base", "nonn" ]
A320280
[ 1, 1, 1, 1, 4, 1, 1, 15, 9, 1, 1, 66, 66, 16, 1, 1, 365, 500, 190, 25, 1, 1, 2528, 4215, 2150, 435, 36, 1, 1, 21259, 40355, 25235, 6825, 861, 49, 1, 1, 210430, 438256, 317632, 105910, 17836, 1540, 64, 1, 1, 2393769, 5352534, 4338264, 1693734, 352926, 40656, 2556, 81, 1 ]
[ "nonn", "tabl" ]
A383750
[ 1, 2, 4, 6, 8, 10, 11, 13, 15, 17, 19, 20, 22, 24, 26, 28, 29, 31, 33, 35, 37, 38, 40, 42, 44, 46, 47, 49, 51, 53, 55, 57, 58, 60, 62, 64, 66, 68, 69, 71, 73, 75, 77, 78, 80, 82, 84, 86, 87, 89, 91, 93, 95, 96, 98, 100, 102, 104, 105, 107, 109, 111, 113, 115, 116, 118, 120 ]
[ "nonn" ]
A055650
[ 1, 3, 14, 42, 76, 376, 3608, 163712, 163944, 196128, 277688, 491136, 833064, 849120, 905814, 911008, 1080328, 1653520, 1847898, 1935128, 2733024, 3145216, 3240984, 4586240, 4734736, 4960560, 5805384, 13758720, 16582752, 25244956, 34961040, 38521440, 48177990, 56240352 ]
[ "nonn" ]
A030622
[ 24, 81, 63, 26, 41, 28, 25, 65, 12, 10, 24, 20, 48, 40, 96, 81, 92, 16, 38, 43, 27, 68, 65, 53, 61, 31, 7, 22, 62, 14, 45, 24, 28, 81, 4, 85, 76, 20, 97, 15, 24, 19, 43, 4, 83, 88, 60, 81, 67, 77, 21, 63, 35, 54, 43, 26, 71, 8, 86, 41, 34, 21, 77, 28, 26, 84, 35, 45, 65 ]
[ "nonn", "base", "easy" ]
A043397
[ 1, 7, 9, 10, 11, 12, 13, 15, 22, 29, 36, 43, 49, 51, 52, 53, 54, 55, 63, 65, 66, 67, 68, 69, 70, 72, 73, 74, 75, 76, 77, 79, 80, 81, 82, 83, 84, 86, 87, 88, 89, 90, 91, 93, 94, 95, 96, 97, 99, 105, 107, 108, 109, 110, 111, 113, 120, 127 ]
[ "nonn", "base" ]
A139654
[ 277, 337, 373, 673, 757, 1093, 1117, 1213, 1297, 1381, 1429, 1453, 1621, 1873, 1933, 2053, 2389, 2473, 2521, 2557, 2713, 2857, 3301, 3613, 3637, 4057, 4657, 4729, 4813, 4957, 4993, 5209, 5581, 5737, 5749, 5821, 6133, 6217, 6301, 6421 ]
[ "nonn", "easy" ]
A153830
[ 0, 1, 3, 7, 15, 21, 27, 46, 92, 114, 149, 169, 225, 251, 299, 400, 638, 753, 1233, 1348, 1705, 1823, 1992, 2097, 2335, 2451, 2995, 3128, 3485, 3607, 3677, 3771, 4214, 4307, 4631, 5254, 6692, 7393, 10287, 10988, 13145, 13860, 20353, 21054 ]
[ "nonn" ]
A362438
[ 2, 6, 13, 24, 41, 68, 113, 192, 337, 612, 1145, 2192, 4265, 8388, 16609, 33024, 65825, 131396, 262505, 524688, 1049017, 2097636, 4194833, 8389184, 16777841, 33555108, 67109593, 134218512, 268436297, 536871812, 1073742785, 2147484672, 4294968385, 8589935748, 17179870409, 34359739664, 68719478105, 137438954916 ]
[ "nonn", "easy" ]
A181085
[ 1, 3, 25, 327, 6336, 513657, 142074241, 52903930911, 36806786795365, 148308705637730720, 1.3189548287110123e+21, 1.5279013243159346e+25, 5.341049824048078e+29, 9.774913474204236e+34 ]
[ "nonn" ]
A184187
[ 0, 1, -1, 0, 1, -4, -6, 0, 1, -4, -6, 0, 1, -12, -32, -20, 0, 1, -12, -32, -20, 0, 1, -12, -28, -15, 0, 1, -12, -28, -15, 0, 1, -32, -120, -140, -50, 0, 1, -32, -120, -140, -50, 0, 1, -32, -120, -140, -50, 0, 1, -32, -112, -116, -38, 0, 1, -32, -112, -116, -38, 0, 1, -32, -112, -116, -38, 0, 1 ]
[ "sign", "tabf" ]
A053453
[ 1, 1, 6, 1, 2, 6, 16, 18, 6, 22, 3, 28, 15, 2, 3, 6, 5, 21, 46, 42, 16, 13, 18, 58, 60, 6, 33, 22, 35, 8, 6, 13, 9, 41, 28, 44, 6, 15, 96, 2, 4, 34, 53, 108, 3, 112, 6, 48, 22, 5, 42, 21, 130, 18, 8, 46, 46, 6, 42, 148, 75, 16, 78, 13, 66, 81, 166, 78, 18, 43, 58, 178, 180, 60 ]
[ "dead" ]
A276712
[ 1, 5, 0, 2, 5, 7, 1, 1, 2, 8, 9, 4, 9, 4, 9, 2, 8, 5, 6, 7, 4, 9, 6, 7, 2, 7, 0, 1, 8, 8, 9, 3, 1, 2, 4, 8, 8, 4, 5, 6, 2, 3, 2, 8, 6, 5, 4, 2, 5, 6, 2, 3, 6, 0, 2, 2, 4, 0, 3, 3, 9, 4, 4, 4, 1, 7, 7, 2, 9, 7, 7, 5, 7, 2, 3, 2, 8, 9 ]
[ "nonn", "cons" ]
A382886
[ 1, 3, 21, 154, 1248, 10710, 95751, 882297, 8320812, 79927938, 779303829, 7692585186, 76726084742, 772066751871, 7828529324175, 79908510600542, 820435635949686, 8467306916189517, 87791572491261920, 914032693961190400, 9552050623400554000, 100162810727306410000 ]
[ "nonn" ]
A056908
[ 0, 2, 4, 5, 7, 9, 14, 19, 22, 24, 29, 30, 34, 40, 42, 44, 50, 59, 62, 70, 72, 74, 75, 79, 80, 82, 84, 95, 102, 110, 119, 125, 132, 135, 139, 149, 150, 157, 160, 165, 172, 180, 197, 199, 200, 209, 210, 212, 224, 225, 227, 229, 230, 232, 235, 240, 244, 249 ]
[ "nonn", "easy" ]
A187200
[ 1, 1, 2, 2, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5, 5, 4, 5, 5, 6, 6, 5, 5, 6, 6, 7, 7, 7, 8, 7, 6, 8, 9, 6, 6, 10, 7, 8, 8, 7, 8, 7, 11, 7, 9, 8, 9, 8, 10, 9, 8, 9, 8, 9, 9, 9, 12, 10, 10, 9, 10, 9, 11, 10, 13, 12, 10, 10, 11, 11, 11, 10, 11, 11, 14, 11, 12, 12, 11, 13, 10, 12, 12, 11, 12, 13, 12, 13, 14, 13, 11, 13, 14, 15, 14, 13, 16, 15, 12, 12, 17 ]
[ "nonn" ]
A310841
[ 1, 4, 7, 14, 15, 22, 24, 32, 34, 40, 41, 50, 47, 58, 56, 68, 67, 76, 75, 82, 86, 88, 94, 100, 101, 110, 109, 120, 114, 130, 125, 134, 135, 142, 148, 148, 156, 160, 161, 168, 167, 182, 172, 192, 187, 194, 195, 202, 208, 204 ]
[ "nonn" ]
A322430
[ 3, 7, 11, 13, 15, 18, 19, 23, 27, 28, 29, 31, 35, 38, 39, 43, 45, 47, 48, 51, 53, 55, 59, 61, 62, 63, 67, 68, 71, 73, 75, 77, 78, 79, 83, 84, 87, 88, 91, 93, 95, 98, 99, 103, 106, 107, 109, 111, 113, 115, 117, 118, 119, 123, 125, 127, 128, 130, 131, 135, 138, 139, 141 ]
[ "nonn" ]
A208570
[ 2, 6, 6, 12, 10, 12, 14, 24, 18, 30, 22, 60, 26, 42, 30, 48, 34, 36, 38, 60, 42, 66, 46, 120, 50, 78, 54, 84, 58, 60, 62, 96, 66, 102, 70, 180, 74, 114, 78, 120, 82, 84, 86, 132, 90, 138, 94, 240, 98, 150, 102, 156, 106, 108, 110, 168, 114, 174, 118, 420, 122 ]
[ "nonn" ]
A334641
[ 0, 0, 0, 43, 108, 444, 2099, 10683, 56994, 314296, 1776519, 10236081, 59892690, 354886920, 2125117332, 12839859620, 78176677734, 479177993904, 2954360065247, 18309779343549, 114001476318240, 712751759478780, 4472908385838795, 28165267333869436 ]
[ "nonn", "easy" ]
A383791
[ 1, 8, 81, 96, 625, 324, 2401, 1280, 19683, 2500, 14641, 3888, 28561, 9604, 50625, 17920, 83521, 19683, 130321, 30000, 194481, 58564, 279841, 51840, 1171875, 114244, 2657205, 115248, 707281, 101250, 923521, 258048, 1185921, 334084, 1500625, 236196, 1874161, 521284, 2313441 ]
[ "nonn", "frac" ]
A147213
[ 1, 1, 1, 1, 1, 1, 1, 3, 9, 19, 39, 117, 361, 955, 3303, 16663, 85069, 434621, 2513479, 17082851, 120871405, 925679621 ]
[ "nonn" ]
A341302
[ 1, 3, 9, 32, 147, 844, 5765, 45366, 403207, 3991688, 43545609, 518918410, 6706022411, 93405312012, 1394852659213, 22230464256014, 376610217984015, 6758061133824016, 128047474114560020, 2554547108585472000, 53523844179886080000, 1.1750916699493171e+21 ]
[ "nonn" ]
A284084
[ 1, 0, 100, 0, 11100, 101000, 100100, 10000000, 1111100, 1010101000, 1010100100, 101010000000, 101001111100, 10100010101000, 10010010100100, 1000000010000000, 111110001111100, 101010101010101000, 101010101010100100, 10101010101010000000, 10101010101001112000 ]
[ "nonn", "easy" ]
A234490
[ 62, 242, 242, 944, 926, 944, 3686, 3540, 3540, 3686, 14402, 13554, 13260, 13554, 14402, 56312, 51950, 49784, 49784, 51950, 56312, 220334, 199340, 187196, 183422, 187196, 199340, 220334, 862706, 765738, 705072, 677138, 677138, 705072, 765738 ]
[ "nonn", "tabl" ]
A197513
[ 2, 4, 0, 5, 2, 3, 3, 7, 0, 3, 8, 7, 7, 0, 3, 6, 5, 3, 6, 0, 3, 8, 1, 1, 2, 8, 0, 2, 5, 2, 2, 8, 2, 7, 2, 4, 6, 0, 2, 6, 4, 4, 9, 5, 6, 3, 9, 6, 4, 4, 8, 2, 0, 1, 5, 0, 2, 8, 6, 6, 8, 2, 4, 5, 4, 3, 2, 2, 4, 5, 9, 6, 2, 3, 0, 7, 1, 7, 7, 3, 8, 0, 7, 2, 7, 9, 9, 8, 0, 9, 0, 1, 1, 6, 1, 1, 3, 8, 6 ]
[ "nonn", "cons" ]
A129873
[ 2, 3, 8, 13, 38, 64, 196, 337, 1062, 1851, 5948, 10468, 34120, 60488, 199316, 355369, 1181126, 2115577, 7080928, 12731141, 42860534, 77306428, 261542752, 473018396, 1607076200, 2913321828, 9934255472, 18045744424, 61732449648, 112340143632 ]
[ "nonn" ]
A205185
[ 1, 8, 9, 8, 1, 0, 1, 8, 9, 8, 1, 0, 1, 8, 9, 8, 1, 0, 1, 8, 9, 8, 1, 0, 1, 8, 9, 8, 1, 0, 1, 8, 9, 8, 1, 0, 1, 8, 9, 8, 1, 0, 1, 8, 9, 8, 1, 0, 1, 8, 9, 8, 1, 0, 1, 8, 9, 8, 1, 0, 1, 8, 9, 8, 1, 0, 1, 8, 9, 8, 1, 0, 1, 8, 9, 8, 1, 0, 1, 8, 9, 8, 1, 0, 1, 8 ]
[ "nonn", "easy" ]
A007415
[ 0, 1, -1, 3, 0, -30, 90, -630, 0, 22680, -113400, 1247400, 0, -97297200, 681080400, -10216206000, 0, 1389404016000, -12504636144000, 237588086736000, 0, -49893498214560000, 548828480360160000, -12623055048283680000, 0, 3.786916514485104e+21 ]
[ "sign" ]
A178911
[ 1, 6, 120, 198, 3696, 6240, 32640, 56160, 1941408, 3592200, 8119800, 15628032, 27125280, 59032080, 61788240, 125859840, 1635834720, 2147450880, 3709081680, 16328199552, 26198072160, 52344970080, 52396088160, 209584184160, 210197601120, 236223190200, 237385437360 ]
[ "nonn", "base" ]
A153480
[ 4, 14, 46, 94, 238, 334, 574, 718, 1054, 1678, 1918, 2734, 3358, 3694, 4414, 5614, 6958, 7438, 8974, 10078, 10654, 12478, 13774, 15838, 18814, 20398, 21214, 22894, 23758, 25534, 32254, 34318, 37534, 38638, 44398, 45598, 49294, 53134, 55774 ]
[ "nonn" ]
A121899
[ 0, 6, 9, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 22, 23, 24, 25, 25, 26, 27, 27, 28, 29, 29, 30, 30, 31, 32, 32, 33, 33, 34, 34, 35, 35, 36, 36, 37, 37, 38, 38, 38, 39, 39, 40, 40, 41, 41, 42, 42, 42, 43, 43, 44, 44, 44, 45, 45, 46, 46, 46, 47, 47, 47, 48, 48, 48, 49, 49 ]
[ "nonn", "easy" ]
A221120
[ 1, 21, 4872, 16436223, 723234356389, 429398881440049660 ]
[ "nonn" ]
A117081
[ 2753, 1979, 1277, 647, 89, -397, -811, -1153, -1423, -1621, -1747, -1801, -1783, -1693, -1531, -1297, -991, -613, -163, 359, 953, 1619, 2357, 3167, 4049, 5003, 6029, 7127, 8297, 9539, 10853, 12239, 13697, 15227, 16829, 18503, 20249, 22067, 23957, 25919, 27953, 30059, 32237, 34487, 36809, 39203, 41669 ]
[ "sign", "easy", "less" ]
A113302
[ 0, 1, 0, 1, 0, 0, 2, 2, 0, 0, 0, 0, 4, 2, 3, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 2, 2, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 2, 2, 0, 3, 4, 0, 2, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 2, 0, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 3, 0, 0, 4, 2, 2, 4, 0, 0, 3, 2, 0, 2, 0, 0, 2, 0, 0, 0, 0, 6, 2, 2, 0, 0, 2, 0, 4, 2, 0 ]
[ "nonn" ]
A106582
[ 22, 23, 25, 27, 32, 33, 35, 37, 52, 53, 55, 57, 72, 73, 75, 77, 112, 113, 115, 117, 132, 133, 135, 137, 172, 173, 175, 177, 192, 193, 195, 197, 211, 213, 217, 219, 223, 229, 231, 232, 233, 235, 237, 241, 243, 247, 253, 259, 261, 267, 271, 273, 279, 283, 289 ]
[ "base", "nonn" ]
A265069
[ 1, 3, 5, 8, 13, 21, 32, 47, 71, 108, 163, 245, 368, 555, 837, 1260, 1897, 2857, 4304, 6483, 9763, 14704, 22147, 33357, 50240, 75667, 113965, 171648, 258525, 389373, 586448, 883271, 1330327, 2003652, 3017771, 4545173, 6845648, 10310475, 15528973, 23388740, 35226617, 53056065, 79909632, 120354747, 181270579, 273018088 ]
[ "nonn", "easy" ]
A274690
[ -2, 3, 4, 5, -3, 7, -5, 9, -6, 12, -4, -7, 16, -8, 17, -10, -9, 18, -11, 23, -13, 24, -12, -14, 28, -15, -16, 26, -17, 31, -18, -20, 33, -21, 36, -22, 40, -19, -24, 42, -23, -25, 43, -26, 44, -27, -29, 45, -28, 47, -30, -31, 52, -32, 53, -34, -33, 62, -35, -37 ]
[ "sign" ]
A295342
[ 0, 0, 0, 0, 1, 1, 2, 3, 6, 8, 13, 18, 27, 37, 53, 71, 99, 131, 177, 232, 307, 397, 518, 663, 853, 1082, 1376, 1730, 2179, 2719, 3394, 4206, 5211, 6415, 7894, 9661, 11814, 14381, 17487, 21179, 25622, 30887, 37188, 44637, 53509, 63965, 76368, 90946, 108169, 128361 ]
[ "nonn" ]
A108093
[ 1, 0, 8190, 698880, -754790400, -131455134720, 90235527782400, 25034722952279040, -11631379080860107000, -4.74018069534785e+21, 1.5006203238872364e+24, 8.885277396219386e+26, -1.819956687007047e+29, -1.6446612943503636e+32 ]
[ "sign" ]
A311693
[ 1, 4, 8, 13, 16, 20, 25, 31, 34, 38, 42, 46, 51, 55, 58, 61, 67, 72, 77, 80, 84, 89, 93, 96, 100, 105, 108, 113, 118, 123, 127, 131, 134, 138, 143, 147, 151, 154, 159, 165, 170, 172, 176, 181, 185, 189, 193, 197, 201, 206 ]
[ "nonn" ]
A307024
[ 1, 2, 3, 5, 4, 9, 13, 6, 19, 25, 7, 8, 15, 23, 10, 33, 43, 11, 12, 24, 14, 16, 17, 34, 51, 85, 18, 103, 121, 20, 141, 161, 21, 22, 44, 26, 27, 53, 28, 81, 109, 29, 30, 59, 89, 31, 32, 63, 95, 35, 36, 71, 107, 37, 38, 75, 113, 39, 40, 79, 119, 41, 42, 83, 125, 45, 46, 91, 137, 47, 48, 96, 49, 145, 50, 195, 245, 52, 297, 349, 54, 403 ]
[ "base", "nonn", "look" ]
A048338
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195, 211, 422, 633, 844, 1055, 1266, 1477, 1688, 1899, 2110, 2321, 2532, 2743, 2955, 5910, 8865, 11820, 14775, 17730, 20685, 23640, 26595, 29550, 32505, 35460 ]
[ "nonn", "base", "easy" ]
A001376
[ 4, 32896, 3002399885885440, 1.4178431955039104e+37, 1.5077094952775546e+73, 1.5403720522893416e+127 ]
[ "nonn" ]
A110731
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 10, 1144, 1, 28, 10, 10, 28, 136, 1, 19, 10, 1, 1144, 7522840, 1, 28, 208, 1, 28, 3016, 10, 217, 28, 1144, 32032, 28, 1, 37, 174813842944, 208, 10, 20653750, 1, 172, 352, 1, 46, 4888, 1, 532, 10, 32032, 28, 424, 1, 55, 5824, 174813842944 ]
[ "nonn", "base" ]
A070680
[ 0, 1, 2, 2, 1, 2, 3, 2, 6, 1, 0, 2, 12, 3, 2, 4, 16, 6, 3, 2, 6, 0, 22, 2, 5, 12, 18, 6, 28, 2, 30, 8, 0, 16, 3, 6, 6, 3, 12, 2, 40, 6, 7, 0, 6, 22, 46, 4, 21, 5, 16, 12, 26, 18, 0, 6, 6, 28, 58, 2, 4, 30, 6, 16, 12, 0, 66, 16, 22, 3, 70, 6, 72, 6, 10, 6, 0, 12, 39, 4 ]
[ "nonn" ]
A323744
[ 4, 4, 21, 1, 16, 135, 2, 11, 106, 1033, 1, 6, 81, 861, 8392, 1, 6, 75, 753, 7216, 70435, 0, 2, 61, 614, 6241, 61938, 606028, 1, 6, 54, 551, 5411, 54208, 541854, 5317482, 2, 7, 49, 487, 4832, 48155, 482449, 4814936, 47374753, 0, 5, 44, 406, 4306, 43427, 434650, 4341930, 43336106, 427154205 ]
[ "nonn", "tabl" ]
A078493
[ 90, 110, 120, 140, 180, 210, 240, 290, 300, 360, 390, 410, 420, 450, 470, 480, 550, 580, 630, 660, 680, 690, 710, 720, 740, 770, 780, 790, 800, 810, 830, 860, 870, 900, 920, 930, 950, 960, 980, 1000, 1020, 1040, 1050, 1080, 1110, 1160, 1170, 1190, 1200, 1240 ]
[ "easy", "nonn", "base" ]
A387322
[ 2, 4, 7, 1, 2, 9, 0, 5, 4, 5, 6, 4, 6, 9, 7, 8, 5, 7, 5, 4, 7, 3, 2, 5, 4, 7, 9, 6, 1, 5, 5, 2, 5, 3, 7, 9, 9, 4, 8, 5, 7, 4, 9, 3, 3, 3, 0, 8, 8, 6, 0, 0, 4, 9, 0, 5, 5, 9, 0, 9, 1, 7, 6, 3, 3, 7, 9, 5, 6, 7, 4, 2, 7, 0, 4, 6, 5, 3, 8, 4, 9, 4, 3, 2, 1, 6, 9, 2, 5, 4 ]
[ "nonn", "cons", "easy" ]
A253662
[ 81, 518, 518, 3550, 3318, 3550, 23524, 25062, 25062, 23524, 157476, 181308, 241548, 181308, 157476, 1051870, 1284808, 2113406, 2113406, 1284808, 1051870, 7027770, 9172142, 17719343, 21509980, 17719343, 9172142, 7027770, 46953514, 65613880 ]
[ "nonn", "tabl" ]
A301121
[ 1, 4, 10, 20, 34, 53, 76, 102, 132, 166, 205, 249, 297, 349, 404, 462, 526, 597, 673, 751, 829, 912, 1004, 1102, 1202, 1301, 1404, 1516, 1634, 1754, 1874, 1998, 2130, 2268, 2408, 2549, 2694, 2846, 3004, 3164, 3325, 3491, 3665, 3845, 4026, 4206, 4392 ]
[ "nonn" ]
A281685
[ 4, 16, 18, 20, 21, 24, 26, 27, 33, 35, 38, 40, 44, 45, 48, 50, 51, 52, 56, 57, 62, 63, 65, 68, 69, 74, 75, 76, 77, 80, 85, 86, 91, 92, 93, 95, 96, 98, 99, 104, 106, 108, 111, 115, 117, 119, 122, 123, 126, 129, 133, 134, 135, 136, 141, 143, 144, 145, 146, 147 ]
[ "nonn" ]
A287361
[ 1, 4, 13, 16, 19, 28, 37, 46, 51, 56, 59, 62, 71, 74, 77, 86, 89, 92, 101, 110, 119, 124, 129, 132, 135, 144, 153, 162, 167, 172, 175, 178, 187, 196, 205, 210, 215, 218, 221, 230, 235, 240, 243, 246, 255, 260, 265, 268, 271, 280, 283, 286, 295, 298, 301, 310 ]
[ "nonn", "easy" ]
A356807
[ 3, 7, 12, 24, 46, 89, 171, 330, 636, 1226, 2363, 4555, 8780, 16924, 32622, 62881, 121207, 233634, 450344, 868066, 1673251, 3225295, 6216956, 11983568, 23099070, 44524889, 85824483, 165432010, 318880452, 614661834, 1184798779, 2283773075, 4402114140, 8485347828 ]
[ "nonn", "easy" ]
A312909
[ 1, 4, 9, 13, 17, 23, 27, 31, 37, 41, 45, 50, 54, 58, 63, 67, 71, 77, 81, 85, 91, 95, 99, 104, 108, 112, 117, 121, 125, 131, 135, 139, 145, 149, 153, 158, 162, 166, 171, 175, 179, 185, 189, 193, 199, 203, 207, 212, 216, 220 ]
[ "nonn" ]
A062147
[ 1, 5, 31, 229, 1961, 19081, 207775, 2501801, 32989969, 472630861, 7307593151, 121247816845, 2148321709561, 40476722545169, 807927483311551, 17028146983530960, 377844723929464900, 8803698102396788000, 214877019857456660000, 5.482159931449738e+21 ]
[ "nonn", "easy" ]
A291059
[ 11, 12, 42, 163, 226, 572, 1127, 2574, 5755, 12243, 26899, 59840, 129996, 286188, 626214, 1370341, 3007341, 6596702, 14464993, 31726039, 69538570, 152469371, 334322317, 733041885, 1607340800, 3524341728, 7727466819, 16943626458, 37151150822, 81459007852 ]
[ "nonn" ]
A385829
[ 1, 4, 7, 9, 13, 16, 23, 27, 30, 31, 35, 41, 42, 49, 53, 54, 59, 63, 64, 65, 66, 67, 79, 80, 83, 85, 95, 101, 102, 105, 107, 110, 113, 114, 116, 117, 119, 121, 125, 131, 135, 136, 138, 143, 145, 150, 160, 162, 163, 169, 174, 175, 178, 187, 191, 194, 197, 199, 200, 203 ]
[ "nonn" ]
A303316
[ 8, 6, 11, 36, 50, 128, 439, 1085, 2431, 6452, 17455, 43514, 108524, 281615, 726261, 1839731, 4685152, 12025643, 30754258, 78396104, 200278695, 512290781, 1308785863, 3342222476, 8540451095, 21826102586, 55761123412, 142456533311 ]
[ "nonn" ]
A298696
[ 1, 1, 3, 28, 410, 8386, 220962, 7140736, 273712896, 12146997564, 612813677300, 34647736132384, 2170381958609592, 149223874286440540, 11173356309069883000, 905099760309260800000, 7.887001154925615e+22, 7.356892186010414e+24, 7.31435433368215e+26, 7.72163688974295e+28, 8.626428901029156e+30, 1.016792561657783e+33 ]
[ "nonn" ]
A271440
[ 2, 7, 56, 743, 30746, 773527, 49783736, 1837403019, 160181560802, 29532404308019, 1666577516860962, 360777399719461400, 45691067858241530000, 3.4774392991427314e+21, 5.189136894663711e+23, 1.4768078746823086e+26, 4.349006476944722e+28 ]
[ "nonn", "easy" ]
A309942
[ 2, 10, 11, 14, 21, 23, 29, 39, 47, 50, 53, 55, 63, 71, 73, 74, 75, 82, 86, 95, 101, 105, 113, 115, 121, 142, 147, 150, 167, 169, 179, 181, 182, 190, 199, 203, 209, 233, 235, 253, 277, 285, 303, 307, 311, 317, 335, 337, 339, 342, 343, 347, 349, 353, 355, 358 ]
[ "nonn" ]
A008936
[ 1, 2, 4, 8, 15, 28, 52, 96, 176, 320, 576, 1024, 1792, 3072, 5120, 8192, 12288, 16384, 16384, 0, -65536, -262144, -786432, -2097152, -5242880, -12582912, -29360128, -67108864, -150994944, -335544320, -738197504, -1610612736, -3489660928, -7516192768, -16106127360, -34359738368 ]
[ "sign", "easy" ]
A196440
[ 0, 0, 3, 4, 12, 11, 25, 30, 38, 49, 63, 63, 88, 99, 113, 130, 150, 161, 187, 198, 224, 247, 273, 285, 322, 345, 371, 400, 432, 455, 493, 522, 554, 589, 627, 651, 700, 735, 773, 808, 858, 893, 943, 984, 1028, 1075, 1125, 1161, 1222, 1269, 1319, 1372, 1428, 1475, 1537, 1590, 1646, 1705, 1767, 1802, 1888, 1947, 2009, 2074, 2142, 2201, 2275 ]
[ "nonn" ]
A261788
[ 1, 2, 5, 12, 30, 81, 224, 626, 1747, 4909, 13811, 38934, 109889, 310666, 880125, 2500221, 7125406, 20376598, 58472481, 168349612, 486198698, 1408140693, 4088769215, 11899761717, 34703682407 ]
[ "nonn", "more" ]
A061727
[ 1, 4, 3, 12, 6, 30, 10, 50, 15, 60, 21, 84, 28, 140, 36, 180, 45, 180, 55, 220, 66, 330, 78, 390, 91, 364, 105, 420, 120, 600, 136, 680, 153, 612, 171, 684, 190, 950, 210, 1050, 231, 924, 253, 1012, 276, 1380, 300, 1500, 325, 1300, 351, 1404, 378, 1890, 406 ]
[ "nonn", "dumb", "easy" ]
A164538
[ 5, 33, 215, 1391, 8965, 57657, 370375, 2377639, 15257765, 97891953, 627990935, 4028394431, 25840152805, 165748456137, 1063161046855, 6819395977399, 43741255696325, 280566449483073, 1799615613815255, 11543127800041872 ]
[ "nonn", "easy" ]
A140821
[ 2, 2, 4, 2, 4, 6, 6, 6, 6, 8, 8, 12, 8, 8, 10, 10, 20, 20, 10, 10, 12, 12, 60, 60, 60, 12, 12, 14, 14, 42, 70, 70, 42, 14, 14, 16, 16, 112, 112, 280, 112, 112, 16, 16, 18, 18, 72, 504, 252, 252, 504, 72, 18, 18 ]
[ "nonn", "uned", "tabf" ]
A175238
[ 5, 7, 17, 23, 53, 67, 367, 373, 383, 467, 487, 647, 773, 823, 1087, 1103, 1187, 1327, 1493, 1607, 1613, 1697, 1787, 2593, 2683, 2753, 2797, 2803, 2833, 2903, 3217, 4373, 4547, 4937, 5147, 5527, 5987, 6067, 6163, 6367, 6827, 7103, 7193, 7297, 8353, 8627 ]
[ "nonn", "easy" ]
A098298
[ 0, 1, 13, 144, 1573, 17161, 187200, 2042041, 22275253, 242985744, 2650567933, 28913261521, 315395308800, 3440435135281, 37529391179293, 409382867836944, 4465682155027093, 48713120837461080, 531378647057044800, 5796451996790031000, 63229593317633300000 ]
[ "nonn", "easy" ]
A378865
[ 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 2, 3, 2, 2, 2, 2, 2, 2, 2, 0, 3, 2, 2, 4, 4, 3, 2, 2, 2, 0, 2, 2, 2, 2, 2, 2, 3, 2, 2, 0, 2, 4, 2, 2, 2, 2, 4, 2, 12, 0, 4, 2, 2, 2, 2, 2, 2, 2, 2, 0, 4, 5, 3, 2, 2, 2, 2, 3, 2, 0, 4, 2, 2, 3, 4, 2, 2, 2, 2, 0, 3, 2, 2, 3 ]
[ "nonn", "base" ]
A212585
[ 1, 2, 4, 8, 12, 18, 26, 40, 56, 82, 112, 162, 222, 316, 432, 608, 834, 1166, 1602, 2228, 3066, 4252, 5858, 8108, 11178, 15454, 21316, 29450, 40632, 56114, 77434, 106914, 147550, 203696, 281134, 388082, 535636, 739368, 1020506, 1408626, 1944266, 2683674, 3704184 ]
[ "nonn", "walk" ]
A044848
[ 8, 16, 24, 32, 40, 48, 49, 56, 58, 59, 60, 61, 62, 65, 73, 81, 89, 97, 98, 106, 112, 113, 115, 116, 117, 118, 122, 130, 138, 146, 147, 155, 163, 168, 169, 170, 172, 173, 174, 179, 187, 195, 196, 204, 212, 220, 224, 225, 226, 227 ]
[ "nonn", "base" ]
A183228
[ 2, 3, 5, 5, 5, 5, 9, 5, 5, 9, 13, 13, 13, 13, 9, 13, 17, 21, 21, 21, 17, 13, 21, 25, 29, 21, 33, 33, 25, 33, 41, 41, 33, 25, 29, 33, 33, 41, 29, 37, 37, 41, 45, 41, 37, 41, 37, 45, 45, 45, 45, 49, 53, 53, 49, 57, 41, 57, 69 ]
[ "nonn", "easy", "base" ]
A197288
[ 2, 5, 4, 5, 9, 6, 5, 2, 2, 5, 2, 8, 1, 5, 6, 4, 7, 3, 1, 2, 9, 5, 9, 7, 0, 4, 6, 5, 7, 5, 6, 9, 7, 9, 9, 7, 2, 8, 4, 1, 2, 5, 9, 9, 9, 0, 1, 6, 4, 1, 6, 9, 9, 1, 7, 3, 3, 9, 5, 8, 9, 7, 2, 6, 5, 1, 2, 5, 7, 5, 8, 8, 4, 2, 2, 3, 5, 0, 9, 9, 6, 0, 2, 1, 1, 2, 9, 9, 7, 9, 6, 3, 6, 9, 7, 4, 2, 3, 6, 7, 5, 5 ]
[ "nonn", "cons" ]
A197305
[ 8, 122, 1139, 15930, 207538, 2533633, 32070816, 406507906, 5121683931, 64661725576, 817020106978, 10316814032165, 130270307404176, 1645111173920002, 20774993393517760, 262348958240337730 ]
[ "nonn" ]
A379668
[ 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 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, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0 ]
[ "nonn", "tabl" ]
A042184
[ 24, 25, 149, 621, 1391, 2012, 13463, 28938, 71339, 456972, 528311, 1513594, 6582687, 34427029, 41009716, 2002893397, 2043903113, 12222408962, 50933538961, 114089486884, 165023025845, 1104227641954 ]
[ "nonn", "cofr", "frac", "easy", "less" ]
A155311
[ 1, 7, 25, 55, 196, 1148, 8896, 73146, 666416, 7662949, 116153231, 2222900225, 50872655372 ]
[ "nonn" ]
A044670
[ 38, 119, 200, 281, 350, 362, 443, 524, 605, 686, 767, 848, 929, 1010, 1079, 1091, 1172, 1253, 1334, 1415, 1496, 1577, 1658, 1739, 1808, 1820, 1901, 1982, 2063, 2144, 2225, 2306, 2387, 2468, 2537, 2549, 2630, 2711, 2792 ]
[ "nonn", "base" ]
A139366
[ 0, 1, 0, 1, 2, 0, 1, 0, 2, 0, 1, 4, 4, 2, 0, 1, 0, 0, 0, 2, 0, 1, 3, 6, 3, 6, 2, 0, 1, 0, 2, 0, 2, 0, 2, 0, 1, 6, 0, 3, 6, 0, 3, 2, 0, 1, 0, 4, 0, 0, 0, 4, 0, 2, 0, 1, 10, 5, 5, 5, 10, 10, 10, 5, 2, 0, 1, 0, 0, 0, 2, 0, 2, 0, 0, 0, 2, 0, 1, 12, 3, 6, 4, 12, 12, 4, 3, 6, 12, 2, 0, 1, 0, 6, 0, 6, 0, 0, 0, 3, 0 ]
[ "nonn", "easy", "tabl", "look" ]
A312814
[ 1, 4, 8, 16, 22, 26, 32, 38, 36, 44, 46, 56, 62, 70, 74, 80, 86, 78, 90, 86, 102, 110, 116, 122, 128, 134, 120, 138, 126, 148, 156, 164, 168, 176, 182, 162, 186, 168, 194, 202, 210, 216, 222, 230, 204, 234, 210, 242, 248, 256 ]
[ "nonn" ]
A123933
[ 12, 111, 1007, 10109, 100709, 1008819, 10326309, 106635053, 1006357961, 10413717671, 100795008839 ]
[ "nonn", "hard", "more" ]
A373225
[ 2, 11, 23, 31, 47, 59, 67, 103, 127, 419, 431, 439, 467, 1259, 1279, 1303, 26947, 615883, 616787, 617051, 617059, 617087, 617647, 617731, 617819, 617879, 618463, 618559, 618587, 618671, 620467, 623867, 623879, 624199, 624271, 624311, 624319, 624331, 626887, 626987, 627071 ]
[ "nonn" ]
A295700
[ 81, 86, 93, 95, 100, 104, 107, 114, 130, 133 ]
[ "nonn", "more" ]
A194009
[ 2, 3, 5, 4, 7, 13, 5, 9, 17, 28, 6, 11, 21, 35, 58, 7, 13, 25, 42, 70, 114, 8, 15, 29, 49, 82, 134, 218, 9, 17, 33, 56, 94, 154, 251, 407, 10, 19, 37, 63, 106, 174, 284, 461, 747, 11, 21, 41, 70, 118, 194, 317, 515, 835, 1352, 12, 23, 45, 77, 130, 214, 350, 569 ]
[ "nonn", "tabl" ]
A044834
[ 9, 18, 27, 36, 45, 54, 63, 576, 585, 594, 603, 612, 621, 630, 639, 1152, 1161, 1170, 1179, 1188, 1197, 1206, 1215, 1728, 1737, 1746, 1755, 1764, 1773, 1782, 1791, 2304, 2313, 2322, 2331, 2340, 2349, 2358, 2367, 2880, 2889 ]
[ "nonn", "base" ]
A095318
[ 31, 47, 59, 61, 127, 191, 223, 239, 251, 367, 379, 383, 431, 439, 443, 463, 479, 487, 491, 499, 503, 509, 607, 631, 701, 719, 727, 733, 743, 751, 757, 761, 823, 827, 829, 859, 863, 877, 883, 887, 911, 919, 941, 947, 953, 967, 971, 983, 991 ]
[ "nonn", "easy", "base" ]
A004242
[ 0, 694, 1099, 1387, 1610, 1792, 1946, 2080, 2198, 2303, 2398, 2485, 2565, 2640, 2709, 2773, 2834, 2891, 2945, 2996, 3045, 3092, 3136, 3179, 3219, 3259, 3296, 3333, 3368, 3402, 3434, 3466, 3497, 3527 ]
[ "nonn" ]
A110223
[ 6, 14, 21, 29, 32, 34, 42, 46, 51, 58, 59, 62, 66, 69, 70, 75, 77, 78, 84, 85, 86, 88, 90, 93, 96, 102, 103, 110, 111, 114, 115, 123, 130, 133, 137, 140, 149, 157, 158, 160, 162, 165, 166, 173, 176, 178, 179, 181, 182, 183, 187, 194, 201, 202, 203, 205, 209, 210, 211 ]
[ "nonn", "nice" ]
A373332
[ 1, 9, 15, 536, 545, 559, 784, 1029, 1296, 9864, 19972, 25281, 61372, 71919, 254305, 264196, 501809, 577720, 4825277, 5615100, 8943039, 23666905, 23765244, 24555772, 126237882, 157076310, 264463290, 341853680, 1219695647, 95714023805, 220113045816 ]
[ "nonn", "more" ]
A298742
[ 2, 1, 3, 2, 2, 4, 1, 8, 8, 2, 3, 1, 1, 9, 0, 0, 1, 9, 5, 6, 5, 5, 0, 7, 2, 3, 3, 8, 1, 5, 7, 3, 0, 0, 6, 5, 7, 0, 8, 4, 7, 8, 6, 1, 8, 6, 0, 9, 5, 8, 3, 2, 9, 8, 4, 1, 4, 2, 1, 7, 7, 7, 5, 4, 1, 6, 5, 9, 9, 4, 3, 3, 7, 4, 2, 5, 9, 5, 9, 6, 2, 5, 8, 3, 9, 2 ]
[ "nonn", "easy", "cons" ]
A314816
[ 1, 5, 9, 14, 17, 23, 29, 33, 38, 42, 49, 54, 58, 63, 65, 72, 77, 81, 88, 90, 97, 102, 104, 111, 113, 120, 127, 129, 136, 138, 143, 150, 152, 159, 163, 168, 175, 177, 182, 186, 191, 198, 202, 207, 211, 216, 221, 225, 230, 234 ]
[ "nonn" ]
A196999
[ 4, 5, 6, 4, 8, 5, 0, 4, 2, 0, 2, 3, 4, 5, 0, 1, 2, 8, 1, 3, 9, 7, 6, 0, 6, 4, 7, 4, 3, 5, 4, 1, 3, 7, 1, 7, 0, 6, 4, 3, 0, 5, 0, 9, 2, 7, 8, 2, 9, 2, 8, 5, 3, 8, 2, 3, 5, 8, 0, 0, 3, 1, 8, 0, 1, 9, 6, 2, 6, 6, 6, 0, 4, 8, 0, 0, 6, 8, 5, 3, 6, 2, 8, 1, 6, 8, 7, 0, 7, 7, 1, 2, 8, 6, 7, 3, 1, 0, 8 ]
[ "nonn", "cons" ]