id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A311669
[ 1, 4, 8, 13, 15, 22, 24, 29, 33, 37, 42, 43, 52, 52, 58, 62, 66, 71, 71, 82, 80, 87, 91, 95, 100, 99, 112, 108, 116, 120, 124, 129, 127, 142, 136, 145, 149, 153, 158, 155, 172, 164, 174, 178, 182, 187, 183, 202, 192, 203 ]
[ "nonn" ]
A006109
[ 1, 1, 5, 21, 357, 5797, 376805, 24208613, 6221613541, 1594283908581, 1634141006295525, 1673768626404967000, 6.857430062381149e+21, 2.8089747579101386e+25, 4.602505140835762e+29, 7.540859480106604e+33 ]
[ "nonn" ]
A329761
[ 3, 11, 13, 19, 31, 113, 131, 139, 191, 193, 199, 311, 313, 331, 911, 919, 991, 1193, 1319, 1399, 1913, 1931, 1933, 1993, 1999, 3119, 3191, 3313, 3319, 3331, 3391, 3911, 3919, 3931, 9133, 9199, 9311, 9319, 9391, 9931, 11113, 11119, 11131, 11311, 11393, 11399 ]
[ "nonn", "base" ]
A252748
[ -1, -1, -1, 1, -3, 3, -3, 11, 7, 1, -9, 21, -9, 5, 5, 49, -15, 39, -15, 23, 13, -5, -17, 87, -1, -1, 71, 43, -27, 45, -25, 179, -1, -11, 7, 153, -33, -7, 7, 109, -39, 81, -39, 29, 85, -5, -41, 309, 23, 47, -7, 49, -47, 267, -19, 185, 1, -23, -57, 195, -55, -13, 149, 601, -11, 63, -63, 35, 7, 91, -69, 531, -67, -25, 95, 55, -11, 99 ]
[ "sign" ]
A136106
[ 2, 5, 103, 1867, 491851, 17681491, 35565206671, 43194825904693 ]
[ "more", "nonn" ]
A142807
[ 131, 619, 863, 1229, 2083, 2693, 3181, 3547, 4157, 4523, 4889, 5011, 5743, 5987, 6353, 6719, 6841, 7207, 7451, 7573, 7817, 9281, 9403, 9769, 10501, 10867, 12697, 12941, 13063, 14771, 15137, 15259, 15991, 17333, 18553, 18797, 18919, 19163, 20261, 20627, 20749 ]
[ "nonn", "easy" ]
A173104
[ 1, 2, 12, 624, 110880, 58769280, 67704940800, 149428671436800, 574091539551129600, 3.581833707481043e+21, 3.4393612685291413e+25, 4.86990328595375e+29, 9.81889067427203e+33, 2.7382382033948882e+38 ]
[ "nonn" ]
A199174
[ 1, 6, 7, 8, 9, 2, 9, 7, 6, 3, 4, 9, 1, 0, 9, 4, 5, 1, 9, 5, 9, 3, 3, 8, 3, 2, 0, 1, 1, 6, 3, 4, 3, 2, 9, 9, 8, 5, 9, 3, 3, 0, 5, 0, 1, 6, 7, 2, 8, 7, 8, 3, 6, 4, 3, 7, 0, 8, 7, 6, 3, 6, 2, 7, 1, 0, 4, 2, 4, 6, 7, 1, 9, 7, 2, 8, 5, 9, 8, 6, 2, 7, 2, 6, 2, 8, 3, 8, 6, 4, 2, 6, 8, 1, 6, 2, 9, 3, 8, 8, 9, 8, 8 ]
[ "nonn", "cons" ]
A382201
[ 1, 2, 3, 5, 6, 10, 11, 13, 15, 17, 22, 26, 29, 30, 31, 33, 34, 39, 41, 43, 47, 51, 55, 58, 59, 62, 65, 66, 67, 73, 78, 79, 82, 83, 85, 86, 87, 93, 94, 101, 102, 109, 110, 113, 118, 123, 127, 129, 130, 134, 137, 139, 141, 145, 146, 149, 155, 157, 158, 163, 165 ]
[ "nonn" ]
A328194
[ 0, 0, 0, 1, 0, 1, 0, 2, 1, 1, 0, 1, 0, 1, 1, 3, 0, 2, 0, 2, 1, 1, 0, 1, 1, 1, 2, 2, 0, 1, 0, 4, 1, 1, 1, 1, 0, 1, 1, 2, 0, 2, 0, 2, 1, 1, 0, 1, 1, 2, 1, 2, 0, 2, 1, 2, 1, 1, 0, 1, 0, 1, 1, 5, 1, 2, 0, 2, 1, 1, 0, 1, 0, 1, 2, 2, 1, 2, 0, 2, 3, 1, 0, 1, 1, 1, 1, 3, 0, 1, 1, 2, 1, 1, 1, 1, 0, 2, 2, 3, 0, 2, 0, 3, 1 ]
[ "nonn" ]
A179878
[ 2, 11, 23, 47, 59, 83, 107, 167, 179, 227, 263, 266, 347, 359, 383, 455, 467, 470, 479, 494, 503, 506, 518, 563, 587, 590, 719, 782, 839, 863, 887, 890, 902, 911, 935, 983, 986, 1019, 1166, 1178, 1187, 1235, 1283, 1295, 1307, 1319, 1334, 1358, 1367, 1394 ]
[ "nonn" ]
A196942
[ 0, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 2, 2, 2, 1, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 2, 1, 2, 2, 2, 1, 2, 2, 2, 2, 2, 3, 3, 1, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 1, 1, 1, 2, 1, 3, 2, 4, 1, 2, 2, 2, 2, 3, 2, 3, 1, 2, 2, 2, 2, 2, 2, 2, 2 ]
[ "nonn", "easy" ]
A002811
[ 1, 5, 23, 1681, 257543, 67637281, 27138236663, 15442193173681 ]
[ "dead" ]
A149635
[ 1, 1, 5, 15, 69, 233, 1123, 4193, 20365, 79577, 389657, 1576461, 7753541, 32101097, 158408649, 667616317, 3302236011, 14108958387, 69912164165, 302004643089, 1498550596927, 6531886516731, 32446754425099, 142495425257375, 708461316243015, 3131209264861149, 15579022833875688, 69232956490530610 ]
[ "nonn", "walk" ]
A315233
[ 1, 6, 10, 14, 22, 26, 28, 34, 38, 50, 50, 50, 64, 66, 70, 74, 78, 86, 92, 94, 98, 110, 110, 110, 124, 126, 126, 138, 138, 146, 156, 150, 158, 170, 170, 170, 184, 186, 186, 202, 198, 202, 216, 210, 218, 234, 226, 230, 248, 246 ]
[ "nonn" ]
A066788
[ 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 5, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 10, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 5, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 10, 1, 2, 1, 2, 5, 2, 1, 2, 1, 2, 5, 2, 1, 2, 1, 10, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2 ]
[ "nonn" ]
A182121
[ 5, 7, 11, 19, 29, 31, 53, 67, 79, 109, 149, 157, 163, 211, 229, 311, 349, 379, 401, 409, 449, 467, 653, 757, 809, 839, 857, 863, 883, 983, 997, 1033, 1087, 1103, 1187, 1193, 1289, 1301, 1303, 1409, 1481, 1523, 1553, 1637, 1663, 1669, 1709, 1951, 1973 ]
[ "nonn" ]
A296288
[ 1, 2, 11, 28, 63, 126, 237, 426, 743, 1277, 2150, 3581, 5911, 9700, 15849, 25819, 41972, 68131, 110481, 179030, 289971, 469505, 760026, 1230129, 1990803, 3221657, 5213240, 8435734, 13649870, 22086561, 35737451, 57825097, 93563700, 151390018, 244955010 ]
[ "nonn", "easy" ]
A279314
[ 4, 22, 27, 58, 85, 94, 105, 114, 121, 150, 166, 202, 204, 222, 224, 265, 274, 315, 319, 342, 346, 355, 378, 382, 391, 438, 445, 450, 454, 483, 517, 526, 535, 540, 560, 562, 576, 588, 612, 627, 634, 636, 640, 645, 648, 654, 663, 666, 690, 697, 706, 728, 729, 762, 778, 825, 840, 841, 852 ]
[ "nonn" ]
A059252
[ 0, 0, 1, 1, 2, 3, 3, 2, 2, 3, 3, 2, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 2, 2, 3, 3, 3, 2, 2, 3, 4, 5, 5, 4, 4, 4, 5, 5, 6, 6, 7, 7, 7, 6, 6, 7, 7, 7, 6, 6, 5, 4, 4, 5, 5, 4, 4, 5, 6, 6, 7, 7, 8, 9, 9, 8, 8, 8, 9, 9, 10, 10, 11, 11, 11, 10, 10, 11, 12, 12, 13, 13, 14, 15, 15, 14, 14, 15, 15, 14 ]
[ "nonn" ]
A384397
[ 1, 45742, 2092330564, 521429475, 1283746116, 346822856, 916086159, 1929881610, 71652547, 472145160, 1777485336, 2037740772, 997589268, 2015058584, 703108709, 897067814, 1723253915, 1726644935, 72441828, 68230099, 688768691, 2085682592, 1372443189, 933442051 ]
[ "nonn", "easy" ]
A084158
[ 0, 1, 5, 30, 174, 1015, 5915, 34476, 200940, 1171165, 6826049, 39785130, 231884730, 1351523251, 7877254775, 45912005400, 267594777624, 1559656660345, 9090345184445, 52982414446326, 308804141493510, 1799842434514735, 10490250465594900, 61141660359054660, 356359711688733060 ]
[ "easy", "nonn" ]
A058511
[ 1, -2, -1, 2, 1, 4, -6, -2, 2, 0, 10, -14, -5, 8, 4, 20, -28, -10, 14, 4, 39, -56, -20, 28, 10, 72, -100, -34, 46, 16, 128, -176, -61, 86, 30, 216, -294, -100, 134, 44, 355, -484, -165, 226, 79, 568, -770, -260, 350, 116, 894, -1208, -408, 552, 188, 1376, -1848, -620, 830, 276, 2087, -2800, -940 ]
[ "sign" ]
A088543
[ 1, 9, 3, 6, 4, 9, 1, 6, 7, 3, 1, 0, 3, 7, 0, 8, 4, 4, 2, 5, 8, 9, 6, 3, 2, 6, 9, 9, 8, 9, 1, 1, 9, 9, 8, 0, 5, 4, 1, 6, 4, 6, 0, 8, 5, 2, 6, 4, 5, 7, 9, 5, 4, 1, 3, 2, 9, 3, 7, 8, 6, 8, 8, 3, 0, 5, 6, 7, 4, 1, 5, 4, 5, 9, 6, 8, 4, 8, 9, 5, 1, 6, 7, 5, 9, 6, 4, 3, 6, 8, 8, 4, 2, 9, 3, 3, 6, 7, 5, 8, 9, 5, 8, 1, 5 ]
[ "cons", "nonn" ]
A161793
[ 1, 2, 4, 5, 6, 8, 9, 11, 13, 14, 16, 23, 25, 27, 29, 30, 32, 47, 55, 59, 61, 62, 64, 81, 95, 111, 119, 121, 123, 125, 126, 128, 191, 223, 239, 247, 251, 253, 254, 256, 343, 383, 447, 479, 495, 503, 507, 509, 510, 512, 767, 895, 959, 991, 1007, 1015, 1019, 1021 ]
[ "base", "nonn" ]
A177741
[ 1, 1, 9, 0, 31, 8, 4, 2, 308, 81, 100, 70, 0, 7, 3809, 578, 474, 495, 454, 103, 181, 103, 97, 0, 63995, 11703, 11655, 9472, 9252, 1151, 8567, 2297, 1758, 1389, 1117, 2023, 104, 328, 210, 128, 11, 1152784, 201685, 193899, 159485, 144516, 19625, 137561, 38453 ]
[ "nonn", "tabf" ]
A072663
[ 2, 26, 28, 76, 210, 1801, 3508, 16180, 29286, 33988, 1161208, 4010473, 164048770, 18294479654 ]
[ "nonn", "more" ]
A231851
[ 8, 144, 7339, 360966, 17726611, 870478586, 42745416641, 2099041399895, 103074789422478, 5061554394805698, 248550911791818720, 12205253749015192000, 599346902427518200000, 2.9431318417158668e+22 ]
[ "nonn" ]
A382113
[ 0, 1, 3, 6, 5, 11, 10, 8, 19, 18, 16, 13, 14, 32, 31, 29, 26, 27, 21, 22, 24, 53, 52, 50, 47, 48, 42, 43, 45, 34, 35, 37, 40, 39, 87, 86, 84, 81, 82, 76, 77, 79, 68, 69, 71, 74, 73, 55, 56, 58, 61, 60, 66, 65, 63, 142, 141, 139, 136, 137, 131, 132, 134, 123, 124 ]
[ "nonn", "easy" ]
A280512
[ 1, 3, 2, 1, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 48, 47, 46, 45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 192, 191, 190, 189, 188 ]
[ "nonn", "easy" ]
A370433
[ 1, 3, 1, 5, 90, 1, 7, 3675, 2205, 1, 9, 107604, 532350, 46116, 1, 11, 2436885, 74042430, 52887450, 812295, 1, 13, 46444398, 7663602375, 24609789204, 4257556875, 12666654, 1, 15, 785872815, 643910782515, 7510986678195, 5841878527485, 292686719325, 181355265, 1, 17, 12196578600, 45911000082220, 1766457334617976, 4451226370197750, 1124109212938712, 17658076954700, 2439315720, 1 ]
[ "nonn", "tabl" ]
A349887
[ 0, 1, 5, 8, 9, 10, 20, 22, 24, 26, 31, 35, 38, 39, 41, 45, 48, 49, 51, 55, 58, 59, 61, 65, 68, 69, 80, 82, 84, 86, 90, 92, 94, 96, 200, 202, 204, 206, 230, 232, 234, 236, 240, 242, 244, 246, 250, 252, 254, 256, 260, 262, 264, 266, 400, 402, 404, 406, 430, 432, 434, 436 ]
[ "word", "nonn" ]
A006601
[ 242, 3655, 4503, 5943, 6853, 7256, 8392, 9367, 10983, 11605, 11606, 12565, 12855, 12856, 12872, 13255, 13782, 13783, 14312, 16133, 17095, 18469, 19045, 19142, 19143, 19940, 20165, 20965, 21368, 21494, 21495, 21512, 22855, 23989, 26885 ]
[ "nonn", "easy", "nice" ]
A294541
[ 1, 2, 7, 14, 27, 49, 85, 144, 240, 396, 649, 1060, 1725, 2802, 4545, 7366, 11931, 19318, 31271, 50612, 81907, 132544, 214477, 347049, 561555, 908634, 1470220, 2378886, 3849139, 6228059, 10077233, 16305328, 26382598, 42687964, 69070601, 111758605 ]
[ "nonn", "easy" ]
A095809
[ 1, 9, 41, 81, 146, 194, 306, 369, 425, 594, 689, 866, 1109, 1161, 1154, 1361, 1634, 1781, 1889, 2141, 2729, 2609, 3626, 3366, 3566, 3449, 3506, 4241, 4289, 4826, 5066, 5381, 7034, 5561, 6254, 7229, 7829, 8186, 8069, 8126, 8609, 8921, 8774, 10386 ]
[ "nonn" ]
A173081
[ 0, 6, 28, 167, 964, 6305, 45082, 335919, 2605867, 20841010, 170395131 ]
[ "nonn", "more" ]
A135305
[ 1, 1, 2, 5, 13, 1, 36, 5, 1, 104, 21, 6, 1, 309, 84, 28, 7, 1, 939, 322, 124, 36, 8, 1, 2905, 1206, 522, 174, 45, 9, 1, 9118, 4455, 2127, 795, 235, 55, 10, 1, 28964, 16302, 8492, 3487, 1155, 308, 66, 11, 1, 92940, 59268, 33396, 14894, 5412, 1617, 394, 78, 12, 1 ]
[ "nonn", "tabf" ]
A384844
[ 3, 9, 6, 27, 57, 21, 81, 351, 369, 60, 243, 1806, 3582, 1716, 156, 729, 8472, 26346, 24216, 6648, 384, 2187, 37683, 165375, 241032, 128880, 22896, 912, 6561, 162177, 938907, 1946676, 1670280, 584784, 72624, 2112, 19683, 683112, 4979928, 13697148, 16889340, 9580368, 2366256, 216768, 4800 ]
[ "nonn", "tabl" ]
A007212
[ 1, 2, 2, 4, 4, 6, 7, 11, 12, 16, 18, 25, 28, 36, 41, 53, 59, 73, 82, 102, 115, 138, 155, 186, 209, 246, 275, 324, 363, 420, 468, 541, 605, 691, 768, 877, 976, 1103, 1222, 1380, 1530, 1716, 1895, 2122, 2343, 2609, 2872, 3192, 3514, 3890, 4269, 4716, 5172, 5697 ]
[ "nonn", "nice" ]
A106573
[ 121, 289, 529, 625, 961, 1681, 2601, 2809, 3481, 4225, 4489, 5329, 6241, 6889, 7225, 7569, 8281, 9025, 9409, 10201, 11881, 12769, 13225, 15625, 16641, 17689, 18769, 19881, 20449, 22201, 22801, 23409, 24649, 25281, 26569, 27225, 27889, 30625 ]
[ "easy", "nonn" ]
A242358
[ 23, 567, 6814, 47358, 239511, 954226, 3207212, 9414828, 24862239, 60136329, 135311658, 286229762, 574460495, 1101240084, 2028333848, 3605765688, 6211552455, 10402472811, 16984387958, 27099325638, 42342870823, 64905898662, 97761436356, 144885584740, 211543443215 ]
[ "nonn", "easy" ]
A126881
[ 1, 2, 2, 3, 5, 7, 8, 9, 17, 25, 26, 32, 69, 137, 214, 215, 433, 553, 554, 654, 1311, 3967, 6565, 6566, 8979, 21267, 33151, 53216, 53217, 106497, 161963, 242965, 244832, 306046, 714759, 1579093, 2396450, 2420102, 7278679, 14557369, 14778071 ]
[ "nonn" ]
A315093
[ 1, 5, 9, 16, 19, 25, 29, 36, 38, 47, 48, 55, 60, 61, 74, 72, 82, 83, 90, 93, 100, 105, 108, 115, 117, 127, 129, 135, 138, 145, 145, 158, 158, 165, 169, 171, 182, 182, 192, 191, 200, 201, 211, 215, 218, 224, 226, 234, 240, 245 ]
[ "nonn" ]
A174238
[ 1, 3, 2, 7, 2, 6, 2, 15, 3, 6, 2, 14, 2, 6, 4, 31, 2, 9, 2, 14, 4, 6, 2, 30, 3, 6, 4, 14, 2, 12, 2, 63, 4, 6, 4, 21, 2, 6, 4, 30, 2, 12, 2, 14, 6, 6, 2, 62, 3, 9, 4, 14, 2, 12, 4, 30, 4, 6, 2, 28, 2, 6, 6, 127, 4, 12, 2, 14, 4, 12, 2, 45, 2, 6, 6, 14, 4, 12, 2, 62 ]
[ "nonn", "mult", "easy" ]
A192061
[ 1, 1, 2, 3, 5, 7, 11, 15, 22, 30, 42, 56, 65, 89, 111, 140, 171, 213, 253, 310, 363, 432, 498, 583, 705, 800, 924, 1060, 1216, 1379, 1578, 1772, 2013, 2259, 2554, 2847, 3147, 3507, 3897, 4305, 4756, 5225, 5748, 6297, 6909, 7546, 8250, 9000, 9724, 10626, 11512, 12478, 13482, 14616, 15714, 17007, 18215, 19602, 20930, 22470 ]
[ "nonn" ]
A194986
[ 1, 1, 2, 2, 3, 3, 3, 4, 4, 5, 5, 5, 6, 6, 7, 7, 7, 8, 8, 9, 9, 9, 10, 10, 11, 11, 12, 12, 12, 13, 13, 14, 14, 14, 15, 15, 16, 16, 16, 17, 17, 18, 18, 18, 19, 19, 20, 20, 21, 21, 21, 22, 22, 23, 23, 23, 24, 24, 25, 25, 25, 26, 26, 27, 27, 27, 28, 28, 29, 29, 29, 30, 30, 31 ]
[ "nonn", "easy" ]
A102740
[ 1, 6, 7, 9, 10, 11, 16, 42, 53, 78, 321, 699, 1858, 3425, 4899, 5734, 11081, 11675, 12136, 14056, 16074, 77969, 158465 ]
[ "more", "nonn" ]
A108770
[ 3, 10, 15, 20, 27, 37, 59, 92, 105, 120, 152, 155, 175, 190, 215, 219, 242, 245, 254, 255, 277, 300, 302, 307, 325, 337, 362, 365, 370, 402, 415, 614, 930, 944, 987, 1049, 1059, 1112, 1192, 1204, 1210, 1220, 1265, 1312, 1344, 1360, 1374, 1449, 1460, 1504, 1527 ]
[ "base", "easy", "nonn" ]
A336187
[ 1, 1, 1, 1, 2, 1, 1, 3, 4, 1, 1, 4, 13, 8, 1, 1, 5, 34, 63, 16, 1, 1, 6, 81, 352, 321, 32, 1, 1, 7, 186, 1685, 3946, 1683, 64, 1, 1, 8, 421, 7416, 38401, 46744, 8989, 128, 1, 1, 9, 946, 30835, 328146, 963525, 573616, 48639, 256, 1, 1, 10, 2113, 122816, 2590225, 16971876, 25346385, 7217536, 265729, 512, 1 ]
[ "nonn", "tabl" ]
A107450
[ 0, 0, 0, 0, 1, 1, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2, 2, 2, 2, 2, 1, 1, 1, 2, 1, 2, 1, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 1, 1, 2, 2, 1, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 1, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 3, 1, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 1, 2, 1, 2, 2 ]
[ "base", "easy", "nonn" ]
A016273
[ 1, 10, 69, 410, 2261, 11970, 61909, 315850, 1598421, 8050130, 40425749, 202656090, 1014866581, 5079099490, 25409813589, 127092049130, 635589254741, 3178333432050, 15892828897429, 79467630222970, 397348609370901, 1986774423719810, 9933966253389268 ]
[ "nonn", "easy" ]
A141766
[ 1, 12, 24, 36, 48, 60, 72, 96, 108, 120, 144, 168, 180, 192, 216, 240, 288, 300, 324, 336, 360, 384, 432, 480, 504, 540, 576, 600, 648, 660, 672, 720, 768, 840, 864, 900, 960, 972, 1008, 1080, 1152, 1176, 1200, 1296, 1320, 1344, 1440, 1500, 1512, 1536, 1620 ]
[ "nonn" ]
A021778
[ 0, 0, 1, 2, 9, 1, 9, 8, 9, 6, 6, 4, 0, 8, 2, 6, 8, 7, 3, 3, 8, 5, 0, 1, 2, 9, 1, 9, 8, 9, 6, 6, 4, 0, 8, 2, 6, 8, 7, 3, 3, 8, 5, 0, 1, 2, 9, 1, 9, 8, 9, 6, 6, 4, 0, 8, 2, 6, 8, 7, 3, 3, 8, 5, 0, 1, 2, 9, 1, 9, 8, 9, 6, 6, 4, 0, 8, 2, 6, 8, 7, 3, 3, 8, 5, 0, 1, 2, 9, 1, 9, 8, 9, 6, 6, 4, 0, 8, 2 ]
[ "nonn", "cons" ]
A213068
[ 0, -1, 5, -31, -85, 4919, 1248125, -158970631, 2094813635, 2311829506319, -210731879464555, -109642894428121230, 37051431528058446000, 4.4096669095765994e+21, -6.492299377660512e+24, 6.48925901618982e+26 ]
[ "sign" ]
A085639
[ 1, -1, -1, 0, 4, 1, -1, 0, 0, -4, -1, 0, -1, 1, -4, 0, -1, 0, -1, 0, 1, 1, -1, 0, -5, 1, 0, 0, -1, 4, -1, 0, 1, 1, -4, 0, -1, 1, 1, 0, -1, -1, -1, 0, 0, 1, -1, 0, 0, 5, 1, 0, -1, 0, -4, 0, 1, 1, -1, 0, -1, 1, 0, 0, -4, -1, -1, 0, 1, 4, -1, 0, -1, 1, 5, 0, 1, -1, -1, 0, 0, 1, -1, 0, -4, 1, 1, 0, -1 ]
[ "sign", "mult", "changed" ]
A173552
[ 0, 1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 16, 17, 19, 21, 22, 23, 24, 26, 29, 31, 32, 33, 34, 36, 37, 38, 39, 48, 49, 53, 54, 56, 58, 59, 61, 62, 63, 64, 66, 71, 77, 78, 79, 82, 83, 84, 86, 88, 93, 96, 99, 104, 106, 108, 114, 116, 118, 119, 122, 123, 129, 134, 136 ]
[ "nonn", "easy" ]
A273831
[ 1, 4, 21, 45, 76, 117, 164, 221, 284, 357, 436, 525, 620, 725, 836, 957, 1084, 1221, 1364, 1517, 1676, 1845, 2020, 2205, 2396, 2597, 2804, 3021, 3244, 3477, 3716, 3965, 4220, 4485, 4756, 5037, 5324, 5621, 5924, 6237, 6556, 6885, 7220, 7565, 7916, 8277, 8644 ]
[ "nonn", "easy" ]
A232944
[ 27, 577, 13707, 328989, 7915555, 190528543, 4586348177, 110402289283, 2657600587981, 63973693477099, 1539973156889093, 37070195640900390, 892352830608056800, 21480695221316837000, 517082762971533500000 ]
[ "nonn" ]
A121335
[ 1, 3, 1, 15, 5, 1, 120, 36, 8, 1, 1365, 364, 78, 12, 1, 20349, 4845, 969, 153, 17, 1, 376740, 80730, 14950, 2300, 276, 23, 1, 8347680, 1623160, 278256, 40920, 4960, 465, 30, 1, 215553195, 38320568, 6096454, 850668, 101270, 9880, 741, 38, 1, 6358402050 ]
[ "nonn", "tabl" ]
A165489
[ 1, 1, 1, 2, 6, 23, 105, 550, 3236, 21127, 152084, 1204107, 10484455, 100487135, 1060590050, 12312607512, 156705050156, 2175091977023, 32715771430649, 529684212426756, 9173124311640888, 168981073675685340, 3295492196522827000, 67770145132669800000, 1.4646905284260853e+21 ]
[ "eigen", "nonn" ]
A310116
[ 1, 3, 6, 11, 17, 23, 28, 32, 34, 36, 39, 43, 48, 56, 63, 69, 72, 73, 76, 78, 84, 88, 98, 104, 110, 112, 112, 117, 118, 127, 131, 144, 148, 152, 153, 150, 156, 155, 167, 172, 187, 191, 193, 193, 187, 194, 192, 207, 213, 230 ]
[ "nonn" ]
A320523
[ 2, 21, 21, 11, 2, 6, 5, 21, 11, 2, 6, 21, 21, 11, 2, 6, 21, 5, 11, 2, 6, 21, 21, 3, 2, 2, 21, 21, 11, 2, 6, 5, 21, 11, 2, 6, 21, 21, 11, 2, 6, 21, 5, 11, 2, 6, 21, 21, 3, 2, 2, 21, 21, 11, 2, 6, 5, 21, 11, 2, 6, 21, 21, 11, 2, 6, 21, 5, 11, 2, 6, 21, 21, 3, 2 ]
[ "nonn", "easy" ]
A090786
[ 0, 0, 0, 1, 0, 1, 0, 3, 14, 7, 0, 5, 16, 53, 4, 27, 6, 13, 18, 69, 8, 9, 8, 73, 106, 15, 32, 19, 38, 193, 76, 95, 46, 3, 62, 25, 94, 273, 4, 57, 12, 19, 54, 27, 2, 193, 54, 185, 4, 33, 10, 219, 0, 17, 168, 15, 92, 49, 224, 233, 210, 707, 68, 207, 2, 127, 216, 5, 14, 61, 68, 785 ]
[ "nonn" ]
A029764
[ -5, -2, -1, 1, 7, 2663, 1247, 1511, 1623817, 10405289, 21491081, 2523785339, 1827648887, 11254630547, 596303510772251, 8834901408462277, 105697073459989, 12745379713118458000, 455443615848938400000 ]
[ "sign", "frac" ]
A033835
[ 2, 5, 17, 0, 33, 66, 386, 258, 513, 1026, 0, 16388, 57345, 16389, 196610, 262149, 0, 786438, 3145733, 6291461, 0, 29360132, 0, 67108871, 234881030, 201326601, 1207959557, 2415919109, 3758096387, 5368709130, 10737418245, 30064771083 ]
[ "nonn", "base" ]
A374454
[ 1, 4, 22, 116, 613, 3240, 17124, 90504, 478333, 2528092, 13361506, 70618412, 373233385, 1972618128, 10425707976, 55102092624, 291226324249, 1539193302772, 8134965235054, 42995028146468, 227237903531533, 1201000837247928, 6347545848001836, 33548135057767510 ]
[ "nonn", "easy" ]
A283916
[ 1, 0, 1, 0, 7, 7, 21, 8, 97, 76, 269, 76, 1805, 1644, 5725, 3604, 27201, 20500, 67265, 21204, 467433, 393472, 1464445, 924444, 6971221, 5255552, 17216949, 5405680, 119556629, 100860096, 375016085, 236454912, 1784410613, 1346036016, 4406938645, 1380720960 ]
[ "nonn", "easy" ]
A309429
[ 2, 37, 83, 137, 229, 317, 409, 557, 677, 829, 991, 1187, 1423, 1597, 1871, 2083, 2347, 2633, 2939, 3307, 3581, 3967, 4297, 4673, 5051, 5479, 5927, 6343, 6791, 7349, 7757, 8269, 8783, 9323, 9871, 10463, 11069, 11633, 12251, 12889, 13537, 14207, 14891, 15641 ]
[ "nonn", "base" ]
A167908
[ 1, 10, 90, 810, 7290, 65610, 590490, 5314410, 47829690, 430467210, 3874204890, 34867844010, 313810596090, 2824295364810, 25418658283290, 228767924549610, 2058911320946445, 18530201888517600, 166771816996654800 ]
[ "nonn" ]
A022469
[ 1, 23, 350, 4450, 51231, 554433, 5756260, 58034900, 572630861, 5558653243, 53279890170, 505596134550, 4759287370891, 44506489496453, 413949260130080, 3832708325439400, 35351885537967320, 325028008388124000, 2980145152236044000, 27260474825925726000, 248857740289031700000 ]
[ "nonn", "easy" ]
A067113
[ 1, 5, 14, 15, 21, 23, 28, 31, 37, 41, 50, 56, 60, 68, 69, 70, 70, 70, 71, 73, 74, 75, 79, 83, 84, 90, 99, 100, 109, 115, 117, 119, 124, 126, 131, 137, 139, 147, 156, 159, 161, 165, 168, 174, 175, 179, 179, 179, 183, 187, 188, 192, 200, 204, 209, 211, 220, 225, 232 ]
[ "base", "easy", "nonn" ]
A321887
[ 1, 1, -1, 2, 1, -3, -1, 3, 2, 3, 1, -8, -1, -3, -3, 5, 1, 7, -1, 7, 3, 3, 1, -15 ]
[ "sign", "more" ]
A130775
[ 0, 1, 8, 180, 604800, 68428800, 2324754432000, 640237370572800, 93666727314800640000, 2.032588964078092e+28, 1.6578303738261942e+31 ]
[ "easy", "nonn" ]
A106643
[ 1, 2, 3, 10, 45, 57, 77, 92, 97, 209, 215, 2423, 3849, 5289, 66555, 1347796, 1524713 ]
[ "nonn" ]
A135151
[ 1, 1, 2, 2, 2, 3, 1, 3, 3, 4, 2, 2, 4, 4, 5, 1, 3, 3, 5, 5, 6, 2, 2, 4, 4, 6, 6, 7, 1, 3, 3, 5, 5, 7, 7, 8, 2, 2, 4, 4, 6, 6, 8, 8, 9, 1, 3, 3, 5, 5, 7, 7, 9, 9, 10 ]
[ "nonn", "tabl" ]
A058519
[ 0, 1, 2, 3, 5, 8, 15, 24, 46, 82, 157, 293, 576, 1095, 2138, 4156, 8162, 16019, 31675, 62608, 124341, 247224, 493067, 984905, 1971970, 3953749, 7941397, 15971775, 32168510, 64866564, 130959749, 264676274, 535488128, 1084424916 ]
[ "nonn" ]
A123468
[ 1, 2, 4, 11, 33, 138, 582, 2367, 9421, 37916 ]
[ "nonn", "more" ]
A318032
[ 3, 6, 9, 25, 58, 152, 368, 904, 2211, 5420, 13257, 32485, 79687, 195459, 479166, 1174486, 2879048, 7057869, 17302114, 42416167, 103983959, 254916060, 624918591, 1531968302, 3755586548, 9206752113, 22570177681, 55330344496, 135641228111 ]
[ "nonn" ]
A334697
[ 1, 50, 363, 1360, 3665, 8106, 15715, 27728, 45585, 70930, 105611, 151680, 211393, 287210, 381795, 498016, 638945, 807858, 1008235, 1243760, 1518321, 1836010, 2201123, 2618160, 3091825, 3627026, 4228875, 4902688, 5653985, 6488490, 7412131, 8431040, 9551553, 10780210, 12123755, 13589136, 15183505, 16914218, 18788835 ]
[ "nonn", "easy" ]
A081051
[ 0, 0, 1, -6, 35, -225, 1624, -13132, 118124, -1172700, 12753576, -150917976, 1931559552, -26596717056, 392156797824, -6165817614720, 102992244837120, -1821602444624640, 34012249593822720, -668609730341153300, 13803759753640704000, -298631902863216400000 ]
[ "easy", "sign" ]
A260474
[ 1716, 5891, 36254, 161176, 839073, 4771920, 24138984, 123310754, 662480793, 3462881003, 17901457898, 94193468029, 494253218713, 2575427089930, 13479058203992, 70635679978670, 369192210644796, 1930772613998630 ]
[ "nonn" ]
A162276
[ 3, 6, 15, 12, 15, 30, 63, 24, 27, 30, 33, 60, 39, 126, 255, 48, 51, 54, 57, 60, 63, 66, 69, 120, 75, 78, 81, 252, 87, 510, 1023, 96, 99, 102, 105, 108, 111, 114, 117, 120, 123, 126, 129, 132, 315, 138, 141, 240, 147, 150, 255, 156, 159, 162, 165, 504, 171, 174, 177 ]
[ "base", "nonn" ]
A264219
[ 9, 96, 623, 3736, 24908, 163505, 1056337, 6877345, 44814952, 291509085, 1896866692, 12346072740, 80344855605, 522859320079, 3402709450301, 22144272437752, 144110748923323, 937848095118780, 6103354462609448 ]
[ "nonn" ]
A036363
[ 1, 30, 2940, 612360, 221371920, 123506903520, 98513415000000, 106466143825641600, 149822417112092540000, 2.6625957897673474e+23, 5.8325603196434464e+26, 1.5441120274658204e+30, 4.860420955731493e+33 ]
[ "nonn" ]
A050555
[ 12, 16, 72, 160, 256, 916, 1216, 1840, 3280, 8140, 10816, 15776, 40256, 72116, 134240, 145532, 358276 ]
[ "hard", "nonn" ]
A029784
[ 4, 9, 16, 49, 64, 81, 289, 324, 484, 576, 841, 1089, 1156, 1444, 1521, 1936, 2209, 2809, 2916, 3249, 3364, 3481, 3844, 4489, 5184, 5929, 6241, 7056, 7744, 8464, 8836, 20736, 24649, 24964, 29929, 34969, 35344, 36864, 37636, 43681, 44944, 50176, 56169, 56644 ]
[ "nonn", "base" ]
A387073
[ 1, 2, 4, 6, 9, 12, 14, 21, 25, 30, 33, 36, 38, 57, 65, 68, 93, 94, 141, 148, 150, 174, 177, 236, 244, 247, 260, 316, 393, 415, 428, 515, 635, 685, 951, 1055, 1067, 1315, 1388, 1516, 1639, 1828, 1903, 1969, 2841, 3235, 3342, 3414, 3592, 4516, 4936, 5948, 7444, 7652 ]
[ "nonn" ]
A079921
[ 3, 7, 14, 26, 46, 79, 133, 221, 364, 596, 972, 1581, 2567, 4163, 6746, 10926, 17690, 28635, 46345, 75001, 121368, 196392, 317784, 514201, 832011, 1346239, 2178278, 3524546, 5702854, 9227431, 14930317, 24157781, 39088132, 63245948, 102334116, 165580101 ]
[ "nonn" ]
A169302
[ 1, 49, 2352, 112896, 5419008, 260112384, 12485394432, 599298932736, 28766348771328, 1380784741023744, 66277667569139710, 3181328043318706000, 152703746079297900000, 7.329779811806299e+21, 3.5182943096670235e+23 ]
[ "nonn" ]
A283548
[ 128, 2570, 54211, 1529463, 34266804, 854841910, 20707472573, 500387112083, 12194309578408, 295445669810158, 7175900498325835, 174194410958021300, 4227944315256983600, 102642336532085690000, 2.4914988983169607e+21 ]
[ "nonn" ]
A055292
[ 1, 2, 6, 14, 32, 64, 123, 219, 377, 616, 978, 1496, 2236, 3251, 4637, 6475, 8899, 12025, 16036, 21091, 27432, 35271, 44920, 56656, 70873, 87924, 108298, 132438, 160943, 194358, 233408, 278755, 331266, 391737, 461193, 540581, 631103 ]
[ "nonn" ]
A103878
[ 0, 1, 137, 12019, 874853, 58067611, 3673451957, 226576032859, 13790081534933, 833490615528571, 50196582942983480, 3017503478665411000, 181223386494229100000, 1.087863759018441e+22, 6.528760780760179e+23, 3.917731531831929e+25 ]
[ "nonn", "easy" ]
A135531
[ 51, 117020, 42722972, 5554560632, 355631996061, 13505066262007 ]
[ "nonn" ]
A067709
[ 2, 4, 16, 18, 64, 100, 450, 516, 1458, 4096, 4624, 13932, 14406, 20124, 21780, 28900, 29262, 29616, 36450, 45996, 62500, 65536, 92778, 95916, 106092, 106308, 114630, 114930, 121872, 125652, 130050, 140130, 145794, 149124, 160986, 179562, 185100 ]
[ "nonn" ]
A115007
[ 0, 6, 16, 31, 50, 75, 103, 137, 175, 218, 265, 318, 374, 436, 502, 573, 648, 729, 813, 903, 997, 1096, 1199, 1308, 1420, 1538, 1660, 1787, 1918, 2055, 2195, 2341, 2491, 2646, 2805, 2970, 3138, 3312, 3490, 3673, 3860, 4053, 4249, 4451, 4657, 4868, 5083, 5304, 5528 ]
[ "nonn" ]
A183062
[ 288230376151711740, 4.710128697246245e+27, 3.469446951953614e+40, 1.0367793076318844e+49 ]
[ "nonn", "easy" ]
A332161
[ 1, 616, 66166, 6661666, 666616666, 66666166666, 6666661666666, 666666616666666, 66666666166666664, 6666666661666666000, 666666666616666700000, 6.666666666616667e+22, 6.666666666661666e+24, 6.666666666666166e+26, 6.6666666666666165e+28, 6.666666666666662e+30 ]
[ "nonn", "base", "easy" ]
A318171
[ 2, 269, 269, 3823, 8539, 729551, 1416329, 23592593, 1478674861, 20458458289, 7558026467353, 201008815538749 ]
[ "nonn", "more" ]
A295170
[ 1, 1, 0, 8, 3528, 18475776, 5885188704000 ]
[ "nonn", "more" ]
A188318
[ 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0 ]
[ "nonn" ]