id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A310122
[ 1, 3, 6, 12, 15, 15, 24, 24, 33, 36, 33, 48, 48, 54, 54, 54, 69, 69, 72, 72, 75, 90, 90, 90, 93, 96, 111, 108, 108, 114, 117, 132, 126, 129, 135, 138, 150, 144, 150, 156, 159, 168, 165, 171, 177, 177, 186, 186, 192, 198 ]
[ "nonn" ]
A224998
[ 7, 1, 2, 3, 3, 4, 5, 6, 7, 8, 9, 9, 10, 11, 12, 13, 14, 15, 16, 16, 17, 18, 19, 20, 21, 22, 23, 23, 24, 25, 26, 27, 28, 29, 30, 30, 31, 32, 33, 34, 35, 36, 37, 37, 38, 39, 40, 41, 42, 43, 44, 44, 45, 46, 47, 48, 49, 50, 51, 51, 52, 53, 54, 55, 56, 57, 58, 58 ]
[ "nonn", "easy" ]
A388602
[ 1, 0, 9, 6, 8, 1, 7, 0, 2, 9, 1, 5, 3, 9, 2, 3, 5, 3, 0, 5, 8, 0, 2, 2, 8, 3, 4, 2, 8, 4, 6, 3, 9, 4, 1, 7, 7, 2, 7, 3, 0, 9, 1, 4, 4, 3, 1, 5, 5, 2, 7, 9, 2, 8, 2, 7, 8, 5, 2, 1, 5, 3, 7, 8, 1, 8, 6, 0, 1, 0, 6, 5, 8, 8, 8, 4, 7, 0, 1, 0, 7, 2, 9, 5, 0, 5, 7 ]
[ "nonn", "cons" ]
A110887
[ 1, 1, 2, 3, 7, 19, 74 ]
[ "hard", "more", "nonn" ]
A371641
[ 85329, 4, 224675, 4, 1140391, 4, 9, 4, 28749, 4, 841, 4, 9, 4, 239571, 4, 343, 4, 9, 4, 231, 4, 25, 4, 9, 4, 315, 4, 343, 4, 9, 4, 25, 4, 9761637601, 4, 9, 4, 4234329, 4, 715, 4, 9, 4, 609, 4, 49, 4, 9, 4, 195, 4, 25, 4, 9, 4, 1015, 4, 76729, 4, 9, 4, 25, 4, 14332171 ]
[ "nonn", "base" ]
A252564
[ 3761, 16327, 93997, 242136, 1818662, 11035929, 28350064, 216831038, 1329037293, 3382609190, 26245219961, 162112063819, 409459673087, 3214375284653, 19969005645582, 50132403166124, 397156279282899, 2478165770954465 ]
[ "nonn" ]
A247152
[ 12, 30, 15, 27, 110, 130, 117, 119, 123, 129, 231, 237, 141, 143, 147, 153, 159, 161, 267, 171, 273, 279, 183, 189, 297, 1010, 1030, 1070, 1090, 1113, 1127, 1131, 1137, 1139, 1149, 1510, 1157, 1630, 1167, 1173, 1179, 1810, 1191, 1930, 1197, 1199, 1211, 2223, 1227, 2229 ]
[ "nonn", "base", "easy" ]
A300536
[ 1, 40, 122, 1436, 12951, 124543, 1220365, 11917710, 117661891, 1157805789, 11407820948, 112395265481, 1107421260675, 10911738086085, 107515951477034, 1059389206361283, 10438494390939726, 102853864683542460 ]
[ "nonn" ]
A323257
[ 1, 2, 2, 4, 3, 10, 3, 21, 8, 22, 8, 76, 7, 134, 21, 56, 38, 384, 16, 626, 41, 215, 89, 1574, 34, 1414, 170, 874, 162, 5603, 28, 8348, 448, 1951, 539, 5625, 126, 26014, 918, 5047, 481, 53173, 112, 75174, 1522, 4747, 2468, 147272, 399, 123165, 1362, 27874, 3986, 386154, 679 ]
[ "nonn" ]
A137857
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 53, 106, 298, 5790, 7594, 14650, 15576, 41612, 66049, 150564, 154476, 154484 ]
[ "nonn", "more", "base" ]
A036306
[ 121, 671, 1331, 3721, 7271, 7381, 14641, 40321, 40931, 73271, 79981, 81191, 122771, 161051, 177221, 183271, 226981, 406321, 436921, 443531, 450241, 680821, 727771, 805981, 879791, 893101, 982771, 1016321, 1227721, 1350481, 1771561 ]
[ "nonn", "easy", "base" ]
A107402
[ 0, 1, 1, 2, 3, 11, 12, 55, 55, 266, 261, 1277, 1248, 6121, 5977, 29330, 28635, 140531, 137196, 673327, 657343, 3226106, 3149517, 15457205, 15090240, 74059921, 72301681, 354842402, 346418163, 1700152091, 1659789132, 8145918055 ]
[ "nonn", "easy" ]
A211102
[ 10, 184, 6304, 416368, 54050896, 13894956304, 7116012826192, 7287811488547552, 14966388560597030000, 6.17540275376917e+22, 5.127427182156167e+26, 8.576912248102024e+30 ]
[ "nonn" ]
A153735
[ 6, 2, 0, 6, 0, 7, 1, 5, 6, 3, 3, 5, 8, 5, 5, 7, 6, 8, 0, 1, 4, 3, 6, 8, 4, 2, 7, 0, 4, 9, 4, 7, 9, 5, 5, 1, 7, 5, 9, 9, 5, 3, 8, 5, 3, 2, 5, 1, 9, 1, 6, 5, 3, 6, 5, 3, 9, 4, 1, 2, 0, 3, 8, 8, 9, 0, 7, 3, 5, 3, 0, 9, 0, 2, 1, 9, 4, 9, 3, 8, 6, 3, 5, 2, 2, 3, 7, 9, 8, 6, 2, 6, 7, 7, 1, 4, 5, 1, 5 ]
[ "nonn", "cons" ]
A360296
[ 1, 1, 1, 2, 3, 3, 2, 4, 8, 11, 8, 8, 11, 8, 4, 8, 20, 34, 26, 34, 51, 40, 20, 20, 40, 51, 34, 26, 34, 20, 8, 16, 48, 96, 76, 118, 186, 152, 76, 96, 208, 281, 186, 152, 208, 124, 48, 48, 124, 208, 152, 186, 281, 208, 96, 76, 152, 186, 118, 76, 96, 48, 16, 32 ]
[ "nonn", "look", "base" ]
A275571
[ 1, 5, 8, 45, 121, 320, 841, 2205, 5776, 15125, 39601, 103680, 271441, 710645, 1860496, 4870845, 12752041, 33385280, 87403801, 228826125, 599074576, 1568397605, 4106118241, 10749957120, 28143753121, 73681302245, 192900153616, 505019158605, 1322157322201 ]
[ "dead" ]
A275722
[ 4, 6, 8, 9, 10, 12, 16, 18, 20, 21, 22, 24, 27, 28, 30, 32, 33, 36, 40, 42, 45, 46, 48, 50, 52, 54, 56, 57, 58, 60, 64, 66, 68, 70, 72, 75, 76, 78, 81, 82, 84, 88, 90, 92, 93, 96, 98, 100, 102, 104, 105, 106, 108, 110, 112, 114, 117, 120, 126, 128, 130, 132, 133, 135, 136, 138, 140, 141, 144, 147, 148, 150, 152, 153, 154 ]
[ "nonn" ]
A308075
[ 1, 2, 3, 5, 8, 12, 14, 11, 7, 9, 20, 16, 18, 79, 25, 27, 88, 34, 36, 97, 43, 45, 101, 29, 49, 110, 38, 54, 200, 47, 58, 699, 56, 67, 789, 65, 76, 798, 74, 85, 879, 83, 94, 888, 92, 139, 897, 119, 148, 969, 128, 157, 978, 137, 166, 987, 146, 175, 996, 155, 184, 1001, 69, 89, 1010, 78, 98, 1100, 87, 179, 2000, 96, 188, 5999, 159, 197, 6899 ]
[ "base", "nonn" ]
A177706
[ 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2 ]
[ "nonn", "cofr", "easy" ]
A058403
[ 2, 20, 8, 360, 288, 48, 9840, 11360, 3520, 320, 363360, 522752, 225344, 37888, 2176, 16776000, 27849600, 14871296, 3491072, 373504, 14848, 922158720, 1692808704, 1053556480, 308703232, 46459904, 3467264, 101376, 58499239680, 115821927936 ]
[ "nonn", "tabl" ]
A207871
[ 4, 7, 11, 18, 22, 29, 33, 36, 47, 51, 54, 58, 76, 80, 83, 87, 94, 116, 123, 127, 130, 134, 141, 145, 152, 156, 163, 174, 188, 192, 199, 203, 206, 210, 217, 221, 228, 232, 235, 246, 250, 253, 264, 282, 304, 311, 322, 326, 329, 333, 340, 344, 351, 355 ]
[ "nonn" ]
A070025
[ 6, 150, 2730, 9000, 9240, 35280, 41760, 43050, 53280, 65520, 76650, 96180, 111030, 148200, 197370, 207480, 213360, 226380, 254280, 264600, 309480, 332160, 342450, 352740, 375450, 381990, 440550, 458790, 501030, 527070, 552030, 642360, 660810 ]
[ "easy", "nonn" ]
A046217
[ 3, 3, 5, 3, 5, 7, 11, 11, 7, 9, 9, 11, 9, 9, 11, 27, 20, 20, 27, 11, 13, 19, 67, 40, 67, 19, 13, 15, 51, 105, 147, 147, 105, 51, 15, 17, 33, 78, 126, 147, 126, 78, 33, 17, 19, 83, 111, 204, 273, 273, 204, 111, 83, 19, 21, 51, 305, 315, 477, 546, 477, 315, 305, 51, 21, 23 ]
[ "tabf", "nonn", "easy" ]
A258151
[ 1, 5, 10, 14, 30, 35, 55, 84, 91, 105, 140, 154, 165, 204, 220, 231, 260, 285, 286, 385, 390, 429, 455, 506, 595, 650, 680, 715, 770, 819, 836, 935, 969, 1015, 1105, 1190, 1240, 1309, 1326, 1330, 1495, 1496, 1615, 1729, 1771, 1785, 1820, 1925 ]
[ "nonn", "easy" ]
A156356
[ 1, -3, -40, 747, 8360, -131043, -4302520, 378065739, 4126545320, -116565742413, -6359542622200, 439133717768817, 14374338172267880, -586516393899525100, -44796731270702195000, 1.687238971229109e+22, 1.8409607948386938e+23, -9.82296273935046e+24 ]
[ "sign", "frac" ]
A294131
[ 1, 2, 3, 15, 20, 30, 90, 120, 125, 141, 326, 464, 491, 494, 540, 558, 822, 1103, 1463, 1638, 1898, 3332, 10671, 24842, 37412, 48855, 173904 ]
[ "nonn", "more", "hard" ]
A052434
[ 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, 0, 1, 0, 0, -1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, -1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, -1, -1, -1, 0, 0, 0, -1, 0, 0, 0, -1, -1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0 ]
[ "sign" ]
A005389
[ 1, 6, 37, 236, 1517, 9770, 62953, 405688, 2614457, 16849006, 108584525, 699780452, 4509783909, 29063617746, 187302518353, 1207084188912, 7779138543857, 50133202843990, 323086934794997, 2082156365731164, 13418602439355484, 86477122654688260, 557307869909156160 ]
[ "nonn", "easy" ]
A131409
[ 3909, 87627, 132609, 163491, 167451, 170679, 209289, 224151, 270591, 309273, 318651, 327423, 340077, 395121, 444459, 481863, 497121, 522231, 536451, 584589, 624837, 633189, 680451, 752901, 765579, 767757, 830469, 848739, 878133, 915063, 938109, 953877, 954861 ]
[ "nonn" ]
A355549
[ 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0 ]
[ "nonn", "base" ]
A189772
[ 1, 1, 0, -1, 2, 0, -20, 100, -180, -1540, 18800, -99900, -35000, 6978400, -81010800, 418106000, 2652650000, -89962470000, 1078639120000, -4572607130000, -102140361180000, 2809462217120000, -34739768494600000, 80549366231880000, 7017075372032440000 ]
[ "sign" ]
A025699
[ 1, 2, 4, 6, 9, 12, 16, 20, 25, 30, 36, 42, 49, 56, 64, 72, 81, 90, 100, 111, 122, 134, 146, 159, 172, 186, 200, 215, 230, 246, 262, 279, 296, 314, 332, 351, 371, 391, 412, 433, 455, 477, 500, 523, 547, 571, 596, 621, 647, 673, 700, 727, 755, 784, 813, 843, 873, 904, 935 ]
[ "nonn", "easy", "changed" ]
A333298
[ 1, 18, 243, 3240, 43254, 577368, 7706988, 102876480, 1373243544, 18330699168, 244686773808, 3266193870720, 43598688377184, 581975750199168, 7768485393179328, 103697388221736960, 1384201395738071600, 18476969736848120000, 246639261965462770000, 3.2922565988488194e+21 ]
[ "nonn" ]
A312309
[ 1, 4, 8, 14, 16, 23, 24, 32, 32, 40, 42, 51, 50, 58, 58, 68, 64, 76, 76, 84, 88, 91, 94, 102, 98, 110, 112, 117, 122, 128, 128, 138, 130, 146, 146, 152, 156, 161, 166, 172, 164, 180, 182, 185, 192, 194, 200, 210, 196, 216 ]
[ "nonn" ]
A390798
[ 1, 3, 17, 124, 1030, 9251, 87517, 859099, 8669363, 89378119, 937338385, 9968284525, 107246775281, 1165214293500, 12766501347012, 140894107553484, 1564845156329626, 17477561474851094, 196177569785319300, 2211811995984100400, 25037053775934415000, 284438311913461650000 ]
[ "nonn", "new" ]
A008102
[ 1, 4, 12, 24, 39, 60, 91, 126, 161, 195, 243, 309, 387, 441, 481, 585, 660, 741, 832, 921, 1029, 1154, 1271, 1344, 1481, 1628, 1780, 1908, 2035, 2154, 2325, 2535, 2680, 2817, 2973, 3164, 3424, 3604, 3732, 3913, 4166, 4421, 4613, 4803, 4960, 5281, 5574, 5765 ]
[ "nonn" ]
A285029
[ 28, 1578, 256732, 22043878, 3064900470, 305391845288, 40651048407879, 4417815478017558, 572137146947057340, 65494200478482710000, 8.342393878477797e+21, 9.861832725058974e+23 ]
[ "nonn" ]
A249650
[ 0, 3, 4, 11, 14, 76, 911, 2218, 2654, 22527, 134917, 352490, 448005, 706886, 886953, 11602049, 12183305, 33156386, 109135016, 159804680, 1561954166, 1930377863, 3406296121, 50262652304 ]
[ "nonn", "more" ]
A112188
[ 1, -1, 1, 1, 0, -1, 0, 1, 1, 0, 2, 1, 1, -1, 1, 2, 2, -2, 2, 1, 1, -2, 2, 2, 4, -3, 4, 4, 2, -4, 2, 4, 5, -4, 6, 5, 5, -6, 5, 7, 8, -7, 8, 7, 6, -8, 8, 9, 13, -12, 14, 13, 10, -14, 10, 14, 17, -14, 20, 17, 17, -19, 18, 22, 24, -24, 26, 24, 22, -26, 26, 29, 37, -34, 39, 38, 32, -40, 34, 42, 48, -44, 54, 49 ]
[ "sign" ]
A095250
[ 0, 1, 0, 3, 1, 3, 1, 7, 0, 1, 1, 3, 1, 11, 6, 7, 1, 9, 1, 11, 6, 11, 1, 15, 11, 11, 0, 19, 1, 21, 1, 7, 12, 11, 16, 27, 1, 11, 33, 31, 1, 21, 1, 11, 36, 11, 1, 39, 36, 11, 9, 19, 1, 27, 1, 39, 54, 11, 1, 51, 1, 11, 27, 7, 61, 33, 1, 23, 42, 61, 1, 63, 1, 11, 36, 47, 23, 39, 1, 71, 0, 11, 1, 63 ]
[ "nonn" ]
A201767
[ 3, 1, 5, 5, 5, 3, 2, 3, 3, 0, 7, 9, 6, 3, 4, 6, 4, 4, 6, 9, 3, 2, 3, 0, 3, 3, 1, 9, 2, 6, 5, 8, 4, 0, 7, 0, 0, 0, 1, 0, 4, 2, 5, 6, 4, 4, 8, 9, 1, 1, 1, 9, 8, 6, 3, 7, 4, 6, 9, 1, 3, 5, 4, 3, 7, 9, 8, 7, 6, 6, 6, 9, 4, 4, 2, 6, 5, 5, 6, 4, 0, 3, 8, 8, 5, 0, 7, 3, 6, 1, 5, 0, 4, 4, 1, 0, 2, 2, 6 ]
[ "nonn", "cons" ]
A167441
[ 71, 271, 571, 971, 1171, 1471, 1571, 1871, 2371, 2671, 2971, 3271, 3371, 3571, 3671, 4271, 4871, 5171, 5471, 6271, 6571, 6871, 6971, 8171, 8971, 9371, 9871, 10271, 10771, 11071, 11171, 11471, 11971, 12071, 12671, 13171, 14071, 14771, 15271 ]
[ "base", "nonn" ]
A276764
[ 10, 20, 74, 100, 202, 244, 394, 452, 650, 724, 970, 1060, 1354, 1460, 1802, 1924, 2314, 2452, 2890, 3044, 3530, 3700, 4234, 4420, 5002, 5204, 5834, 6052, 6730, 6964, 7690, 7940, 8714, 8980, 9802, 10084, 10954, 11252, 12170, 12484, 13450, 13780, 14794, 15140 ]
[ "nonn", "easy" ]
A017920
[ 1, 2, 5, 11, 25, 56, 125, 280, 625, 1398, 3125, 6988, 15625, 34939, 78125, 174693, 390625, 873464, 1953125, 4367320, 9765625, 21836601, 48828125, 109183007, 244140625, 545915034, 1220703125, 2729575168 ]
[ "nonn" ]
A326839
[ 0, 1, 1, 2, 1, 3, 1, 3, 2, 4, 1, 2, 1, 5, 5, 4, 1, 5, 1, 5, 3, 6, 1, 5, 2, 7, 3, 3, 1, 2, 1, 5, 7, 8, 7, 3, 1, 9, 4, 2, 1, 7, 1, 7, 7, 10, 1, 3, 2, 7, 9, 4, 1, 7, 8, 7, 5, 11, 1, 7, 1, 12, 2, 6, 3, 8, 1, 9, 11, 2, 1, 7, 1, 13, 8, 5, 9, 3, 1, 7, 4, 14, 1, 2, 10 ]
[ "nonn", "frac" ]
A179197
[ 3, 7, 9, 11, 12, 13, 17, 18, 19, 21, 22, 23, 27, 29, 31, 33, 36, 37, 39, 41, 43, 45, 47, 48, 49, 53, 54, 55, 57, 59, 61, 63, 67, 71, 72, 73, 74, 75, 77, 79, 81, 83, 84, 89, 91, 93, 97, 99, 101, 103, 107, 108, 109, 111, 113, 117, 121, 126, 129, 131, 135, 137, 139, 143, 144 ]
[ "base", "nonn" ]
A195659
[ 2048, 148352, 3076180, 33175486, 239238888, 1314160492, 5937279840, 23174548666, 80812754568, 257860425672, 766319864440, 2149806985106, 5753007728148, 14807729805472, 36902750545260, 89523360235366, 212335537312668, 494171055510052, 1131839140825580 ]
[ "nonn" ]
A177773
[ 1, 1, 2, 39, 1808, 154470, 21613904, 4613731395, 1428023881948, 615891861903012, 358339956451941700, 273806861542425820000, 2.6862916241742516e+23, 3.319665903012192e+26, 5.082930972032981e+29 ]
[ "nonn" ]
A357105
[ 1, 1, 9, 7, 4, 2, 9, 3, 3, 6, 9, 3, 3, 0, 3, 2, 9, 7, 1, 5, 5, 9, 3, 0, 0, 2, 8, 7, 7, 9, 4, 7, 2, 1, 7, 3, 7, 1, 4, 0, 7, 5, 6, 0, 8, 6, 3, 2, 3, 9, 5, 8, 6, 4, 9, 3, 8, 1, 7, 5, 1, 3, 5, 8, 8, 5, 3, 3, 1, 5, 7, 0, 7, 3, 5, 6, 0, 9 ]
[ "nonn", "cons", "easy" ]
A095173
[ 1, 3, 5, 8, 12, 17, 23, 29, 37, 47, 57, 68, 81, 96, 112, 129, 148, 170, 194, 218, 245, 275, 306, 340, 376, 415, 458, 502, 549, 601, 656, 714, 776, 841, 910, 983, 1058, 1139, 1226, 1315, 1410, 1511, 1616, 1727, 1842, 1963, 2092, 2225, 2363, 2509, 2661, 2818, 2983 ]
[ "nonn", "nice", "easy" ]
A252035
[ 53776, 84953, 43475, 85570, 309509, 1083611, 2760880, 11408435, 45212106, 116642072, 531761898, 2259000889, 5831023888, 28257830105, 124970572069, 322460681029, 1617291825135, 7310304048517, 18856709193862, 96407077619864 ]
[ "nonn" ]
A212609
[ 819, 6975, 9009, 13923, 15561, 18837, 23751, 25389, 30303, 33579, 35217, 38493, 40131, 43407, 48321, 49959, 54873, 58149, 59787, 64701, 67977, 72891, 79443, 82719, 84357, 87633, 89271, 90675, 92547, 99099, 104013, 107289, 112203, 113841, 118575, 122031 ]
[ "nonn" ]
A053482
[ 1, 4, 21, 142, 1201, 12336, 149989, 2113546, 33926337, 611660476, 12243073621, 269456124774, 6468249055921, 168191402251432, 4709596238204901, 141291441773619100, 4521383010795365000, 153727989225714800000, 5.534225015581836e+21 ]
[ "nonn" ]
A365204
[ 1, 145, 1009, 3745, 10081, 22321, 43345, 76609, 126145, 196561, 293041, 421345, 587809, 799345, 1063441, 1388161, 1782145, 2254609, 2815345, 3474721, 4243681, 5133745, 6157009, 7326145, 8654401, 10155601, 11844145, 13735009, 15843745, 18186481 ]
[ "nonn", "easy" ]
A262529
[ 1, 1, 4, 31, 464, 10423, 307123, 11087757, 471750268, 23064505722, 1272685923725, 78185947269685, 5290601944971906, 390900941750607170, 31309282176759170000, 2.701913799542548e+21, 2.4991302373225543e+23, 2.4663493072687442e+25 ]
[ "nonn" ]
A347034
[ 0, 0, 2, 0, 3, 21, 0, 4, 40, 232, 0, 5, 65, 505, 3005, 0, 6, 96, 936, 7056, 45936, 0, 7, 133, 1561, 14287, 112609, 818503, 0, 8, 176, 2416, 26048, 241984, 2056832, 16736896, 0, 9, 225, 3537, 43929, 470961, 4601529, 42683841, 387057609, 0, 10, 280, 4960, 69760, 848800 ]
[ "easy", "nonn", "tabl" ]
A049841
[ 1, 4, 11, 19, 36, 45, 74, 92, 119, 144, 199, 203, 276, 307, 346, 394, 483, 504, 613, 621, 704, 785, 918, 896, 1033, 1128, 1207, 1271, 1462, 1421, 1658, 1694, 1827, 1966, 2051, 2087, 2362, 2465, 2594, 2626, 2941, 2886, 3239 ]
[ "nonn" ]
A332779
[ 1, 1, 2, 8, 61, 979, 32198, 2089277, 268307573, 68716923913, 35184302013572, 36028793426712830, 73786975811410580000, 3.0223145474389672e+23, 2.4758800784606796e+27, 4.056481920715252e+31, 1.3292279957845081e+36 ]
[ "nonn" ]
A223846
[ 130, 16900, 1006318, 32464394, 664770145, 9625018705, 106061178908, 936977517660, 6894239747078, 43487182160312, 240482752035786, 1186784550921046, 5302212479479600, 21699479504191664, 82147259258535280 ]
[ "nonn" ]
A293178
[ 2, 17, 504, 53932 ]
[ "nonn", "more" ]
A029547
[ 1, 34, 1155, 39236, 1332869, 45278310, 1538129671, 52251130504, 1775000307465, 60297759323306, 2048348816684939, 69583562007964620, 2363792759454112300, 80299370259431850000, 2.7278147960612287e+21, 9.266540369582234e+22, 3.1478959108618983e+24 ]
[ "nonn", "easy" ]
A380011
[ 7, 3, 3, 13, 3, 2, 13, 47, 43, 47, 37, 41, 109, 41, 139, 149, 109, 263, 73, 563, 163, 41, 19, 797, 61, 107, 31, 821, 43, 149, 37, 953, 211, 89, 547, 353, 337, 167, 67, 239, 1009, 449, 97, 23, 349, 41, 31, 911, 61, 929, 229, 797, 331, 191, 463, 107, 463, 809, 2887, 971 ]
[ "base", "nonn" ]
A277019
[ 3, 7, 11, 14, 15, 19, 23, 27, 29, 30, 31, 35, 39, 43, 46, 47, 51, 55, 59, 61, 62, 63, 67, 71, 75, 78, 79, 83, 87, 91, 93, 94, 95, 99, 103, 107, 110, 111, 115, 119, 123, 124, 125, 126, 127, 131, 135, 139, 142, 143, 147, 151, 155, 157, 158, 159, 163, 167, 171, 174, 175, 179, 183, 187, 189, 190, 191, 195, 199, 203, 206, 207, 211, 215 ]
[ "nonn", "base" ]
A066848
[ 1, 2, 3, 2436, 520, 60, 308, 2436, 15867, 61800, 8096, 55620, 77077, 20216, 51675, 2296992, 21607, 15867, 185820, 481680, 140805, 226644, 145866, 1568928, 1076000, 187772, 5596587, 1831956, 715778, 3540060, 836535, 2296992, 3088008, 1129514, 7096775, 1995048, 2018646, 3159168, 13019136, 15293320, 6936667, 11250624, 6877463, 20475136, 3380040, 3986360, 1052424, 17566608, 5152350, 1076000, 3824694, 8897564, 2987239, 17600004, 24056230, 89537336, 23397531, 2791424, 5393780, 19344660, 5306268, 8679008, 126415359, 30486400, 29303235 ]
[ "nonn", "nice" ]
A350977
[ 3, 4, 6, 9, 10, 12, 14, 17, 21, 22, 27, 30, 33, 34, 37, 41, 42, 46, 50, 57, 58, 62, 65, 66, 69, 70, 73, 75, 77, 78, 82, 85, 86, 90, 93, 94, 97, 98, 171, 176, 275, 475, 539, 1315, 2288, 2743, 5491 ]
[ "nonn", "more" ]
A073773
[ 0, 0, 0, 6, 40, 152, 480, 1376, 3712, 9600, 24064, 58880, 141312, 333824, 778240, 1794048, 4096000, 9273344, 20840448, 46530560, 103284736, 228065280, 501219328, 1096810496, 2390753280, 5192548352, 11240734720, 24259854336 ]
[ "nonn" ]
A083135
[ 2, 6, 60, 420, 27720, 180180, 4084080, 17226649440, 5693614708902120, 38302498950796080, 432895377590315650, 4.176686641637873e+26, 1.9285248417676432e+26, 2.418920161367266e+32 ]
[ "nonn" ]
A156888
[ 1, 1, 1, 1, 1, 2, 1, 1, 67, 6, 1, 1, 1825, 296341, 24, 1, 1, 15021, 6075061825, 86507568379, 120, 1, 1, 74221, 3388969238841, 36886153511769272000, 1666711474847102200, 720, 1, 1, 270607, 408859932813241, 1.1484347898092358e+25, 4.0850828663139255e+32, 2.1193890297144512e+27, 5040 ]
[ "nonn", "tabl" ]
A001988
[ 7, 7, 127, 463, 463, 487, 1423, 33247, 73327, 118903, 118903, 118903, 454183, 773767, 773767, 773767, 773767, 86976583, 125325127, 132690343, 788667223, 788667223, 1280222287, 2430076903, 10703135983, 10703135983, 10703135983 ]
[ "nonn" ]
A188912
[ 1, 2, 8, 42, 260, 1816, 13962, 116094, 1029124, 9609144, 93569808, 942642696, 9763181946, 103455616400, 1117379189926, 12264816349938, 136501928050116, 1537591374945704, 17503603786398576, 201128739609458900, 2330480521265639000 ]
[ "nonn", "easy" ]
A195452
[ 1, 7, 4, 9, 9, 9, 1, 1, 3, 2, 9, 1, 2, 7, 8, 8, 9, 6, 8, 3, 6, 6, 2, 7, 9, 5, 8, 7, 7, 9, 2, 2, 9, 5, 9, 7, 1, 0, 5, 1, 7, 8, 7, 3, 1, 6, 4, 8, 6, 5, 0, 4, 1, 1, 6, 0, 4, 8, 8, 9, 1, 7, 8, 9, 6, 4, 1, 7, 7, 5, 9, 5, 4, 0, 7, 2, 3, 8, 6, 3, 2, 5, 0, 1, 6, 9, 8, 0, 5, 3, 2, 4, 3, 0, 6, 8, 2, 3, 8, 6 ]
[ "nonn", "cons" ]
A178987
[ 0, -1, -2, 0, 16, 80, 288, 896, 2560, 6912, 17920, 45056, 110592, 266240, 630784, 1474560, 3407872, 7798784, 17694720, 39845888, 89128960, 198180864, 438304768, 964689920, 2113929216, 4613734400, 10032775168, 21743271936, 46976204800, 101200166912 ]
[ "sign", "easy" ]
A261172
[ 2, 3, 2, 4, 3, 6, 9, 10, 11, 16, 12, 14, 22, 18, 25, 20, 2, 6, 18, 14, 7, 40, 31, 25, 23, 20, 22, 62, 65, 68, 29, 23, 38, 26, 104, 6, 34, 52 ]
[ "nonn", "base" ]
A327607
[ 0, 1, 3, 11, 21, 58, 128, 276, 516, 1169, 2227, 4324, 8335, 15574, 29116, 55048, 97698, 176291, 323277, 563453, 1005089, 1770789, 3076868, 5293907, 9184885, 15668638, 26751095, 45517048, 76882920, 128738414, 217219751, 360525590, 599158211, 995474365 ]
[ "nonn" ]
A230717
[ 345744, 1058841, 1750329, 8340544, 22127616, 67765824, 68574961, 95004009, 112021056, 252047376, 533794816, 771895089, 1097199376, 1232922769, 1275989841, 1416167424, 2217373921, 4337012736, 4388797504, 5402250000, 5554571841, 6080256576, 7169347584, 10721359936 ]
[ "nonn" ]
A016709
[ 4, 4, 5, 4, 3, 4, 7, 2, 9, 6, 2, 5, 3, 5, 0, 7, 7, 3, 2, 8, 9, 0, 0, 7, 4, 6, 3, 4, 8, 0, 4, 0, 2, 3, 6, 0, 3, 6, 3, 4, 6, 3, 6, 3, 1, 9, 2, 4, 1, 8, 1, 0, 6, 6, 9, 3, 1, 2, 3, 6, 5, 2, 7, 4, 4, 1, 6, 2, 5, 2, 7, 9, 5, 8, 4, 2, 6, 8, 1, 1, 5, 4, 1, 4, 3, 4, 5, 5, 3, 2, 5, 0, 8, 0, 4, 1, 5, 9, 7 ]
[ "nonn", "cons" ]
A217571
[ 1, 4, 5, 10, 11, 18, 19, 28, 29, 40, 41, 54, 55, 70, 71, 88, 89, 108, 109, 130, 131, 154, 155, 180, 181, 208, 209, 238, 239, 270, 271, 304, 305, 340, 341, 378, 379, 418, 419, 460, 461, 504, 505, 550, 551, 598, 599, 648, 649, 700, 701, 754, 755, 810, 811, 868 ]
[ "nonn", "easy" ]
A080346
[ 2, 1, 14, 14, 38, 14, 38, 157, 1, 16929, 170, 170, 170, 170, 170, 170, 170896, 170896, 170 ]
[ "hard", "more", "nonn" ]
A233719
[ 1820, 13588, 101644, 820524, 6622988, 54865696, 453172200, 3781440536, 31469076952, 263046916084, 2194845360332, 18351617350708, 153277905148612, 1281532280178872, 10708142862585556, 89521470426434740, 748155393971878400 ]
[ "nonn" ]
A101834
[ 1, 2, 5, 11, 35, 38, 43, 89, 257, 511, 1481, 2377, 2405, 3223, 3377, 3875, 4160, 5509, 7424, 97241 ]
[ "nonn", "hard", "more" ]
A344631
[ 17773937, 39371777, 71777393, 73937177, 77393717, 77739371, 93717773, 101717933, 101793137, 111766999, 111897767, 113379997, 113719261, 113773021, 113913133, 117669991, 118977671, 119307977, 119937137, 123975113, 131239751, 131331139, 131473193, 133113913 ]
[ "nonn", "base" ]
A194707
[ 15, 8, 7, 3, 6, 6, 3, 2, 5, 5, 1, 2, 3, 4, 5, 1, 1, 2, 2, 5, 4, 0, 1, 1, 2, 2, 4, 5, 1, 0, 1, 1, 2, 2, 4, 4, 0, 1, 0, 1, 1, 2, 2, 4, 4, 0, 0, 1, 0, 1, 1, 2, 2, 4, 4, 0, 0, 0, 1, 0, 1, 1, 2, 2, 4, 4, 0, 0, 0, 0, 1, 0, 1, 1, 2, 2, 4, 4, 0, 0, 0, 0, 0, 1, 0, 1, 1, 2, 2, 4, 4 ]
[ "nonn", "tabl" ]
A193419
[ 0, 1, 2, 32, 37, 47, 95, 181, 196, 229, 2827, 2852, 3332, 3457, 3482, 3862, 3887, 4367, 4492, 4847, 4972, 4997, 7525, 7550, 7600, 7675, 7700, 8080, 8105, 8635, 8710, 9065, 9140, 9520, 9545, 9695, 17551, 17626, 17651, 18056, 18181, 18511, 18686, 19091, 19166 ]
[ "nonn", "easy", "base" ]
A368943
[ 1, 1, 1, 1, 3, 7, 11, 23, 50 ]
[ "nonn", "hard", "more" ]
A111856
[ 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10, 11, 11, 11, 11, 11, 11, 11, 11 ]
[ "nonn", "base" ]
A375997
[ 7, 39, 234, 687, 3882, 13999, 196017, 786499, 2790000, 3898880, 150002496, 150002496, 22094555327, 164777407488 ]
[ "nonn", "more" ]
A256429
[ 1, 6, 11, 16, 41, 106, 211, 416, 941, 2106, 4411, 9316, 20341, 44106, 94111, 201716, 435741, 938606, 2014311, 4330116, 9324641, 20060606, 43122511, 92747016, 199552041, 429222606, 923076211, 1985467416, 4270895441, 9186237106, 19758020411, 42498043816, 91411232341 ]
[ "nonn" ]
A053356
[ 2, 5, 10, 67, 70, 185, 218, 254, 530, 539, 587, 767, 806, 1142, 1169, 2098, 3035, 4310, 8909, 14150, 15461, 15778, 15962, 16711, 17819, 41915, 78578, 90047, 274202, 335351, 430342, 888782, 1465658, 1526518, 2079167 ]
[ "hard", "nonn", "more" ]
A047958
[ 1, 4, 12, 17, 30, 48, 72, 99, 128, 160, 199, 246, 295, 339, 396, 461, 518, 589, 669, 734, 832, 911, 988, 1090, 1192, 1287, 1398, 1502, 1625, 1754, 1851, 1991, 2112, 2262, 2410, 2527, 2700, 2844, 2994, 3172, 3299, 3502, 3658, 3838, 4045, 4187, 4414 ]
[ "nonn" ]
A091871
[ 2, 4, 5, 6, 7, 8, 11, 12, 20, 21, 22, 25, 30, 32, 33, 34, 40, 41, 43, 44, 45, 46, 64, 65, 66, 67, 68, 74, 75, 78, 128, 130, 131, 137, 139, 156, 157, 159, 164, 165, 167, 168, 187, 193, 196, 215, 220, 222, 270, 275, 293, 294, 295, 298, 299, 301, 302, 303, 444, 446 ]
[ "easy", "nonn", "base" ]
A303196
[ 21, 185, 233, 687, 7425, 34801, 164295, 1053249, 5803057, 30459340, 175958088, 988572609, 5409436965, 30475463803, 171059829077, 949886716408, 5320086247758, 29806428448927, 166317770692219, 930326534497792 ]
[ "nonn" ]
A184025
[ 2312, 3781, 6650, 13603, 29432, 70867, 177386, 477919, 1325792, 3881491, 11637650, 36399823, 116243192, 384453427, 1295419706, 4494981199, 15848957072, 57232544851, 209314623650, 779774009743, 2931862472552, 11174138451187 ]
[ "nonn" ]
A300585
[ 1, 0, 0, 0, 0, 1, 0, 2, 1, 2, 1, 7, 1, 12, 3, 4, 8, 29, 2, 42, 8, 18, 18, 87, 7, 71, 36, 67, 32, 234, 3, 319, 98, 126, 118, 192, 31, 772, 205, 293, 98, 1347, 21, 1763, 338, 295, 574, 2973, 116, 2290, 298, 1359, 932, 6287, 214, 2670, 843, 2744, 2334, 12828, 66, 16155, 3620, 2835, 4584, 8380 ]
[ "nonn" ]
A190312
[ 0, 0, 40, 368, 1704, 5704, 15400, 36096, 75632, 145968, 263592, 451392, 738360, 1163552, 1774840, 2632344, 3808992, 5394752, 7493936, 10233832, 13759008, 18241312, 23877984, 30896984, 39551456, 50137240, 62983128, 78459880 ]
[ "nonn" ]
A177283
[ 1, 1, 6, 90, 660, 3846, 24326, 148146, 850920, 4788114, 26548704, 144707622, 778116870, 4140736398, 21836757474, 114262071558, 593931441790, 3069689137294, 15786994900896, 80840741811238, 412406022128206, 2096937750144962, 10631278302356284, 53761972675284870 ]
[ "nonn" ]
A179652
[ 1, 3, 6, 8, 16, 23, 31, 34, 36, 48, 56, 59, 71, 83, 86, 91, 94, 108, 119, 121, 129, 133, 146, 148, 168, 169, 191, 203, 223, 226, 246, 253, 254, 259, 269, 288, 289, 303, 314, 316, 321, 338, 356, 358, 394, 399, 416, 433, 463, 464, 471, 496, 511, 519, 528, 533, 548 ]
[ "nonn" ]
A282210
[ 1, -96, 3168, -34944, -107808, 1955520, 16829568, 76708608, 258593760, 715480608, 1729546560, 3771497088, 7581237888, 14296261056, 25520442624, 43590539520, 71582414304, 113752634688, 175604039136, 264097115520, 388619703360, 559658001408, 792716685696 ]
[ "sign" ]
A110599
[ 24871, 58435, 140335, 1529983, 2086903, 3722875, 3830827, 8697535, 13932919, 16408315, 21578755, 27882595, 76319155, 126245119, 183531439, 192871987, 198394675, 207619555, 229523371, 337800463, 361504507, 416690995, 440127655, 535044055, 693298315, 729802255 ]
[ "nonn" ]
A200030
[ 1, 1, 1, 3, 11, 42, 167, 685, 2879, 12338, 53718, 236961, 1056825, 4757575, 21590295, 98665559, 453663399, 2097270984, 9742489832, 45452945649, 212884993100, 1000597657272, 4718101921367, 22312506322722, 105802828419669, 502945922930746, 2396283673887013, 11441289644315620 ]
[ "nonn" ]
A203950
[ 1, -1, 1, -3, 1, 1, -6, 5, -1, 1, -13, 18, -8, 1, 1, -24, 52, -40, 12, -1, 1, -39, 131, -155, 78, -16, 1, 1, -58, 291, -508, 391, -138, 21, -1, 1, -81, 584, -1410, 1548, -840, 225, -27, 1, 1, -108, 1078, -3448, 5151, -4016, 1658, -348, 33, -1, 1 ]
[ "tabl", "sign" ]