id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A287742
[ 1, 1, 10, 10, 101, 101, 1010, 1010, 10101, 10101, 101010, 101010, 1010101, 1010101, 10101010, 10101010, 101010101, 101010101, 1010101010, 1010101010, 10101010101, 10101010101, 101010101010, 101010101010, 1010101010101, 1010101010101, 10101010101010 ]
[ "nonn", "easy" ]
A352548
[ 2, 1, 4, 3, 0, 0, 0, 0, 0, 2, 7, 4, 8, 0, 5, 3, 6, 1, 9, 2, 0, 1, 6, 8, 7, 3, 1, 9, 1, 5, 1, 5, 1, 2, 4, 4, 7, 4, 9, 4, 0, 0, 6, 8, 8, 4, 7, 9, 9, 0, 7, 9, 2, 7, 7, 2, 1, 2, 2, 9, 2, 9, 0, 6, 5, 7, 9, 3, 5, 8, 8, 2, 0, 0, 5, 0, 1, 9, 8, 3, 1, 6, 1, 8, 2, 6, 8, 1, 0, 7, 9, 1, 6, 4 ]
[ "nonn", "cons", "less" ]
A335626
[ 1, 1, 4, 17, 104, 661, 5584, 47837, 483584, 5332681, 63940864, 802442057, 11548580864, 170258934301, 2602357970944, 44379608478677, 800966933970944, 14221966162901520, 277738909303373820, 5823354583392254000, 121050262784565840000, 2.6687171582073997e+21, 6.237691244289499e+22 ]
[ "sign" ]
A372966
[ 1, 241, 6481, 61681, 390001, 1561921, 5762401, 15790321, 42521761, 93990241, 214344241, 399754561, 815702161, 1388738641, 2527596481, 4042322161, 6975673921, 10247744401, 16983432721, 24055651681, 37346120881, 51656962081, 78310705441, 102337070401 ]
[ "nonn", "mult" ]
A112636
[ 1, 2, 3, 14, 24, 28, 48, 72, 84, 132, 140, 144, 154, 155, 165, 180, 192, 196, 203, 208, 216, 252, 272, 320, 352, 360, 384, 396, 399, 420, 432, 448, 465, 468, 536 ]
[ "nonn", "more" ]
A091175
[ 1, 2, 4, 10, 28, 90, 328, 1338, 6024, 29626, 158012, 909010, 5613780, 37055042, 260364176, 1940244658, 15284106448, 126896996146, 1107489613428, 10135926083290, 97067610544716, 970745888712042, 10119581002558168 ]
[ "nonn" ]
A194206
[ 0, 0, 0, 1, 2, 2, 3, 4, 4, 4, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 11, 11, 12, 12, 13, 13, 14, 15, 15, 15, 16, 16, 17, 18, 19, 19, 19, 19, 20, 21, 21, 22, 22, 23, 23, 24, 24, 25, 26, 26, 26, 27, 27, 28, 29, 29, 30, 30, 30, 31, 31, 32, 33, 33, 33, 34, 34, 35, 35, 36, 36, 37, 37 ]
[ "nonn" ]
A090415
[ 9, 13, 18, 23, 27, 32, 36, 41, 46, 50, 55, 60, 64, 69, 73, 78, 83, 87, 92, 97, 101, 106, 110, 115, 120, 124, 129, 134, 138, 143, 147, 152, 157, 161, 166, 171, 175, 180, 184, 189, 194, 198, 203, 208, 212, 217, 221, 226, 231, 235, 240, 245, 249, 254, 258, 263, 268 ]
[ "nonn" ]
A125842
[ 1, 1, 1, 2, 2, 3, 3, 3, 4, 3, 5, 3, 6, 5, 5, 6, 8, 3, 9, 7, 6, 8, 11, 4, 11, 9, 7, 10, 14, 3, 15, 11, 9, 11, 14, 6, 18, 13, 10, 11, 20, 6, 21, 14, 9, 15, 23, 8, 23, 13, 15, 17, 26, 10, 22, 16, 17, 18, 29, 7, 30, 20, 15, 21, 27, 8, 33, 23, 20, 17, 35, 12, 36, 23, 17, 24, 30, 12, 39, 21, 24 ]
[ "nonn" ]
A108445
[ 1, 0, 2, 4, 2, 4, 32, 18, 8, 8, 252, 146, 60, 24, 16, 2112, 1186, 496, 176, 64, 32, 18484, 10146, 4148, 1488, 480, 160, 64, 166976, 90162, 36216, 12792, 4160, 1248, 384, 128, 1545548, 824114, 326828, 113960, 36720, 11104, 3136, 896, 256, 14583808, 7699394 ]
[ "nonn", "tabl" ]
A361044
[ 1, 3, 8, 12, 8, 3, 1, 1, 5, 24, 60, 109, 161, 161, 109, 60, 24, 5, 1, 1, 7, 48, 168, 483, 1074, 1805, 2531, 2886, 2531, 1805, 1074, 483, 168, 48, 7, 1 ]
[ "nonn", "tabf", "more" ]
A100245
[ 1, 1, 2, 1, 7, 11, 3, 1, 12, 44, 56, 18, 1, 17, 102, 267, 302, 123, 11, 1, 22, 185, 758, 1597, 1670, 757, 106, 1, 27, 293, 1654, 5256, 9503, 9401, 4603, 908, 41, 1, 32, 426, 3080, 13254, 35004, 56456, 53588, 27688, 6716, 540, 1, 37, 584, 5161, 28191, 99183 ]
[ "nonn", "tabf" ]
A060969
[ 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 6, 8, 9, 11, 12, 15, 18, 22, 26, 31, 37, 46, 54, 66, 79, 97, 117, 141, 172, 209, 257, 309, 376, 457, 564, 687, 842, 1028, 1266, 1549, 1900, 2327, 2861, 3512, 4323, 5320, 6542, 8072, 9936, 12251, 15104, 18640, 23000, 28428 ]
[ "nonn" ]
A303372
[ 2, 5, 10, 17, 26, 37, 50, 65, 68, 73, 80, 82, 89, 100, 101, 113, 122, 128, 145, 164, 170, 185, 197, 208, 226, 233, 257, 260, 289, 290, 320, 325, 353, 362, 388, 401, 425, 442, 464, 485, 505, 530, 548, 577, 593, 626, 640, 677, 689, 730, 733, 738, 740, 745, 754, 765, 778 ]
[ "nonn", "easy" ]
A197548
[ 1, 1, 0, 2, 0, 0, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 2, 1, 1, 2, 1, 2, 2, 1, 0, 0, 1, 1, 1, 1, 1, 2, 0, 1, 1, 2, 1, 2, 1, 0, 0, 2, 1, 1, 0, 1, 2, 0, 1, 1, 1, 1, 1, 1, 2, 0, 0, 0, 0, 2, 0, 1, 1, 2, 2, 0, 0, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 2, 0, 1, 2 ]
[ "nonn" ]
A324214
[ 2, 4, 8, 12, 16, 32, 64, 76, 114, 128, 170, 256, 512, 1024, 1824, 2048, 2166, 4096, 7752, 8192, 16384, 16514, 28896, 32768, 41154, 59400, 65536, 68526, 90914, 131072, 177714, 230280, 262144, 276002, 428064, 524288, 722400, 781926, 1048576, 1299674, 1414272, 1546488 ]
[ "nonn" ]
A310107
[ 1, 3, 6, 11, 16, 19, 26, 31, 34, 35, 40, 45, 48, 55, 59, 64, 75, 77, 72, 81, 85, 86, 93, 97, 100, 111, 117, 110, 119, 125, 126, 133, 137, 138, 149, 153, 146, 159, 161, 164, 173, 177, 178, 189, 193, 180, 199, 201, 198, 211 ]
[ "nonn" ]
A104572
[ 1, 5, 1, 12, 5, 1, 22, 12, 5, 1, 35, 22, 12, 5, 1, 51, 35, 22, 12, 5, 1, 70, 51, 35, 22, 12, 5, 1, 92, 70, 51, 35, 22, 12, 5, 1, 117, 92, 70, 51, 35, 22, 12, 5, 1, 145, 117, 92, 70, 51, 35, 22, 12, 5, 1, 176, 145, 117, 92, 70, 51, 35, 22, 12, 5, 1, 210, 176, 145, 117, 92, 70, 51, 35 ]
[ "nonn", "tabl" ]
A021499
[ 0, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0 ]
[ "nonn", "cons" ]
A209994
[ 0, 1, 10, 31, 60, 105, 154, 223, 300, 393, 490, 607, 748, 889, 1034, 1215, 1404, 1593, 1818, 2031, 2300, 2569, 2810, 3071, 3436, 3753, 4042, 4399, 4796, 5129, 5610, 5967, 6412, 6857, 7242, 7759, 8380, 8809, 9242, 9775, 10460 ]
[ "nonn" ]
A076752
[ 1, 2, 3, 5, 5, 6, 7, 10, 10, 10, 11, 15, 13, 14, 15, 21, 17, 20, 19, 25, 21, 22, 23, 30, 26, 26, 30, 35, 29, 30, 31, 42, 33, 34, 35, 50, 37, 38, 39, 50, 41, 42, 43, 55, 50, 46, 47, 63, 50, 52, 51, 65, 53, 60, 55, 70, 57, 58, 59, 75, 61, 62, 70, 85, 65, 66, 67, 85, 69, 70, 71 ]
[ "mult", "nonn" ]
A324886
[ 2, 3, 5, 9, 7, 25, 11, 15, 35, 49, 13, 625, 17, 121, 117649, 225, 19, 1225, 23, 2401, 1771561, 169, 29, 875, 717409, 289, 55, 14641, 31, 184877, 37, 21, 4826809, 361, 36226650889, 1500625, 41, 529, 24137569, 77, 43, 143, 47, 28561, 1127357, 841, 53, 1715, 902613283, 514675673281, 47045881, 83521, 59, 3025, 8254129, 214358881, 148035889, 961, 61 ]
[ "nonn" ]
A170365
[ 1, 20, 380, 7220, 137180, 2606420, 49521980, 940917620, 17877434780, 339671260820, 6453753955580, 122621325156020, 2329805177964380, 44266298381323220, 841059669245141100, 15980133715657683000 ]
[ "nonn" ]
A086383
[ 2, 5, 29, 5741, 33461, 44560482149, 1746860020068409, 68480406462161290000, 1.355877461004671e+22, 4.125636888562549e+33, 4.760981394323204e+36 ]
[ "nonn" ]
A261404
[ 1129, 8089, 8761, 13729, 19009, 33049, 53089, 53881, 55441, 87481, 92569, 102001, 123601, 130729, 144169, 166609, 173209, 176401, 185641, 186481, 187009, 197521 ]
[ "nonn", "more" ]
A351096
[ 4, 6, 9, 10, 14, 15, 21, 22, 25, 26, 33, 34, 38, 39, 46, 49, 51, 55, 58, 62, 69, 74, 77, 82, 85, 86, 87, 91, 94, 95, 106, 111, 115, 118, 119, 121, 122, 123, 129, 133, 134, 141, 142, 143, 146, 155, 158, 159, 161, 166, 169, 178, 183, 185, 187, 194, 201, 202, 203, 206, 213, 214, 215, 218, 221, 226, 235, 247, 249, 253 ]
[ "nonn" ]
A321276
[ 1, 3, 20, 174, 1915, 25861, 407691, 7330188, 148016449, 3312032213, 81207824255, 2162810487154, 62125097028962, 1913156511113517, 62839800627095260, 2191735865280260900, 80859575674731500000, 3.144804693463679e+21, 1.285504530296842e+23 ]
[ "nonn" ]
A152791
[ 1, 1, -3, 84, -12520, 8233600, -14411593728, -376752260382720, 2151855694060454000, 4.688910243121374e+26, -9.194696085594216e+31 ]
[ "sign" ]
A021601
[ 0, 0, 1, 6, 7, 5, 0, 4, 1, 8, 7, 6, 0, 4, 6, 9, 0, 1, 1, 7, 2, 5, 2, 9, 3, 1, 3, 2, 3, 2, 8, 3, 0, 8, 2, 0, 7, 7, 0, 5, 1, 9, 2, 6, 2, 9, 8, 1, 5, 7, 4, 5, 3, 9, 3, 6, 3, 4, 8, 4, 0, 8, 7, 1, 0, 2, 1, 7, 7, 5, 5, 4, 4, 3, 8, 8, 6, 0, 9, 7, 1, 5, 2, 4, 2, 8, 8, 1, 0, 7, 2, 0, 2, 6, 8, 0, 0, 6, 7 ]
[ "nonn", "cons", "easy" ]
A262223
[ 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 11, 22, 14, 16, 18, 20, 22, 24, 26, 28, 22, 23, 44, 26, 28, 30, 32, 34, 36, 38, 33, 34, 35, 66, 38, 40, 42, 44, 46, 48, 44, 45, 46, 47, 88, 50, 52, 54, 56, 58, 55, 56, 57, 58, 59, 110, 62, 64, 66, 68, 66, 67, 68, 69, 70, 71 ]
[ "nonn", "base" ]
A023685
[ 1609, 1649, 1777, 2209, 2297, 2617, 2665, 2869, 3017, 3089, 3233, 3369, 3857, 3889, 4169, 4261, 4409, 4417, 4429, 4432, 4477, 4549, 4597, 4757, 4817, 4897, 5025, 5164, 5437, 5501, 5584, 5653, 5753, 5864, 5913, 6241, 6449, 6581, 6757, 6793, 7096, 7177, 7265, 7333, 7373, 7376, 7672, 7684, 7717, 7909 ]
[ "nonn" ]
A108568
[ 2, 3, 5, 9, 13, 17, 21, 25, 33, 39, 45, 53, 57, 61, 69, 79, 85, 91, 99, 103, 109, 117, 125, 137, 147, 151, 155, 159, 163, 179, 195, 203, 209, 219, 229, 235, 245, 253, 261, 271, 277, 287, 297, 301, 305, 317, 339, 353, 357, 361, 369, 375, 385, 399, 409, 419, 425 ]
[ "easy", "nonn" ]
A313654
[ 1, 5, 10, 14, 20, 28, 29, 38, 37, 49, 46, 61, 61, 68, 71, 75, 84, 85, 95, 96, 103, 107, 110, 123, 119, 132, 129, 143, 140, 151, 153, 158, 163, 169, 176, 181, 183, 190, 193, 201, 204, 213, 215, 218, 225, 231, 236, 243, 245, 254 ]
[ "nonn" ]
A304923
[ 16, 22, 73, 266, 1054, 4186, 16158, 63555, 251536, 988178, 3881249, 15283765, 60169598, 236666582, 931151693, 3664515375, 14419463010, 56735373146, 223247607871, 878464272129, 3456612805830, 13601219460000, 53519079374945 ]
[ "nonn" ]
A120812
[ 1, 44, 700, 7460, 63648, 470934, 3155691, 19660630, 115855025, 653392740, 3556757490, 18805317960, 97034823600, 490465092600, 2435567286708, 11910569958216, 57470522059594, 274051266477560, 1293219035408080 ]
[ "nonn" ]
A013447
[ 1, 0, 0, 160, -1792, 484224, -15071232, 6570936320, -461050544128, 285431558799360, -41198126773469180, 31834693166688370000, -8.575650915562516e+21, 7.808988993818085e+24 ]
[ "sign" ]
A116923
[ 1, 5, 1, 12, 7, 2, 22, 26, 20, 6, 35, 74, 112, 84, 24, 51, 183, 484, 672, 456, 120, 70, 417, 1818, 4140, 4968, 3000, 720, 92, 904, 6288, 22014, 41400, 42840, 23040, 5040, 117, 1900, 20672, 106920, 295056, 464040, 418320, 201600, 40320, 145, 3917, 65816, 489696, 1902960 ]
[ "nonn", "tabl" ]
A132345
[ 0, 0, 0, 1, 1, 1, 1, 2, 4, 4, 4, 5, 5, 5, 5, 8, 8, 10, 10, 11, 11, 11, 11, 12, 16, 16, 18, 19, 19, 19, 19, 22, 22, 22, 22, 27, 27, 27, 27, 28, 28, 28, 28, 29, 31, 31, 31, 34, 40, 44, 44, 45, 45, 47, 47, 48, 48, 48, 48, 49, 49, 49, 51, 58, 58, 58, 58, 59, 59, 59, 59, 64, 64, 64, 68 ]
[ "easy", "nonn" ]
A115360
[ 1, -1, 1, 0, 0, 0, 1, -1, 1, 0, 0, 0, 1, -1, 1, 0, 0, 0, 1, -1, 1, 0, 0, 0, 1, -1, 1, 0, 0, 0, 1, -1, 1, 0, 0, 0, 1, -1, 1, 0, 0, 0, 1, -1, 1, 0, 0, 0, 1, -1, 1, 0, 0, 0, 1, -1, 1, 0, 0, 0, 1, -1, 1, 0, 0, 0, 1, -1, 1, 0, 0, 0, 1, -1, 1, 0, 0, 0, 1, -1, 1 ]
[ "sign", "easy" ]
A105411
[ 3, 17, 29, 59, 227, 269, 617, 1031, 1277, 1289, 1301, 1607, 1667, 1697, 2087, 2129, 2309, 2711, 2789, 3257, 3527, 3539, 3557, 3917, 4019, 4241, 4517, 4637, 4787, 5477, 5501, 5639, 6551, 7307, 8819, 8837, 8999, 9011, 10037, 10067, 10271, 10499, 12041 ]
[ "nonn" ]
A256943
[ 1, 1, 3, 6, 16, 38, 100, 254, 674, 1772, 4760, 12783, 34745, 94692, 260040, 716546, 1984984, 5517179, 15396331, 43094834, 121008580, 340686763, 961686971, 2720893669, 7715273753, 21921047638, 62401862460, 177948692666, 508289340032, 1454107965549 ]
[ "nonn" ]
A209166
[ 1, 2, 1, 4, 5, 2, 7, 13, 10, 3, 12, 30, 34, 20, 5, 20, 63, 94, 80, 38, 8, 33, 126, 233, 258, 177, 71, 13, 54, 243, 536, 728, 647, 374, 130, 21, 88, 457, 1171, 1881, 2043, 1527, 765, 235, 34, 143, 843, 2461, 4559, 5835, 5319, 3443, 1525, 420, 55, 232 ]
[ "nonn", "tabl" ]
A323633
[ 1, -1, 1, -1, 1, -1, 1, -1, 0, 1, -2, 3, -4, 5, -6, 7, -7, 6, -4, 1, 3, -8, 14, -21, 28, -34, 38, -40, 38, -31, 18, 2, -29, 62, -99, 139, -178, 211, -232, 234, -210, 154, -62, -70, 242, -449, 680, -917, 1135, -1303, 1386, -1344, 1136, -725, 85, 794, -1898, 3183, -4571 ]
[ "sign" ]
A062252
[ 2, 3, 5, 7, 13, 19, 23, 41, 71, 109, 179, 239, 269, 347, 353, 443, 503, 509, 617, 641, 701, 773, 881, 971, 977, 1013, 1019, 1103, 1109, 1223, 1559, 1607, 1709, 1889, 2063, 2297, 2663, 2963, 3137 ]
[ "nonn", "nice", "more" ]
A198875
[ 5, 8, 0, 0, 3, 6, 6, 7, 8, 6, 4, 7, 0, 9, 7, 6, 9, 4, 5, 4, 8, 3, 6, 7, 9, 1, 6, 1, 9, 0, 6, 3, 7, 2, 4, 8, 2, 4, 2, 2, 3, 7, 7, 1, 9, 1, 5, 0, 0, 4, 5, 3, 3, 4, 5, 9, 2, 0, 4, 8, 4, 6, 2, 5, 5, 0, 1, 0, 1, 5, 5, 1, 5, 8, 5, 1, 4, 3, 4, 7, 6, 9, 6, 1, 2, 0, 5, 8, 8, 8, 1, 0, 9, 9, 6, 7, 9, 0, 1 ]
[ "nonn", "cons" ]
A249136
[ 1, 8, 7, 4, 5, 2, 1, 4, 6, 4, 0, 3, 4, 2, 6, 4, 1, 8, 7, 6, 0, 0, 3, 2, 4, 8, 2, 0, 4, 7, 0, 2, 6, 4, 1, 2, 0, 1, 4, 7, 2, 1, 9, 3, 9, 8, 9, 1, 7, 0, 5, 6, 0, 7, 4, 6, 8, 3, 7, 8, 2, 4, 8, 9, 3, 1, 6, 2, 7, 1, 0, 4, 4, 4, 7, 1, 4, 7, 3, 1, 3, 8, 8, 2, 8, 5, 6, 6, 0, 1, 8, 7, 6, 8, 7, 4, 5, 8, 2, 8, 9, 6 ]
[ "nonn", "cons", "easy" ]
A375065
[ 0, 21, 1798, 429, 10727, 431795, 8394951, 171051143 ]
[ "nonn", "more" ]
A292674
[ 1, 4, 9, 16, 18, 18, 20, 20, 22, 22, 23, 23, 23, 24, 25, 26, 26, 26, 29, 32, 32, 34, 36, 38, 38, 38, 42, 42, 42, 44, 44, 45, 48, 49, 49, 49, 54, 54, 54, 56, 59, 59, 64, 65, 68, 69, 70, 73, 76, 78, 79, 79, 82, 82, 83, 86, 87, 89, 90, 92, 95, 95, 96, 96, 97, 97 ]
[ "nonn" ]
A382125
[ 1, 3, 15, 52, 180, 555, 1696, 4809, 13410, 35844, 93771, 238305, 594403, 1449441, 3476607, 8190824, 19015548, 43492230, 98197506, 218885763, 482337864, 1051051262, 2266904481, 4840955055, 10242621395, 21479302368, 44666897613, 92139573135, 188617118541, 383280793962, 773395096907 ]
[ "nonn" ]
A258221
[ 1, 2, 11, 90, 952, 12203, 182677, 3118314, 59688447, 1265193199, 29408221404, 743677646836, 20325564686926, 597051775012306, 18758388926380410, 627712133246362500, 22288938527631884000, 837033514431748400000, 3.314603705672168e+22, 1.3803654444431387e+24 ]
[ "nonn" ]
A005284
[ 1, 6, 27, 111, 440, 1717, 6655, 25728, 99412, 384320, 1487262, 5762643, 22357907, 86859412, 337879565, 1315952428, 5131231668, 20029728894, 78265410550, 306109412100, 1198306570554, 4694809541046, 18407850118383 ]
[ "nonn" ]
A171613
[ 0, 2, 8, 18, 23, 32, 45, 62, 74, 90, 101, 125, 153, 185, 212, 234, 269, 308, 333, 371, 404, 450, 500, 545, 594, 638, 695, 747, 803, 854, 909, 977, 1031, 1107, 1169, 1235, 1314, 1388, 1457, 1530, 1607, 1697, 1782, 1871, 1955, 2034, 2126, 2222, 2313, 2408, 2507 ]
[ "base", "nonn" ]
A178621
[ 1, 1, -2, 5, 13, 24, -229, -365, 7394, -59449, -572233, -7773360, 151071097, -578687351, -87627413666, 1616831255645, 95461592201461, 5420484489890376, -308006807300556160, 18159275356643110000, 3.018684797307268e+21 ]
[ "easy", "sign" ]
A297871
[ 0, 3, 0, 3, 0, 3, 6, 23, 68, 205, 572, 1553, 4208, 11405, 30988, 84553, 231176, 632915, 1734004, 4751591, 13021550, 35685855, 97797264, 268015939, 734511376, 2012982445, 5516772882, 15119337301, 41436399090, 113561805901, 311231201784 ]
[ "nonn" ]
A222585
[ 5, 59, 426, 11442, 111951, 3778560, 41768676, 1506610325, 17357088679, 636943229353, 7432232971076, 274815146069546, 3227773066527514, 119899193405842580, 1414159783426636800, 52710154832225030000 ]
[ "nonn" ]
A091947
[ 0, 1, 21, 331, 4641, 61051, 771561, 9487171, 14358881, 357947691, 5937424601, 85311670611, 138428376721, 4522712143931, 79749833583241, 177248169415651, 5949729863572161, 5447028499293771, 559917313492231500 ]
[ "nonn" ]
A007635
[ 17, 19, 23, 29, 37, 47, 59, 73, 89, 107, 127, 149, 173, 199, 227, 257, 359, 397, 479, 523, 569, 617, 719, 773, 829, 887, 947, 1009, 1277, 1423, 1499, 1657, 1823, 1997, 2087, 2179, 2273, 2467, 2879, 3209, 3323, 3557, 3677, 3923, 4049, 4177, 4987, 5273 ]
[ "nonn", "easy" ]
A267055
[ 1, 3, 20, 47, 336, 703, 5440, 11007, 87296, 175103, 1397760, 2797567, 22368256, 44744703, 357908480, 715849727, 5726601216, 11453333503, 91625881600, 183252287487, 1466015154176, 2932032405503, 23456246661120, 46912501710847, 375299963355136, 750599960264703 ]
[ "nonn", "easy" ]
A030497
[ 1, 3, 4, 8, 10, 14, 16, 18, 21, 27, 30, 35, 38, 41, 45, 51, 54, 59, 62, 65, 69, 75, 78, 83, 86, 89, 93, 96, 100, 104, 108, 112, 116, 124, 128, 134, 138, 142, 147, 154, 158, 164, 168, 172, 177, 184, 188, 194, 198, 202, 207, 211, 216, 221, 226, 231, 236, 244 ]
[ "nonn" ]
A005050
[ 6, 7, 8, 9, 11, 12, 13, 14, 16, 17, 18, 19, 21, 22, 23, 24, 25, 28, 31, 32, 34, 35, 36, 38, 39, 40, 43, 44, 45, 47, 48, 49, 50, 53, 55, 57, 58, 60, 61, 63, 64, 65, 67, 69, 70, 72, 73, 74, 75, 79, 81, 82, 84, 85, 87, 88, 90, 92, 93, 94, 95, 97, 98, 99, 100, 104 ]
[ "nonn" ]
A360008
[ 1, 3, 5, 6, 7, 11, 12, 13, 14, 17, 18, 19, 23, 24, 26, 29, 31, 37, 38, 41, 42, 43, 47, 48, 52, 53, 54, 58, 59, 61, 67, 71, 72, 73, 74, 76, 79, 83, 86, 89, 92, 96, 97, 101, 103, 104, 106, 107, 108, 109, 113, 122, 124, 127, 131, 137, 139, 142, 148, 149, 151, 152 ]
[ "nonn" ]
A220942
[ 8, 20483, 11115933, 6388528170, 3629112057868, 2062231582631930, 1171541018314271500, 665539183907554000000, 3.780805792350637e+23 ]
[ "nonn" ]
A014312
[ 15, 23, 27, 29, 30, 39, 43, 45, 46, 51, 53, 54, 57, 58, 60, 71, 75, 77, 78, 83, 85, 86, 89, 90, 92, 99, 101, 102, 105, 106, 108, 113, 114, 116, 120, 135, 139, 141, 142, 147, 149, 150, 153, 154, 156, 163, 165, 166, 169, 170, 172, 177, 178, 180, 184, 195, 197 ]
[ "nonn", "base", "easy" ]
A320324
[ 1, 2, 3, 4, 5, 7, 8, 9, 11, 13, 15, 16, 17, 19, 23, 25, 27, 29, 31, 32, 33, 37, 41, 43, 45, 47, 49, 51, 53, 55, 59, 61, 64, 67, 71, 73, 75, 79, 81, 83, 85, 89, 91, 93, 97, 99, 101, 103, 107, 109, 113, 121, 123, 125, 127, 128, 131, 135, 137, 139, 149, 151, 153 ]
[ "nonn" ]
A274106
[ 1, 1, 1, 2, 1, 4, 2, 1, 8, 14, 4, 1, 12, 38, 32, 4, 1, 18, 98, 184, 100, 8, 1, 24, 188, 576, 652, 208, 8, 1, 32, 356, 1704, 3532, 2816, 632, 16, 1, 40, 580, 3840, 12052, 16944, 9080, 1280, 16, 1, 50, 940, 8480, 38932, 89256, 93800, 37600, 3856, 32, 1, 60, 1390, 16000, 98292, 322848, 540080, 412800, 116656, 7744, 32 ]
[ "nonn", "tabf" ]
A124077
[ 3, 5, 7, 29, 73, 2131, 4211 ]
[ "hard", "nonn", "more", "base" ]
A379496
[ 2, 4, 3, 4, 13, 15, 5, -16, 16, 35, 33, 59, 103, 189, -3, -188, 31, -44, 53, -55, 123, 225, 75, 89, 216, 451, 315, 385, 1153, 2037, 11, -2284, -171, 23, -5, -4160, 193, 225, 69, -247, 271, -1599, 453, 819, 1339, 2499, 141, -309, 422, 312, 605, 65, 2143, 4239, 979, 1985, 2673, 5993, 5003, 2275, 15013, 29991, -165 ]
[ "sign" ]
A177814
[ 1, 3, 5, 15, 57, 183, 285, 355, 505, 915, 1065, 1515, 2005, 2265, 3477, 6015, 10887, 12165, 17385, 20005, 20235, 27015, 28785, 35855, 43035, 54435, 60015, 64965, 92415, 107565, 114285, 134139, 138165, 142355, 160815, 201995, 202505, 228765 ]
[ "nonn" ]
A292266
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 5, 11, 12, 10, 13, 14, 15, 16, 17, 16, 18, 19, 16, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 24, 34, 35, 36, 37, 38, 39, 11, 16, 6, 40, 41, 42, 43, 44, 7, 45, 46, 47, 48, 49, 50, 51, 52, 53, 43, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 57, 76, 77, 78, 79, 80, 81 ]
[ "nonn" ]
A105239
[ 1, 2, 1, 4, 3, 4, 1, 2, 1, 3, 4, 3, 2, 1, 2, 3, 4, 3, 1, 2, 1, 4, 3, 4, 1, 2, 1, 2, 1, 2, 3, 4, 3, 2, 1, 2, 4, 3, 4, 1, 2, 1, 4, 3, 4, 2, 1, 2, 3, 4, 3, 2, 1, 2, 1, 2, 1, 4, 3, 4, 1, 2, 1, 3, 4, 3, 2, 1, 2, 3, 4, 3, 1, 2, 1, 4, 3, 4, 1, 2, 1, 4, 3, 4, 1, 2, 1, 4, 3, 4, 2, 1, 2, 3, 4, 3, 2, 1, 2, 4, 3, 4, 1, 2, 1 ]
[ "nonn", "easy", "less" ]
A341151
[ 1, 1, 2, 2, 3, 3, 4, 2, 6, 5, 4, 4, 6, 5, 8, 6, 6, 6, 8, 4, 11, 8, 6, 8, 12, 6, 10, 8, 8, 10, 10, 6, 14, 13, 10, 12, 13, 8, 12, 10, 10, 11, 12, 10, 21, 10, 10, 6, 19, 11, 20, 18, 6, 21, 18, 8, 19, 14, 10, 12, 18, 12, 16, 14, 19, 22, 18, 10, 20, 18, 16, 14, 16 ]
[ "nonn" ]
A132628
[ 1, 6, 10, 11, 15, 19, 20, 22, 24, 30, 31, 33, 35, 42, 51, 52, 60, 62, 66, 68, 71, 79, 87, 90, 100, 101, 102, 103, 104, 105, 109, 110, 112, 114, 118, 120, 123, 124, 130, 132, 136, 138, 141, 143, 145, 147, 150, 153, 160, 161, 165, 167, 168, 174, 177, 190, 194, 198 ]
[ "nonn", "base", "easy" ]
A341758
[ 0, 1, 2, 2, 3, 2, 3, 6, 6, 2, 4, 11, 38, 38, 2, 5, 18, 1446 ]
[ "nonn", "tabl", "more" ]
A354482
[ 1, 2, 4, 5, 7, 8, 9, 10, 17, 20, 22, 24, 26, 27, 28, 30, 31, 32, 34, 35, 36, 37, 39, 42, 44, 45, 46, 49, 50, 51, 52, 54, 55, 56, 59, 61, 62, 65, 66, 67, 69, 70, 73, 74, 75, 78, 79, 82, 83, 84, 86, 88, 89, 90, 92, 96, 97, 98, 99, 100, 101, 102, 105, 109, 110 ]
[ "nonn", "base" ]
A106890
[ 11, 13, 17, 23, 31, 41, 47, 53, 59, 67, 79, 83, 101, 103, 107, 109, 127, 139, 167, 181, 193, 197, 229, 239, 251, 281, 283, 293, 307, 311, 317, 337, 353, 359, 367, 379, 397, 401, 431, 439, 443, 461, 479, 487, 509, 541, 547, 557, 563, 569, 599, 613, 617, 619 ]
[ "nonn", "easy" ]
A016703
[ 4, 3, 8, 2, 0, 2, 6, 6, 3, 4, 6, 7, 3, 8, 8, 1, 6, 1, 2, 2, 6, 9, 6, 8, 7, 8, 1, 9, 0, 5, 8, 8, 9, 3, 9, 1, 1, 8, 2, 7, 6, 0, 1, 8, 9, 1, 7, 0, 9, 5, 3, 8, 7, 3, 8, 3, 9, 5, 3, 6, 7, 9, 2, 9, 4, 4, 7, 7, 5, 3, 4, 7, 5, 5, 8, 6, 4, 3, 6, 6, 2, 7, 0, 5, 3, 5, 8, 7, 1, 8, 6, 0, 7, 8, 8, 5, 4, 3, 6 ]
[ "nonn", "cons" ]
A243920
[ 0, 1, 0, 1, 3, 0, 4, 3, 5, 0, 27, 18, 5, 7, 0, 254, 159, 40, 7, 9, 0, 3048, 1836, 435, 70, 9, 11, 0, 44328, 26028, 5930, 903, 108, 11, 13, 0, 755681, 435804, 96640, 14168, 1611, 154, 13, 15, 0, 14750646, 8395065, 1825600, 260484, 28566, 2607, 208, 15, 17, 0, 323999500 ]
[ "nonn", "tabl" ]
A096416
[ 1, 0, 3, 6, 8, 4, 5, 0, 2, 3, 8, 5, 8, 3, 9, 7, 1, 9, 0, 2, 7, 4, 1, 6, 7, 9, 6, 6, 9, 4, 1, 0, 0, 6, 5, 6, 6, 8, 4, 1, 3, 8, 9, 5, 1, 9, 1, 3, 1, 5, 2, 4, 5, 4, 9, 5, 4, 8, 4, 1, 2, 3, 2, 4, 6, 7, 4, 0, 3, 3, 7, 2, 9, 3, 9, 6, 6, 3, 5, 0, 8, 2, 8, 7, 0, 7, 1, 1, 2, 5, 5, 9, 3, 2, 6, 7, 5, 4, 6, 1, 3, 9, 6, 4, 1 ]
[ "cons", "nonn" ]
A312552
[ 1, 4, 8, 14, 18, 24, 28, 33, 36, 41, 45, 50, 56, 60, 66, 70, 75, 77, 83, 85, 92, 98, 102, 108, 112, 117, 117, 125, 125, 134, 140, 144, 150, 154, 159, 157, 167, 165, 176, 182, 186, 192, 196, 201, 197, 209, 205, 218, 224, 228 ]
[ "nonn" ]
A145457
[ 1, 0, 0, 0, 0, 0, 0, 1, 8, 36, 120, 330, 792, 1716, 5148, 57915, 835120, 9354488, 84047184, 638567124, 4256855760, 25607297880, 144863655024, 869425029957, 7081044528888, 83816629147900, 1131047706331400, 14634713798592030, 173380501913172830 ]
[ "nonn" ]
A242598
[ 1, 2, 1, 2, 5, 1, 2, 14, 10, 1, 2, 30, 58, 17, 1, 2, 55, 258, 167, 26, 1, 2, 91, 978, 1247, 386, 37, 1, 2, 140, 3330, 7862, 4306, 772, 50, 1, 2, 204, 10498, 44150, 40146, 11972, 1394, 65, 1, 2, 285, 31234, 227858, 330450, 153722, 28610, 2333, 82, 1, 2, 385, 88834, 1102658, 2480850, 1728722, 482210, 61133, 3682, 101, 1 ]
[ "nonn", "tabl" ]
A091374
[ 1, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 22, 22, 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, 28, 28, 29, 29, 30, 30, 30, 30, 31, 31, 32, 32, 33, 33, 34, 34, 35, 35 ]
[ "nonn" ]
A161582
[ 0, 7, 336, 15792, 741895, 34853280, 1637362272, 76921173511, 3613657792752, 169764995085840, 7975341111241735, 374671267233275700, 17601574218852717000, 826899317018844500000, 3.884666632566683e+22, 1.8249664179893224e+24, 8.573457497917248e+25 ]
[ "nonn", "easy" ]
A212745
[ 1, 8, 27, 83, 162, 277, 495, 730, 1025, 1513, 1988, 2547, 3413, 4212, 5119, 6471, 7678, 9017, 10963, 12662, 14517, 17165, 19440, 21895, 25353, 28288, 31427, 35803, 39482, 43389, 48791, 53298, 58057, 64593, 70012, 75707, 83485, 89900 ]
[ "nonn", "easy" ]
A030648
[ 1, 27, 351, 3003, 19305, 100386, 442442, 1706562, 5895396, 18559580, 53965548, 146477916, 374332452, 907036326, 2096092350, 4642456390, 9895762305, 20373628275, 40639459575, 78751105875, 148599912825, 273612537900, 492502568220, 868056366060, 1500344336400 ]
[ "nonn", "easy" ]
A180552
[ 5, 7, 53, 59, 73, 79, 251, 271, 353, 359, 373, 379, 509, 569, 571, 653, 673, 709, 751, 769, 1151, 1171, 1259, 1279, 1451, 1471, 1523, 1579, 1583, 1723, 1759, 1783, 2351, 2371, 2531, 2549, 2591, 2731, 2749, 2791, 3251, 3271, 3533, 3539, 3559, 3593, 3733 ]
[ "base", "nonn" ]
A263933
[ 1, 2, 3, 11, 17, 49, 80, 249, 414, 1237, 2099, 6314, 10846, 32254, 56036, 166127, 291145, 858237, 1515675, 4450576, 7910979, 23136531, 41361393, 120553201, 216600707, 629294119, 1135763262, 3290238806, 5962334608, 17226509737 ]
[ "nonn" ]
A263513
[ 7, 35, 208, 1198, 7022, 41035, 240237, 1406038, 8230727, 48180019, 282036139, 1650978414, 9664491503, 56573952014, 331172398977, 1938615771254, 11348262181134, 66430417127424, 388870142636120, 2276366675982209 ]
[ "nonn" ]
A378455
[ 1272, 2644, 2684, 3141, 3144, 3185, 3184, 3185, 3184, 3185, 3184, 3185, 3184, 3185, 3184, 3185, 3184, 3185, 3184, 3185, 3184, 3185, 3184, 3185, 3184, 3185, 3184, 3185, 3184, 3185, 3184, 3185, 3184, 3185, 3184, 3185, 3184, 3185, 3184, 3185, 3184, 3185, 3184, 3185 ]
[ "nonn", "easy" ]
A178830
[ 0, 0, 1, 0, 1, 1, 1, 1, 1, 3, 1, 2, 1, 3, 3, 3, 3, 1, 4, 4, 3, 2, 2, 4, 3, 5, 3, 2, 4, 5, 4, 5, 6, 1, 4, 2, 5, 4, 7, 4, 4, 3, 3, 6, 14, 3, 4, 10, 6, 3, 6, 4, 4, 4, 8, 7, 6, 8, 7, 10, 5, 11, 8, 5, 11, 4, 7, 7, 5, 8, 12, 5, 6, 9, 8, 11, 8, 5, 8, 9, 8, 10, 8, 12, 7, 11, 8, 7, 7, 8, 6, 7, 8, 11, 8, 16, 9, 12, 13, 8 ]
[ "nonn", "nice" ]
A188050
[ 0, 20, 100, 280, 600, 1100, 1820, 2800, 4080, 5700, 7700, 10120, 13000, 16380, 20300, 24800, 29920, 35700, 42180, 49400, 57400, 66220, 75900, 86480, 98000, 110500, 124020, 138600, 154280, 171100, 189100, 208320, 228800, 250580, 273700 ]
[ "nonn", "easy" ]
A064102
[ 17, 149, 677, 853, 1277, 5437, 6101, 13499, 13921, 19853, 22073, 41863, 49667, 51307, 51797, 55799, 61637, 66337, 83227, 91121, 100957, 103963, 109111, 113147, 128747, 136309, 137933, 148157, 158849, 163117, 167249, 179033, 205171, 208927 ]
[ "easy", "nonn" ]
A017332
[ 625, 50625, 390625, 1500625, 4100625, 9150625, 17850625, 31640625, 52200625, 81450625, 121550625, 174900625, 244140625, 332150625, 442050625, 577200625, 741200625, 937890625, 1171350625, 1445900625, 1766100625, 2136750625, 2562890625, 3049800625, 3603000625 ]
[ "nonn", "easy" ]
A253046
[ 1, 2, 3, 9, 5, 15, 7, 8, 4, 21, 11, 12, 13, 33, 6, 16, 17, 18, 19, 20, 10, 39, 23, 24, 25, 51, 27, 28, 29, 30, 31, 32, 14, 57, 35, 36, 37, 69, 22, 40, 41, 42, 43, 44, 45, 87, 47, 48, 49, 50, 26, 52, 53, 54, 55, 56, 34, 93, 59, 60, 61, 111, 63, 64, 65, 66, 67 ]
[ "nonn" ]
A052287
[ 3, 6, 9, 12, 18, 24, 27, 30, 36, 45, 48, 54, 60, 63, 72, 81, 84, 90, 96, 108, 120, 126, 132, 135, 144, 150, 162, 168, 180, 189, 192, 198, 210, 216, 225, 234, 240, 243, 252, 264, 270, 288, 297, 300, 306, 312, 315, 324, 330, 336, 351, 360, 378, 384, 390, 396 ]
[ "easy", "nice", "nonn" ]
A200297
[ 5, 8, 8, 4, 7, 0, 8, 6, 9, 2, 8, 6, 8, 5, 2, 6, 1, 6, 4, 9, 9, 7, 9, 8, 6, 4, 8, 5, 6, 0, 3, 6, 6, 1, 8, 8, 2, 9, 8, 3, 2, 9, 5, 4, 3, 1, 0, 7, 1, 1, 9, 3, 6, 5, 0, 0, 9, 1, 7, 5, 7, 7, 4, 4, 8, 9, 7, 9, 1, 0, 8, 7, 6, 1, 0, 5, 0, 6, 5, 4, 1, 1, 8, 9, 1, 8, 1, 9, 7, 5, 0, 0, 7, 4, 4, 7, 5, 3, 6 ]
[ "nonn", "cons" ]
A153995
[ 1, 2, 4, 16, 64, 480, 3736, 56603, 866980, 25953214, 787663876, 46715890643, 2808165369921, 329814202089783, 39245990906253440, 9118402420254408000, 2.1469320746321117e+21 ]
[ "nonn" ]
A139848
[ 7, 43, 67, 127, 163, 463, 487, 547, 823, 883, 907, 967, 1087, 1303, 1327, 1423, 1663, 1723, 1747, 2083, 2143, 2347, 2503, 2647, 2683, 2767, 3067, 3187, 3343, 3607, 3823, 3847, 3907, 3943, 4027, 4243, 4327, 4363, 4447, 4603, 4663, 4783, 5023 ]
[ "nonn", "easy" ]
A092263
[ 1, 3, 6, 10, 17, 29, 48, 78, 127, 207, 336, 544, 881, 1427, 2310, 3738, 6049, 9789, 15840, 25630, 41471, 67103, 108576, 175680, 284257, 459939, 744198, 1204138, 1948337, 3152477, 5100816, 8253294, 13354111, 21607407, 34961520, 56568928 ]
[ "nonn" ]
A127384
[ 1, 1, 2, 4, 9, 23, 62, 179, 543, 1705, 5482, 18056, 60634, 206824 ]
[ "nonn" ]