id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A125707
[ 1, 2, 3, 4, 5, 7, 14, 15, 17, 23, 32, 36, 42, 309, 1384, 1588, 5631, 11226 ]
[ "nonn", "hard", "more" ]
A271338
[ 0, 1, 36, 19788, 201709343, 26246080066323, 26082639397246677000, 1.7316235547004814e+26 ]
[ "nonn" ]
A017511
[ 1000, 9261, 32768, 79507, 157464, 274625, 438976, 658503, 941192, 1295029, 1728000, 2248091, 2863288, 3581577, 4410944, 5359375, 6434856, 7645373, 8998912, 10503459, 12167000, 13997521, 16003008, 18191447, 20570824, 23149125, 25934336, 28934443, 32157432 ]
[ "nonn", "easy" ]
A354111
[ 0, 1, 2, 6, 3, 7, 4, 5, 19, 8, 141, 25, 9, 133, 28, 132, 10, 24, 135, 23, 11, 131, 29, 91, 26, 12, 98, 378, 32, 78, 13, 44, 39, 124, 157, 230, 14, 275, 220, 105, 178, 229, 15, 69, 365, 51, 54, 153, 385, 16, 163, 303, 62, 104, 227, 123, 17, 43, 476, 66, 212, 83, 106, 134, 18, 30, 210, 195, 56 ]
[ "nonn", "base" ]
A190368
[ 3, 8, 12, 17, 21, 26, 30, 35, 39, 44, 48, 53, 57, 62, 66, 71, 75, 80, 84, 89, 93, 98, 103, 107, 112, 116, 121, 125, 129, 134, 139, 143, 148, 152, 157, 161, 165, 170, 175, 180, 184, 188, 193, 198, 201, 207, 211, 216, 220, 224, 229, 234, 237, 243, 246, 252, 256, 260, 266, 270, 274, 279, 283, 288, 293, 296, 302, 306, 310, 315, 319, 324 ]
[ "nonn" ]
A242938
[ 7, 3, 7, 1, 9, 6, 8, 8, 0, 1, 4, 6, 1, 3, 1, 6, 5, 0, 9, 1, 5, 3, 1, 9, 1, 2, 0, 8, 2, 6, 8, 0, 9, 1, 5, 8, 8, 8, 5, 8, 7, 6, 3, 5, 4, 7, 2, 2, 6, 6, 2, 2, 6, 6, 8, 9, 4, 3, 5, 4, 6, 1, 0, 4, 2, 3, 1, 0, 1, 5, 6, 7, 4, 3, 0, 0, 0, 7, 2, 8, 9, 4, 4, 7, 5, 7, 0, 8, 8, 2, 4, 7, 8, 0, 5, 5, 6, 9, 9, 5 ]
[ "nonn", "cons" ]
A233716
[ 853104, 27795204, 1132387344, 58415215048, 3129633625144, 177945200983012, 10112718125166672, 585923771078406700, 33788190430111625000, 1.964395047286387e+21, 1.1375390784971504e+23 ]
[ "nonn" ]
A093601
[ 6, 2, 5, 7, 3, 5, 8, 0, 7, 2, 0, 5, 2, 7, 0, 0, 1, 9, 0, 4, 6, 4, 7, 4, 6, 9, 1, 8, 0, 3, 2, 8, 6, 0, 2, 8, 8, 7, 8, 1, 2, 9, 1, 8, 0, 3, 1, 4, 2, 2, 6, 2, 6, 4, 2, 8, 2, 8, 9, 7, 2, 1, 5, 8, 6, 8, 6, 0, 5, 4, 8, 3, 6, 8, 2, 4, 6, 3, 3, 4, 8, 0, 0, 5, 9, 3, 6, 0, 2, 2, 6, 0, 6, 0, 4, 4, 2, 9, 6, 8, 3, 1 ]
[ "nonn", "cons" ]
A166437
[ 1, 43, 1806, 75852, 3185784, 133802928, 5619722976, 236028364992, 9913191329664, 416354035845888, 17486869505527296, 734448519232145500, 30846837807750074000, 1.2955671879255015e+21, 5.4413821892871e+22 ]
[ "nonn" ]
A073356
[ 1, 1, 3, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 5, 2, 17, 1, 1, 2, 7, 1, 1, 2, 1, 1, 1, 2, 1, 3, 1, 2, 3, 1, 1, 6, 1, 1, 3, 2, 1, 3, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 53, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 3, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 3, 1, 2, 1, 1, 1, 14, 1, 1, 1, 2, 1, 1, 7, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1 ]
[ "nonn" ]
A088758
[ 0, 1, 2, 4, 6, 7, 16, 17, 21, 24, 27, 34, 37, 39, 46, 47, 54, 56, 57, 71, 72, 74, 87, 89, 92, 97, 102, 109, 119, 122, 126, 131, 136, 137, 144, 146, 147, 152, 156, 162, 164, 176, 177, 182, 187, 189, 191, 204, 211, 214, 221, 226, 232, 234, 237, 239, 254, 256, 261, 267 ]
[ "nonn", "easy" ]
A039673
[ 2, 4, 5, 7, 11, 13, 23, 25, 38, 40, 50, 52, 56, 58, 59, 61, 74, 76, 86, 88, 101, 103, 104, 106, 122, 124, 131, 133, 149, 151, 164, 166, 173, 175, 185, 187, 200, 202, 236, 238, 248, 250, 254, 256, 266, 268, 275, 277, 281, 283, 308, 310, 329, 331, 344, 346, 380 ]
[ "nonn" ]
A349312
[ 1, 2, 14, 158, 2106, 30762, 476406, 7683926, 127692530, 2171184146, 37592376734, 660522703886, 11747865153962, 211093333172282, 3826315983647366, 69880933123237960, 1284661783610775000, 23753502514840945000, 441458929706855200000, 8.242097867816772e+21 ]
[ "nonn" ]
A137240
[ 5, 4, 4, 3, 4, 3, 3, 4, 3, 4, 3, 3, 4, 3, 4, 3, 3, 4, 3, 3, 4, 3, 3, 4, 3, 3, 4, 3, 3, 4, 3, 4, 3, 3, 4, 3, 3, 4, 3, 3, 4, 3, 3, 4, 3, 3, 4, 3, 3, 4, 3, 3, 4, 3, 3, 4, 3, 3, 4, 3, 3, 4, 3, 3, 4, 3, 3, 4, 3, 3, 4, 3, 3, 4, 3, 3, 4, 3, 3, 4, 3, 3, 4, 3, 3, 4, 3, 3, 4, 3 ]
[ "easy", "nonn", "base" ]
A343306
[ 3, 6, 9, 11, 13, 14, 16, 17, 18, 23, 26, 29, 32, 33, 34, 36, 37, 43, 45, 46, 50, 51, 53, 56, 60, 61, 63, 65, 66, 69, 73, 74, 76, 77, 79, 81, 83, 86, 88, 90, 91, 93, 95, 96, 101, 102, 103, 106, 107, 108, 113, 116, 117, 121, 122, 123, 124, 126, 128, 130, 133, 135 ]
[ "nonn" ]
A056583
[ 1, 1, 0, 1, 12, 1, 16, 27, 20, 1, 12, 1, 28, 15, 16, 1, 18, 1, 20, 21, 44, 1, 24, 25, 52, 27, 28, 1, 30, 1, 32, 33, 68, 35, 36, 1, 76, 39, 40, 1, 42, 1, 44, 45, 92, 1, 48, 49, 50, 51, 52, 1, 54, 55, 56, 57, 116, 1, 60, 1, 124, 63, 64, 65, 66, 1, 68, 69, 70, 1, 72, 1, 148, 75, 76 ]
[ "nonn" ]
A103956
[ 1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 3, 1, 1, 2, 1, 2, 1, 2, 1, 3, 1, 1, 2, 1, 2, 1, 2, 1, 3, 1, 2, 1, 2, 1, 3, 1, 2, 1, 3, 1, 2, 1, 3, 1, 2, 1, 1, 1, 2, 1, 2, 1, 2, 1, 3, 1, 2, 1, 2, 1, 3, 1, 2, 1, 3, 1, 2, 1, 3, 1, 2, 1, 1, 2, 1, 2, 1, 3, 1, 2, 1, 3, 1, 2, 1, 3, 1, 2, 1, 1, 2, 1, 3, 1, 2, 1, 3, 1, 2, 1 ]
[ "nonn", "uned", "less" ]
A039405
[ 15, 51, 105, 125, 135, 145, 150, 152, 153, 154, 156, 157, 158, 159, 165, 175, 185, 195, 215, 251, 315, 351, 415, 451, 501, 510, 512, 513, 514, 516, 517, 518, 519, 521, 531, 541, 561, 571, 581, 591, 615, 651, 715, 751, 815, 851, 915, 951, 1005, 1025 ]
[ "nonn", "base", "easy" ]
A112335
[ 1, -1, -4, -7, -10, -13, -16, -19, -22, -25, -28, -31, -34, -37, -40, -43, -46, -49, -52, -55, -58, -61, -64, -67, -70, -73, -76, -79, -82, -85, -88, -91, -94, -97, -100, -103, -106, -109, -112, -115, -118, -121, -124, -127, -130, -133, -136, -139, -142, -145, -148, -151, -154, -157, -160, -163, -166, -169 ]
[ "easy", "sign" ]
A118956
[ 1, 2, 3, 4, 5, 8, 9, 12, 14, 16, 17, 20, 22, 24, 25, 26, 28, 30, 31, 32, 33, 36, 38, 40, 41, 42, 44, 46, 47, 48, 50, 52, 53, 54, 56, 57, 58, 59, 60, 62, 64, 65, 68, 70, 72, 73, 74, 76, 78, 79, 80, 82, 84, 85, 86, 88, 89, 90, 91, 92, 94, 96, 97, 98, 99, 100, 102, 103, 104, 106 ]
[ "nonn" ]
A225207
[ 4, 347, 34163, 3412143, 341175325, 34117055318, 3411700692939, 341170025540426, 34117002022924250 ]
[ "more", "nonn" ]
A123378
[ 0, 60, 82308, 118528020, 170911244616, 246453665407500, 355386005842019700, 512466373637712500000, 7.389761553869375e+23, 1.0656031036011102e+27, 1.5365989364166273e+30, 2.2157746007096723e+33, 3.195145437624411e+36 ]
[ "nonn", "easy" ]
A013029
[ 2, -16, 770, -92496, 20740610, -7474383376, 3950577954050, -2879011223666256, 2766724614020441000, -3.3899921644312545e+21, 5.158145935254383e+24, -9.542165281823577e+27 ]
[ "sign" ]
A066022
[ 1, 1, 2, 3, 4, 5, 6, 8, 9, 11, 12, 13, 15, 17, 18, 20, 21, 23, 25, 27, 28, 30, 32, 34, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 88, 90, 92, 94, 96, 98, 101, 103, 105, 107, 109, 112, 114, 116, 118, 121, 123, 125 ]
[ "base", "easy", "nonn" ]
A033476
[ 4, 6, 9, 15, 25, 35, 49, 77, 121, 143, 169, 221, 289, 323, 361, 437, 529, 667, 841, 899, 961, 1147, 1369, 1517, 1681, 1763, 1849, 2021, 2209, 2491, 2809, 3127, 3481, 3599, 3721, 4087, 4489, 4757, 5041, 5183, 5329, 5767, 6241, 6557, 6889, 7387, 7921, 8633 ]
[ "nonn" ]
A041753
[ 1, 1, 9, 10, 389, 399, 3581, 3980, 154821, 158801, 1425229, 1584030, 61618369, 63202399, 567237561, 630439960, 24523956041, 25154396001, 225759124049, 250913520050, 9760472885949, 10011386405999, 89851564133941, 99862950539940, 3884643684651661 ]
[ "nonn", "frac", "easy" ]
A339541
[ 2, 3, 4, 5, 6, 7, 8, 9, 10, 20, 14, 14, 17, 20, 20, 20, 20, 20, 29, 22, 24, 26, 30, 28, 32, 31, 30, 38, 38, 32, 38, 36, 41, 44, 42, 40, 47, 46, 45, 44, 46, 44, 50, 53, 50, 56, 54, 52, 62, 52, 57, 56, 64, 60, 65, 62, 70, 68, 66, 65, 68, 75, 70, 74, 80, 77, 74, 84, 82, 74, 79, 80, 83, 88, 84, 92 ]
[ "nonn", "base" ]
A158637
[ 24, 600, 2328, 5208, 9240, 14424, 20760, 28248, 36888, 46680, 57624, 69720, 82968, 97368, 112920, 129624, 147480, 166488, 186648, 207960, 230424, 254040, 278808, 304728, 331800, 360024, 389400, 419928, 451608, 484440, 518424, 553560, 589848, 627288, 665880, 705624 ]
[ "nonn", "easy" ]
A257616
[ 1, 2, 2, 4, 32, 4, 8, 312, 312, 8, 16, 2656, 8736, 2656, 16, 32, 21664, 175424, 175424, 21664, 32, 64, 174336, 3019200, 7016960, 3019200, 174336, 64, 128, 1397120, 47847552, 218838400, 218838400, 47847552, 1397120, 128, 256, 11182592, 722956288, 5907889664, 11379596800, 5907889664, 722956288, 11182592, 256 ]
[ "nonn", "tabl" ]
A008836
[ 1, -1, -1, 1, -1, 1, -1, -1, 1, 1, -1, -1, -1, 1, 1, 1, -1, -1, -1, -1, 1, 1, -1, 1, 1, 1, -1, -1, -1, -1, -1, -1, 1, 1, 1, 1, -1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 1, -1, -1, 1, 1, 1, 1, 1, -1, 1, -1, 1, -1, 1, 1, -1, -1, -1, 1, -1, -1, -1, -1, 1, -1, -1, 1, -1, -1, -1, 1, 1, -1, 1, 1, 1, 1, 1, -1, 1, 1, -1, 1, 1, 1, 1, -1, -1, -1, 1, -1 ]
[ "sign", "easy", "nice", "mult" ]
A308738
[ 100, 161, 198, 217, 224, 225, 252, 289, 308, 315, 316, 350, 369, 376, 377, 379, 406, 413, 414, 416, 432, 433, 435, 440, 442, 443, 477, 496, 503, 504, 533, 540, 541, 548, 559, 560, 567, 568, 585, 587, 594, 595, 604, 611, 612, 624, 631, 632, 646, 650, 651, 658, 665, 672, 673, 685, 692, 693, 702 ]
[ "nonn" ]
A168335
[ 6, 8, 10, 12, 20, 24, 34, 36, 48, 130, 132, 144, 260, 264, 288, 384, 8194, 8196, 8208, 8448, 65540, 65544, 65568, 65664, 73728, 131074, 131076, 131088, 131328, 196608, 524290, 524292, 524304, 524544, 589824, 2147483650, 2147483652, 2147483664, 2147483904 ]
[ "nonn" ]
A244521
[ 1, 2, 3, 6, 11, 22, 45, 90, 184, 370, 751, 1516, 3053, 6172, 12405, 25042, 50323, 101424, 203880, 410296, 824871, 1658338, 3333405, 6696814, 13457112, 27021758, 54278993, 108952646, 218765704, 439001338, 881134467 ]
[ "nonn", "more" ]
A100074
[ 0, 4, 0, 9, 4, 8, 2, 2, 2, 4, 2, 3, 4, 0, 0, 5, 6, 3, 5, 2, 1, 9, 4, 1, 8, 0, 4, 6, 3, 3, 8, 0, 7, 2, 4, 2, 0, 9, 3, 7, 2, 7, 2, 9, 9, 7, 4, 5, 6, 8, 9, 6, 1, 8, 4, 7, 7, 7, 8, 1, 7, 0, 0, 3, 0, 2, 3, 0, 9, 3, 4, 7, 4, 9, 3, 8, 1, 0, 9, 7, 9, 2, 5, 8, 5, 4, 7, 4, 0, 1, 3, 4, 3, 4, 3, 2, 8, 0, 3, 5, 9, 2, 5 ]
[ "nonn", "cons" ]
A312443
[ 1, 4, 8, 14, 18, 22, 25, 30, 34, 40, 45, 48, 54, 52, 60, 66, 70, 78, 76, 84, 85, 92, 98, 98, 109, 104, 114, 118, 120, 130, 126, 140, 138, 146, 151, 146, 162, 154, 169, 174, 172, 182, 174, 192, 190, 202, 206, 196, 215, 202 ]
[ "nonn" ]
A247493
[ 0, 0, 0, 0, 1, 1, 0, 2, 6, 4, 0, 3, 11, 22, 13, 0, 4, 20, 45, 75, 41, 0, 5, 29, 110, 190, 261, 131, 0, 6, 42, 154, 560, 826, 938, 428, 0, 7, 55, 322, 749, 2646, 3570, 3452, 1429, 0, 8, 72, 335, 2499, 3885, 12012, 15198, 12897, 4861, 0, 9, 89, 770, 650, 16947, 21693, 53880, 63915, 48655, 16795, 0, 10, 110, 484, 11660, -8338, 97482 ]
[ "sign", "tabl" ]
A141754
[ 1, 2, 5, 16, 54, 190, 684, 2505, 9291, 34793, 131277, 498312, 1900862, 7280732, 27983141, 107868939, 416869874, 1614609446, 6265869591, 24358231651, 94837442844, 369755864507, 1443420649734, 5641088964709, 22068939198169 ]
[ "nonn" ]
A131544
[ 2, 34, 35, 276, 1520, 2342, 8882, 32313, 164065, 265693, 1123487, 2421341, 6250773, 9995032, 68353789, 78927182 ]
[ "more", "nonn", "base" ]
A252506
[ 1262, 1644, 11476, 68163, 505129, 5381168, 59046724, 864964151, 15499377193, 419125606602, 36655528860363, 2033535839480653, 152297210256507360, 47940020237135090000, 5.579424296594968e+21 ]
[ "nonn" ]
A356669
[ 1, 0, 0, 0, 0, 8, 92, 2332, 85036, 5578994 ]
[ "nonn", "hard", "more" ]
A187135
[ 3249, 182214, 5755698, 201302208, 7020258336, 245891941002, 8616423081600, 301728175130790, 10570455159698376, 370183320491626500, 12967430068901757000, 454182945213312600000, 1.5908967753084163e+22 ]
[ "nonn" ]
A279433
[ 0, 0, 4, 0, 6, 4, 0, 4, 12, 4, 0, 4, 6, 12, 12, 0, 4, 8, 12, 12, 4, 0, 4, 4, 6, 12, 20, 4, 0, 4, 4, 12, 12, 12, 20, 4, 0, 4, 4, 4, 14, 12, 20, 12, 12, 0, 4, 4, 4, 12, 12, 16, 12, 12, 20, 0, 4, 4, 8, 8, 6, 12, 20, 20, 20, 4, 0, 4, 4, 4, 4, 12, 28, 12, 12, 12 ]
[ "nonn", "tabl" ]
A363085
[ 1, 3, 1, 1, 1, 3, 1, 9, 10, 3, 1, 13, 1, 3, 1, 1, 1, 30, 1, 1, 1, 3, 1, 33, 1, 3, 1, 1, 1, 3, 1, 1, 1, 3, 1, 46, 1, 3, 1, 49, 1, 3, 1, 1, 10, 3, 1, 1, 1, 3, 1, 1, 1, 3, 1, 65, 1, 3, 1, 73, 1, 3, 10, 1, 1, 3, 1, 1, 1, 3, 1, 90, 1, 3, 1, 1, 1, 3, 1, 81, 1, 3, 1, 97, 1, 3, 1, 97 ]
[ "nonn", "easy" ]
A366179
[ 1, 3, 13, 80, 582, 4627, 38906, 340138, 3060404, 28151835, 263546436, 2502686416, 24048985907, 233410500126, 2284790496700, 22530585455108, 223610524426654, 2231886642819974, 22389017726854324, 225604735477075260, 2282518274913713200 ]
[ "nonn" ]
A066936
[ 1, 2, 3, 4, 6, 10, 11, 12, 14, 18, 21, 24, 30, 38, 42, 46, 67, 84, 87, 110, 121, 136, 159, 279, 306, 378, 428, 439, 516, 662, 682, 726, 1046, 1110, 1199, 1410, 1687, 2160, 2244, 2438, 2450, 2612, 2614, 2654, 3270, 3477, 3829, 7107, 7178, 8682, 9260 ]
[ "nonn" ]
A367310
[ 0, 1, 1, 1, 1, 18, 2, 1, 37, 3, 1, 2, 20, 1, 3, 3, 1, 1, 1, 1, 2, 1, 26, 1, 1, 1, 2, 4, 3, 1, 76, 1, 3, 1, 1, 2, 1, 1, 3, 5, 3, 1, 10, 2, 5, 1, 3, 8, 1, 3, 2, 2, 5, 2, 1, 1, 1, 6, 2, 36, 5, 1, 2, 1, 1, 1, 9, 4, 3, 1, 1, 4, 1, 1, 2, 1, 1, 3, 1, 2, 1, 1, 29, 1 ]
[ "nonn", "cofr" ]
A326374
[ 1, 3, 1, 16, 1, 125, 15, 1, 1296, 1, 16807, 735, 140, 1, 262144, 1, 4782969, 76545, 1890, 1, 100000000, 112000, 1, 2357947691, 13835745, 33264, 1, 61917364224, 1, 1792160394037, 3859590735, 270670400, 35135100, 720720, 1, 56693912375296, 1, 1946195068359375 ]
[ "nonn", "look", "tabf" ]
A035471
[ 1, 8, 48, 152, 352, 680, 1168, 1848, 2752, 3912, 5360, 7128, 9248, 11752, 14672, 18040, 21888, 26248, 31152, 36632, 42720, 49448, 56848, 64952, 73792, 83400, 93808, 105048, 117152, 130152, 144080 ]
[ "nonn", "easy" ]
A030670
[ 23, 31, 53, 71, 113, 131, 173, 191, 233, 293, 311, 373, 419, 431, 479, 5323, 593, 613, 673, 719, 733, 797, 839, 8923, 971, 1013, 1031, 10711, 1091, 11311, 1277, 1319, 1373, 1399, 1493, 1511, 1571, 1637, 16729, 1733, 17911, 1811, 1913, 1931 ]
[ "nonn", "base" ]
A238859
[ 1, 1, 2, 4, 7, 14, 26, 51, 99, 195, 383, 759, 1504, 2988, 5944, 11840, 23602, 47084, 93975, 187647, 374812, 748857, 1496487, 2991017, 5978900, 11952780, 23897506, 47782081, 95543378, 191053334, 382052880, 764019152, 1527898772, 3055572646, 6110782652, 12220980359 ]
[ "nonn" ]
A368363
[ 0, 1, 2, 3, 5, 6, 8, 9, 12, 13, 15, 17, 19, 21, 24, 25, 27, 30, 32, 34, 37, 39, 41, 43, 46, 48, 52, 53, 55, 59, 61, 62, 66, 68, 72, 74, 76, 78, 82, 84, 86, 90, 92, 94, 99, 101, 103, 105, 108, 111, 115, 117, 119, 123, 126, 128, 132, 134, 136, 140, 142, 144, 150, 151, 155, 158, 160, 162, 166, 170, 172, 175, 177, 179, 185 ]
[ "nonn" ]
A074360
[ 0, 0, 0, 0, 0, 40, 232, 1072, 4400, 16864, 61728, 218496, 753792, 2547840, 8468608, 27755776, 89886976, 288101888, 915089920, 2883416064, 9021001728, 28042881024, 86672025600, 266472878080, 815347462144, 2483820617728 ]
[ "nonn" ]
A297095
[ 2, 16, 351, 26278, 6316836, 4769336288, 11598374165583, 90071290640636400, 2.2318188364732904e+21 ]
[ "nonn" ]
A244831
[ 8, 62, 482, 3792, 29588, 234128, 1843104, 14502774, 115222470, 912575878, 7225657450, 57221629692, 455860849506, 3624824433746, 28817478599294, 229114198330698, 1821915526639762, 14491296852589844, 115291956697930850 ]
[ "nonn" ]
A073755
[ 10, 2, 1, 1, 9, 1, 1, 4, 2, 2, 5, 28, 3, 8, 1, 1, 1, 17, 2, 1, 27, 1, 1, 34, 7, 2, 4, 12, 4, 3, 2, 16, 2, 2, 1, 1, 1, 1, 12, 4, 9, 1, 33, 1, 6, 12, 1, 26, 2, 16, 11, 5, 21, 4, 2, 2, 6, 8, 15, 2, 3, 6, 1, 11, 3, 27, 2, 4, 1, 15, 2, 1, 1, 3, 12, 2, 2, 1, 8, 2, 7, 3, 6, 3, 16, 11, 4, 2, 25, 8, 4, 10 ]
[ "easy", "nonn" ]
A098540
[ 1, 2, 5, 17, 81, 561, 5905, 98673, 2715025, 126550129, 10211715985, 1450856148081, 367849450783633, 168250359224212600, 140078954639877780000, 2.138860802037398e+23, 6.027825645248246e+26 ]
[ "nonn" ]
A122068
[ 1, 3, 10, 35, 126, 462, 1715, 6419, 24157, 91238, 345401, 1309574, 4970070, 18874261, 71705865, 272491891, 1035680954, 3936821259, 14965658694, 56893879910, 216295686467, 822315097387, 3126323230541, 11885921055638 ]
[ "nonn", "easy" ]
A314391
[ 1, 5, 8, 11, 16, 20, 24, 33, 34, 36, 45, 48, 51, 59, 59, 62, 72, 75, 79, 83, 84, 91, 99, 102, 105, 107, 110, 118, 126, 130, 129, 131, 138, 145, 153, 156, 153, 157, 165, 172, 181, 180, 177, 185, 192, 199, 207, 204, 203, 212 ]
[ "nonn" ]
A010201
[ 11, 1, 10, 1, 22, 1, 10, 1, 22, 1, 10, 1, 22, 1, 10, 1, 22, 1, 10, 1, 22, 1, 10, 1, 22, 1, 10, 1, 22, 1, 10, 1, 22, 1, 10, 1, 22, 1, 10, 1, 22, 1, 10, 1, 22, 1, 10, 1, 22, 1, 10, 1, 22, 1, 10, 1, 22, 1, 10, 1, 22, 1, 10, 1, 22, 1 ]
[ "nonn", "cofr", "easy", "mult" ]
A066679
[ 1, 2, 6, 10, 12, 44, 90, 184, 440, 528, 588, 672, 752, 3796, 8928, 9888, 12224, 35640, 37680, 49024, 50976, 89152, 94200, 108192, 146412, 159840, 279864, 1734720, 2554368, 2977920, 12580864, 14239872, 16544880, 28321920, 41362200, 56976480, 60610624 ]
[ "nonn" ]
A036678
[ 0, 0, 0, 0, 0, 0, 0, 0, 1, 7, 37, 154, 558, 1830, 5581, 16077, 44251, 117308, 301330, 753458, 1840568, 4405344, 10355493, 23953832, 54614151, 122903818, 273320540, 601273377, 1309641376, 2826528077, 6048868456, 12843409063, 27071247989 ]
[ "nonn" ]
A021945
[ 0, 0, 1, 0, 6, 2, 6, 9, 9, 2, 5, 6, 1, 1, 0, 5, 2, 0, 7, 2, 2, 6, 3, 5, 4, 9, 4, 1, 5, 5, 1, 5, 4, 0, 9, 1, 3, 9, 2, 1, 3, 6, 0, 2, 5, 5, 0, 4, 7, 8, 2, 1, 4, 6, 6, 5, 2, 4, 9, 7, 3, 4, 3, 2, 5, 1, 8, 5, 9, 7, 2, 3, 6, 9, 8, 1, 9, 3, 4, 1, 1, 2, 6, 4, 6, 1, 2, 1, 1, 4, 7, 7, 1, 5, 1, 9, 6, 5, 9 ]
[ "nonn", "cons", "easy" ]
A310555
[ 1, 4, 10, 18, 22, 30, 26, 38, 42, 54, 54, 66, 54, 70, 74, 86, 90, 98, 86, 102, 106, 118, 122, 134, 114, 138, 138, 150, 154, 166, 146, 170, 174, 182, 186, 198, 174, 206, 206, 218, 218, 230, 202, 238, 242, 250, 254, 262, 230, 270 ]
[ "nonn" ]
A347022
[ 1, 1, 5, 50, 720, 13650, 320370, 8967720, 291538080, 10795026840, 448484788680, 20658543923280, 1044915105622800, 57572197848878400, 3432143603792520000, 220109018869587400000, 1.51101842241652e+22, 1.1055454741914808e+24, 8.588153401493066e+25 ]
[ "nonn" ]
A141435
[ 1, 2, 3, 6, 11, 20, 38, 71, 132, 247, 461, 861, 1609, 3005, 5613, 10485, 19584, 36581, 68330, 127632, 238404, 445314, 831798, 1553712, 2902170, 5420945, 10125754, 18913838, 35329048, 65990929, 123264078, 230244265, 430071949, 803328933 ]
[ "easy", "nonn" ]
A331438
[ 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 1, 0, 0, 0, 0, 5, 0, 0, 20, 15, 10, 1, 0, 0, 0, 0, 0, 96, 120, 180, 420, 700, 837, 765, 395, 105, 15, 1, 0, 0, 0, 0, 0, 0, 427, 1260, 3780, 10850, 24045, 44814, 68040, 80955, 70500, 43232, 18774, 5880, 1330, 210, 21, 1, 0, 0, 0, 0, 0, 0, 0, 6448, 23520, 79800, 269360, 782880, 1956136, 4203360, 7610340, 11365676 ]
[ "nonn", "tabf" ]
A344507
[ 1, -1, 2, -2, 5, -3, 15, 3, 59, 73, 308, 632, 1951, 4829, 13674, 36306, 100827, 275493, 765150, 2120466, 5918943, 16547595, 46452387, 130703031, 368825661, 1043125407, 2957013140, 8399389528, 23904802109, 68154435941, 194639738503, 556733127851, 1594781146419 ]
[ "sign" ]
A315808
[ 1, 6, 6, 14, 16, 22, 26, 26, 36, 38, 42, 46, 48, 58, 58, 62, 68, 70, 78, 78, 84, 90, 90, 98, 100, 106, 110, 110, 120, 122, 126, 130, 132, 142, 142, 146, 152, 154, 162, 162, 168, 174, 174, 182, 184, 190, 194, 194, 204, 206 ]
[ "nonn" ]
A259170
[ 9, 23, 83, 431, 3001, 27457, 10626, 112087, 87306, 172810, 280217, 390133, 353555, 750243, 1318106, 937023, 367542, 2615090, 3434663, 3281065, 3270774, 4979697, 8021665, 4627825, 5618666, 11169397 ]
[ "nonn" ]
A335002
[ 1, 3, 4, 5, 7, 9, 10, 11, 13, 14, 15, 17, 18, 21, 26, 33, 42, 46, 47, 55, 58, 66, 69, 73, 77, 85, 89, 93, 102, 103, 107, 111, 117, 121, 123, 132, 139, 167, 171, 177, 179, 181, 187, 201, 205, 207, 213, 219, 221, 233, 241, 246, 247, 253, 257, 262, 267, 269, 273, 279, 281, 282, 293, 295 ]
[ "nonn" ]
A380807
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 22, 23, 24, 26, 28, 30, 31, 34, 36, 38, 40, 43, 44, 46, 48, 50, 54, 55, 58, 64, 66, 68, 76, 78, 79, 80, 90, 94, 100, 106, 108, 118, 120, 124, 134, 138, 148, 156, 160, 170, 178, 198, 220, 271, 274, 288, 358, 376, 498, 750, 828 ]
[ "nonn" ]
A260643
[ 1, 2, 3, 4, 2, 5, 3, 6, 7, 1, 8, 7, 4, 8, 5, 6, 4, 9, 7, 10, 1, 9, 8, 11, 3, 12, 11, 10, 12, 13, 1, 12, 14, 9, 10, 14, 1, 15, 6, 13, 2, 16, 3, 17, 11, 13, 5, 14, 2, 11, 6, 14, 13, 9, 15, 18, 2, 19, 5, 15, 16, 4, 17, 20, 2, 21, 3, 18, 16, 17, 5, 20, 4, 19, 6 ]
[ "nonn", "look", "hear" ]
A360094
[ 1, 0, 7, 3, 5, 9, 5, 4, 5, 2, 9, 7, 1, 1, 3, 0, 7, 7, 1, 3, 8, 4, 5, 0, 3, 8, 2, 0, 0, 9, 1, 2, 1, 9, 0, 1, 1, 6, 6, 3, 3, 9, 3, 9, 6, 9, 1, 2, 6, 3, 7, 7, 7, 9, 3, 7, 2, 6, 5, 9, 5, 8, 0, 7, 8, 0, 2, 7, 8, 7, 7, 0, 5, 8, 5, 0, 7, 3, 6, 8, 7, 8, 6, 3, 9, 9, 6, 4, 6, 6, 5, 0, 7, 6, 5, 7, 2, 0, 1, 0, 1, 9, 5, 1, 4, 1 ]
[ "nonn", "cons" ]
A144039
[ 0, 1, 1, 8, 43, 295, 1982, 14379, 106464, 811769, 6304231, 49770106, 398042059, 3218655532, 26269422252, 216121646661, 1790428656802, 14922986525284, 125050910828179, 1052916751167676, 8903502888220215, 75579379572985970, 643818145873489900 ]
[ "eigen", "nonn" ]
A273157
[ 6, 10, 12, 14, 15, 18, 20, 22, 24, 26, 28, 30, 34, 35, 36, 38, 40, 42, 44, 45, 46, 48, 50, 52, 54, 56, 58, 60, 62, 63, 66, 68, 70, 72, 74, 75, 76, 77, 78, 80, 82, 84, 86, 88, 90, 91, 92, 94, 96, 98, 99, 100, 102, 104, 105, 106, 108, 110, 112, 114, 116, 117 ]
[ "nonn" ]
A321355
[ 1, 4, 6, 4, 17, 64, 96, 64, 136, 480, 720, 480, 680, 2240, 3360, 2240, 2444, 7536, 11304, 7536, 7276, 21568, 32352, 21568, 21080, 62752, 94128, 62752, 62968, 189120, 283680, 189120, 178646, 525464, 788196, 525464, 454614, 1292992, 1939488, 1292992, 1085688, 3049760 ]
[ "nonn" ]
A316725
[ 0, 1, 24, 27, 73, 78, 147, 154, 246, 255, 370, 381, 519, 532, 693, 708, 892, 909, 1116, 1135, 1365, 1386, 1639, 1662, 1938, 1963, 2262, 2289, 2611, 2640, 2985, 3016, 3384, 3417, 3808, 3843, 4257, 4294, 4731, 4770, 5230, 5271, 5754, 5797, 6303, 6348, 6877, 6924, 7476, 7525, 8100, 8151, 8749, 8802 ]
[ "nonn", "easy" ]
A339450
[ 0, 4, 87640, 206648324, 206657530, 206657532, 206657560, 206657576 ]
[ "nonn", "base", "more" ]
A066878
[ 6857, 29789, 50651, 300761, 1295027, 3442949, 9393929, 13997519, 21253931, 49430861, 84604517, 95443991, 237176657, 329939369, 384240581, 487443401, 633839777, 904231061, 1284365501, 1605723209, 3183010109, 3301293167 ]
[ "easy", "nonn" ]
A284050
[ 2, 3, 1, 1, 2, 2, 1, 1, 2, 1, 1, 4, 2, 2, 1, 1, 2, 1, 1, 4, 2, 1, 1, 4, 1, 1, 2, 2, 6, 2, 1, 1, 4, 1, 1, 2, 4, 1, 1, 2, 1, 1, 4, 2, 2, 1, 1, 2, 1, 1, 4, 4, 1, 1, 2, 1, 1, 2, 2, 6, 2, 2, 1, 1, 4, 1, 1, 2, 4, 1, 1, 2, 1, 1, 2, 2, 4, 1, 1, 2, 1, 1, 4, 2, 1, 1, 4 ]
[ "nonn", "easy" ]
A227275
[ 1, 125619265, 15780199864759488, 1.982297124344386e+24, 2.490147097540525e+32, 3.1281045062507113e+40, 3.9295019204650674e+48, 4.9362114699441215e+56 ]
[ "nonn", "easy" ]
A119261
[ 0, 2, 4, 6, 8, 20, 40, 42, 60, 62, 64, 80, 82, 84, 86, 420, 620, 640, 642, 820, 840, 842, 860, 862, 864, 6420, 8420, 8620, 8640, 8642, 86420 ]
[ "base", "fini", "full", "nonn" ]
A269027
[ 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1 ]
[ "nonn", "base" ]
A200280
[ 1, 0, 9, 6, 4, 0, 6, 9, 9, 2, 4, 2, 1, 2, 6, 7, 9, 4, 7, 2, 2, 1, 9, 8, 7, 6, 8, 1, 3, 1, 4, 0, 2, 0, 2, 2, 9, 8, 2, 3, 2, 2, 7, 4, 2, 6, 9, 9, 9, 1, 0, 5, 7, 2, 0, 4, 6, 6, 1, 8, 9, 3, 1, 7, 4, 9, 4, 3, 5, 6, 1, 2, 7, 3, 8, 5, 4, 7, 7, 3, 2, 9, 1, 5, 8, 4, 9, 3, 8, 2, 9, 1, 5, 0, 3, 7, 5, 9, 3 ]
[ "nonn", "cons" ]
A133605
[ 3, 5, 8, 13, 21, 74, 95, 182, 212, 413, 862, 1060, 1435, 1934, 4447, 5323, 7588, 19934, 23725, 24970, 29558, 43344, 45425, 48622, 55240, 63835, 91336, 98178, 177387, 180356, 206088, 333837, 400924, 418503, 429115, 598604, 776150, 990510, 993089 ]
[ "nonn" ]
A061649
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 5, 1, 6, 3, 3, 9, 4, 0, 3, 0, 9, 6, 2, 10, 9, 2, 5, 0, 5, 9, 0, 9, 17, 9, 1, 7, 15, 0, 1, 6, 9, 0, 9, 18, 20, 12, 4, 0, 6, 2, 17, 9, 0, 9, 18, 27, 23, 0, 3, 10, 9, 18, 9, 0, 9, 18, 27, 0, 3, 9, 1, 20, 18, 9, 0, 9, 18, 0, 9, 2, 7, 12, 27, 18, 9, 0, 9, 0, 4, 5, 15 ]
[ "base", "easy", "nice", "nonn" ]
A023456
[ -14, -13, -12, -11, -10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46 ]
[ "sign", "easy" ]
A286172
[ 1, 1, 110, 11, 11100, 10111, 1011000, 1001111, 101110000, 111011111, 10001100000, 11100111111, 1101111000000, 101101111111, 110100110000000, 110110011111111, 10011111100000000, 11000110111111112, 1111110011000000000, 10111001111111112, 111010111110000000000 ]
[ "nonn", "easy" ]
A230943
[ 16, 34, 724, 1994, 28128, 76682, 1144652, 3107746, 46058744, 125263570, 1857863476, 5050618938, 74908095984, 203655079130, 3020446141788, 8211674722322, 121789649054696, 331109620080930, 4910772371719684 ]
[ "nonn" ]
A031397
[ 50, 125, 250, 325, 338, 425, 845, 925, 1025, 1250, 1325, 1445, 1450, 1525, 1625, 1682, 1825, 1850, 2050, 2125, 2197, 2425, 2725, 2738, 2825, 2873, 2890, 3050, 3125, 3250, 3425, 3625, 3725, 3925, 4250, 4325, 4394, 4625, 4825, 4901, 4913 ]
[ "nonn" ]
A055501
[ 1, 2, 2, 3, 3, 5, 7, 11, 17, 23, 37, 59, 89, 139, 227, 359, 577, 929, 1499, 2423, 3919, 6337, 10253, 16573, 26821, 43391, 70207, 113591, 183797, 297377, 481171, 778541, 1259701, 2038217, 3297913, 5336129, 8633983, 13970093, 22604069, 36574151, 59178199, 95752333 ]
[ "nonn" ]
A326218
[ 1, 0, 3, 49, 2902 ]
[ "nonn", "more" ]
A212440
[ 3, 4, 10, 11, 12, 15, 16, 19, 20, 21, 26, 27, 28, 35, 36, 37, 43, 44, 45, 47, 48, 51, 52, 53, 54, 58, 59, 60, 63, 64, 67, 68, 69, 73, 74, 75, 76, 79, 80, 82, 83, 84, 90, 91, 92, 99, 100, 101, 107, 108, 109, 111, 112, 115, 116, 117, 118, 122, 123, 124, 131 ]
[ "nonn", "base" ]
A281501
[ 1, 1, 6, 192, 16444, 3207086, 1258238720, 916112394270, 1168225267521350, 2496696209705056000, 8.635565795744155e+21, 4.69770524910463e+25, 3.9241612224795315e+29, 4.931628582570689e+33, 9.160386592457099e+37 ]
[ "nonn" ]
A320124
[ 1, 4, 6, 10, 20, 20, 24, 40, 22, 28, 56, 20, 50, 80, 28, 80, 84, 32, 78, 80, 68, 100, 120, 80, 88, 124, 56, 82, 136, 100, 140, 200, 86, 80, 192, 72, 140, 240, 120, 200, 248, 80, 112, 176, 100, 260, 224, 160, 210, 172, 186, 128, 272, 180, 240, 400, 124, 200, 280, 116 ]
[ "nonn" ]
A379571
[ 1, 2, 30, 18128, 36204540666 ]
[ "nonn", "more" ]
A299544
[ 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 16, 18, 20, 22, 24, 26, 27, 28, 30, 31, 32, 33, 35, 36, 37, 39, 40, 41, 43, 44, 45, 47, 48, 49, 51, 52, 53, 55, 58, 59, 60, 62, 63, 66, 68, 69, 70, 72, 73, 76, 77, 78, 80, 81, 84, 85, 86, 88, 89, 92, 93, 94, 96, 97, 100, 101 ]
[ "nonn", "easy" ]
A159475
[ 1, 4, 6, 6, 10, 8, 14, 10, 12, 12, 22, 14, 26, 16, 18, 18, 34, 20, 38, 22, 24, 24, 46, 26, 30, 28, 30, 30, 58, 32, 62, 34, 36, 36, 40, 38, 74, 40, 42, 42, 82, 44, 86, 46, 48, 48, 94, 50, 56, 52, 54, 54, 106, 56, 60, 58, 60, 60, 118, 62, 122, 64, 66, 66, 70, 68, 134, 70, 72, 72 ]
[ "nonn" ]
A155961
[ 3343221000, 26745768000, 90266967000 ]
[ "nonn", "hard", "more", "bref" ]
A174311
[ 0, 2, 7, 17, 246109501, 13, 2.253799930186011e+25, 4294967297, 5.814973700303244e+25, 242203001, 5.313022609595034e+93 ]
[ "nonn" ]