id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A102035
[ 1, 1, 1, 1, 3, 1, 2, 6, 5, 1, 3, 11, 15, 7, 1, 4, 20, 36, 28, 9, 1, 6, 35, 78, 85, 45, 11, 1, 9, 59, 159, 221, 166, 66, 13, 1, 13, 98, 309, 522, 509, 287, 91, 15, 1, 19, 161, 579, 1153, 1382, 1018, 456, 120, 17...
[ "nonn", "tabl" ]
A337790
[ 3, 57, 306, 837, 1335, 2073, 3033, 4395, 6147, 8469, 11253, 14907, 19263, 24819, 31197, 38823, 47619 ]
[ "nonn", "more" ]
A257834
[ 0, 0, -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" ]
A136945
[ 0, 3, 6, 30, 60, 63, 83, 300, 306, 600, 603, 630, 830, 833, 836, 3000, 3006, 3060, 6000, 6003, 6030, 6300, 8300, 8303, 8306, 8330, 8360, 9386, 9803, 30000, 30006, 30060, 30600, 30633, 60000, 60003, 60030, 60083, 60300, 63000, 83000, 8...
[ "base", "nonn" ]
A211201
[ 0, 1, 2, 6, 5, 10, 19, 22, 37, 77, 108, 165, 90, 313, 461, 620, 1252, 1957, 2610, 3237, 5654, 7797, 9818, 15797, 22245, 34725, 56723, 92634, 122330, 178540, 226838, 507571, 454045, 490426, 1480005, 2284378, 1482842, 2965594, 5931098, 1021...
[ "nonn", "base" ]
A015420
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0...
[ "sign" ]
A083927
[ 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0...
[ "nonn" ]
A000563
[ 13, 192, 1085, 3880, 10656, 24626, 50380, 94128, 163943, 270004, 424839, 643568, 944146, 1347606, 1878302, 2564152, 3436881, 4532264, 5890369, 7555800, 9577940, 12011194, 14915232, 18355232, 22402123, 27132828, 32630507, 38984800, 46292070 ]
[ "nonn", "easy" ]
A168070
[ 0, 1, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 71624305, 100000000, 103849576, 105823694, 106597243, 108326947, 120463578, 124093657, 126509743, 129306745, 129738560, 139784256, 140786329, 147863502, 148936025, 150973624 ]
[ "base", "nonn" ]
A199536
[ 1, 4, 6, 10, 12, 14, 16, 20, 22, 26, 28, 30, 32, 36, 38, 40, 42, 46, 48, 52, 54, 56, 58, 62, 64, 68, 70, 72, 74, 78, 80, 82, 84, 88, 90, 94, 96, 98, 100, 104, 106, 108, 110, 114, 116, 120, 122, 124, 126, 130, 132, ...
[ "nonn" ]
A017003
[ 1, 8589934592, 8649755859375, 584318301411328, 12200509765705828, 131621703842267140, 929293739471222700, 4882812500000000000, 20635899893042803000, 73786976294838210000, 231122292121701580000 ]
[ "nonn", "easy" ]
A297904
[ 8, 34, 5, 54, 281, 395, 2353, 12834, 42557, 215887, 1120924, 4589745, 22352495, 111073035, 490364549, 2351391843, 11385093039, 51998798385, 247440381699, 1182146119648, 5488163169647, 26009798244315, 123445402646761 ]
[ "nonn" ]
A058770
[ 1, 2, 3, 5, 9, 19, 20, 29, 30, 68, 142, 143, 150, 159, 198, 468, 782, 858, 1100, 1137, 3337, 3638, 3909, 4845, 16895, 30349, 42692, 48470 ]
[ "nonn", "hard", "more" ]
A274370
[ 0, 1, 1, 0, 0, -1, -1, 0, 0, -1, -1, -2, -2, -1, -1, 0, 0, -1, -1, -2, -2, -3, -3, -2, -2, -1, -1, -2, -2, -1, -1, -2, -2, -1, -1, 0, 0, -1, -1, 0, 0, 1, 1, 0, 0, -1, -1, 0, 0, 1, 1, 0, 0, 1, 1, 2, 2, 1...
[ "sign", "look" ]
A118810
[ 1, 2, 3, 7, 4, 5, 19, 11, 6, 8, 9, 13, 10, 14, 17, 12, 15, 23, 29, 16, 21, 18, 41, 22, 20, 25, 27, 26, 31, 37, 24, 43, 28, 33, 32, 30, 34, 35, 39, 38, 53, 47, 71, 36, 46, 45, 40, 42, 44, 49, 51, 59, 61, 50, 5...
[ "nonn" ]
A115813
[ 0, 1, 2, 4, 8, 9, 13, 16, 17, 18, 26, 32, 33, 34, 36, 52, 64, 65, 66, 68, 72, 73, 104, 105, 109, 128, 129, 130, 132, 136, 137, 141, 144, 145, 146, 205, 208, 209, 210, 218, 256, 257, 258, 260, 264, 265, 269, 272, 273, 2...
[ "nonn" ]
A356002
[ 1, 1, 1, 1, 3, 3, 3, 3, 3, 1, 3, 3, 1, 1, 5, 5, 7, 7, 7, 3, 9, 9, 3, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 9, 9, 3, 9, 9, 3, 7, 9, 9, 9, 9, 9, 9, 7, 5, 7, 9, 9, 9, 9, 9, 7, 5, 1, 5, 7, 3, 9, 9...
[ "nonn", "tabf" ]
A248428
[ 16, 20, 24, 28, 36, 44, 52, 68, 84, 100, 132, 164, 196, 260, 324, 388, 516, 644, 772, 1028, 1284, 1540, 2052, 2564, 3076, 4100, 5124, 6148, 8196, 10244, 12292, 16388, 20484, 24580, 32772, 40964, 49156, 65540, 81924, 98308, 131076, 163...
[ "nonn" ]
A316385
[ 1, 3, 2, 7, 4, 6, 5, 15, 8, 12, 9, 14, 10, 13, 11, 31, 16, 24, 17, 28, 18, 25, 19, 30, 20, 26, 21, 29, 22, 27, 23, 63, 32, 48, 33, 56, 34, 49, 35, 60, 36, 50, 37, 57, 38, 51, 39, 62, 40, 52, 41, 58, 42, 53, 4...
[ "nonn", "base" ]
A259586
[ 41, 67, 70, 123, 130, 205, 212, 328, 350, 403, 410, 444, 526, 548, 555, 608, 671, 700, 724, 750, 753, 806, 869, 888, 898, 951, 1026, 1033, 1067, 1086, 1096, 1149, 1224, 1231, 1265, 1291, 1294, 1347, 1376, 1429, 1489, 1504, 1545, 1...
[ "nonn", "easy" ]
A322366
[ 1, 0, 2, 2, 3, 2, 5, 2, 5, 4, 7, 2, 11, 2, 9, 8, 9, 2, 17, 2, 17, 10, 13, 2, 23, 6, 15, 10, 23, 2, 29, 2, 17, 14, 19, 12, 35, 2, 21, 16, 37, 2, 41, 2, 35, 38, 25, 2, 47, 8, 47, 20, 41, 2, 53, 16, 51, 22...
[ "nonn", "look" ]
A006778
[ 1, 3, 7, 15, 31, 59, 110, 198, 347, 592, 997, 1641, 2666, 4266, 6741, 10525, 16268, 24882, 37717, 56683, 84504, 125031, 183716, 268125, 388873, 560647, 803723, 1146013, 1625731, 2294964, 3224588, 4510552, 6282295, 8714035, 12039319, 16570278, 2...
[ "nonn" ]
A260612
[ 1, 1, 1, 1, 0, -1, 1, 2, -1, -2, 1, -4, -13, 4, 12, 1, 20, -109, -308, 108, 288, 1, -100, -2509, 12772, 37068, -12672, -34560, 1, 620, -74509, -1793708, 9232908, 26676288, -9158400, -24883200, 1, -4420, -3199309, 373731652, 9049521228, ...
[ "sign", "tabl" ]
A327885
[ 0, 0, 1, 3, 9, 35, 150, 672, 3269, 17271, 97155, 578985, 3654750, 24331320, 170074177, 1244911605, 9520843575, 75890001665, 629104453236, 5413637745144, 48277814341765, 445463898405225, 4246785220234557, 41775507558584280, 423516880995944500 ]
[ "nonn" ]
A116526
[ 0, 1, 9, 17, 81, 89, 153, 217, 729, 737, 801, 865, 1377, 1441, 1953, 2465, 6561, 6569, 6633, 6697, 7209, 7273, 7785, 8297, 12393, 12457, 12969, 13481, 17577, 18089, 22185, 26281, 59049, 59057, 59121, 59185, 59697, 59761, 60273, 60785, 6...
[ "nonn" ]
A351176
[ 5, 17, 21, 26, 65, 69, 70, 85, 89, 92, 102, 106, 116, 219, 221, 233, 239, 245, 249, 257, 261, 269, 273, 276, 284, 290, 291, 294, 301, 306, 307, 319, 323, 324, 333, 341, 344, 356, 361, 364, 369, 392, 398, 426, 434, 460, 468, ...
[ "nonn", "base" ]
A306137
[ 0, 7, 90, 4691, 601535, 173607551, 138192505287, 289978184070220, 1508303074324756200 ]
[ "nonn" ]
A214669
[ 1, -4, 36, -720, 29264, -2370368, 379341376, -119616350464, 74306729686272, -91021121260127230, 220137897341768500000, -1.0526201934106268e+24, 9.963741205378507e+27, -1.86912918064963e+32, 6.955904583765468e+36 ]
[ "sign" ]
A229712
[ 1, 4, 6, 32, 86, 544, 2194, 15872, 86642, 707584, 4887130, 44736512, 373320362, 3807514624, 37157321890 ]
[ "nonn", "more" ]
A226880
[ 1, 1, 3, 10, 47, 246, 1602, 11481, 95503, 871030, 8879558, 58412751, 473076122, 3607903547, 29782240841, 241773783075, 2137404383423, 18482746670342, 173563010955990, 1554987178737075, 15169020662626702, 126731980207937630, 1160565179374263000 ]
[ "nonn" ]
A230956
[ 57, 74, 87, 106, 111, 121, 122, 123, 129, 133, 134, 141, 142, 143, 145, 146, 155, 158, 159, 161, 166, 169, 183, 185, 194, 201, 202, 203, 205, 206, 209, 217, 221, 226, 235, 249, 253, 254, 259, 262, 265, 289, 291, 295, 298, 299,...
[ "nonn", "word", "easy" ]
A309450
[ 0, 4, 46, 95, 1124, 15530, 82758, 435705, 4553420, 27612624, 269734266, 1682110511, 9591417483, 9591417483, 9591417483, 4078929854577, 23069175894349, 122767967603152, 1053290023551980, 9195358013104224, 77588729125343090, 237173261720567070, 1354264989887135000 ]
[ "nonn" ]
A164564
[ 15, 19, 25, 27, 30, 31, 38, 39, 43, 45, 47, 50, 51, 53, 54, 55, 57, 59, 60, 61, 62, 63, 67, 71, 75, 76, 77, 78, 79, 83, 85, 86, 87, 89, 90, 91, 93, 94, 95, 97, 99, 100, 101, 102, 103, 105, 106, 107, 108, 109, 110, ...
[ "base", "nonn" ]
A371472
[ 1, 3, 8, 6, 9, 8, 10, 23, 16, 16, 16, 14, 23, 10, 9, 23, 45, 16, 27, 16, 34, 16, 33, 23, 94, 23, 105, 20, 77, 16, 54, 91, 16, 45, 19, 16, 83, 27, 23, 30, 58, 34, 114, 16, 16, 40, 133, 23, 130, 94, 45, 23, 75, 1...
[ "nonn", "easy" ]
A303220
[ 3, 7, 15, 26, 57, 128, 319, 849, 2285, 6395, 18072, 51914, 150497, 439554, 1292568, 3819778, 11341738, 33806234, 101113152, 303345648, 912494104, 2751564993, 8315282765, 25179029388, 76381806785, 232094778772, 706331084162, 2152626447195, 6569037508556 ]
[ "nonn", "base" ]
A247362
[ 0, 4, 1, 6, 2, 7, 3, 8, 5, 10, 9, 11, 12, 13, 21, 14, 22, 15, 23, 16, 25, 17, 29, 18, 31, 19, 32, 20, 33, 24, 35, 26, 39, 27, 41, 28, 42, 30, 43, 34, 45, 36, 49, 37, 51, 38, 52, 40, 53, 44, 55, 46, 59, 47, 61...
[ "nonn", "word" ]
A014728
[ 1, 1, 9, 25, 169, 441, 3025, 7921, 54289, 142129, 974169, 2550409, 17480761, 45765225, 313679521, 821223649, 5628750625, 14736260449, 101003831721, 264431464441, 1812440220361, 4745030099481, 32522920134769 ]
[ "nonn" ]
A186908
[ 59969593, 2974946682, 99241308567, 2536761070723, 52666517720011, 921058887545363, 13921822487031204, 185414592506642600, 2208956268019713300, 23828517723857363000, 235072125997423460000 ]
[ "nonn" ]
A221993
[ 2, 3, 4, 6, 10, 15, 22, 36, 56, 84, 133, 208, 318, 495, 772, 1192, 1846, 2870, 4448, 6886, 10686, 16576, 25679, 39819, 61763, 95732, 148415, 230158, 356829, 553197, 857766, 1329946, 2061917, 3196940, 4956807, 7685148, 11915388, 18474452, 28...
[ "nonn" ]
A319533
[ 9, 2, 1, 0, 0, 0, 0, 6, 3, 3, 6, 0, 6, 5, 7, 2, 9, 4, 6, 4, 1, 9, 9, 4, 0, 6, 2, 6, 2, 2, 9, 9, 3, 3, 6, 7, 2, 6, 8, 6, 8, 2, 7, 3, 5, 7, 0, 4, 8, 8, 4, 2, 7, 8, 8, 7, 3, 8, 5, 1, 7, 6, 2, 0...
[ "nonn", "base" ]
A311154
[ 1, 4, 8, 12, 16, 20, 24, 28, 34, 40, 44, 48, 52, 56, 58, 60, 64, 68, 74, 80, 86, 92, 96, 100, 102, 104, 106, 108, 114, 120, 126, 132, 138, 144, 146, 148, 150, 152, 156, 160, 166, 172, 178, 184, 188, 192, 194, 196, 200, ...
[ "nonn" ]
A206405
[ 1, 3, 20, 218, 3414, 70306, 1789850, 54071216, 1886496960, 74588759664, 3295393803888, 160898970043632, 8603780292835896, 500078481148348160, 31391957137745932000, 2.1166133995193057e+21, 1.5255838474274163e+23, 1.1705479592386153e+25 ]
[ "nonn" ]
A011584
[ 0, 1, 1, -1, 1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 0, 1, 1, -1, 1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 0, 1, 1, -1, 1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 0, 1, 1, -1, 1, -1, -1, ...
[ "sign", "mult" ]
A272844
[ 1, 9, 29, 70, 130, 227, 359, 532, 744, 1017, 1349, 1770, 2254, 2807, 3451, 4184, 4948, 5885, 6926, 8074, 9427, 10896, 12476, 14233, 16086, 18183, 20408, 22740, 25305, 28037, 30874, 33846, 36847, 40139, 43804, 47588, 51789, 56162, 60787, 6...
[ "nonn", "easy" ]
A321906
[ 1, 1, 3, 1, 3, 5, 7, 1, 3, 13, 7, 9, 11, 5, 15, 1, 19, 29, 7, 25, 27, 21, 15, 17, 3, 13, 23, 9, 11, 5, 31, 1, 19, 61, 7, 57, 27, 53, 15, 49, 35, 45, 23, 41, 43, 37, 31, 33, 51, 29, 39, 25, 59, 21, 47, 17, ...
[ "nonn", "tabf" ]
A351333
[ 1, -1, 9, -188, 7210, -442534, 39778322, -4926514200, 804271290024, -167367096770256, 43244394345493970, -13583108127289833000, 5.097183064576208e+21, -2.2522112487470505e+24, 1.1573804473027797e+27, -6.84423139836844e+29 ]
[ "sign" ]
A050408
[ 1, 10, 136, 379, 739, 1216, 1810, 2521, 3349, 4294, 5356, 6535, 7831, 9244, 10774, 12421, 14185, 16066, 18064, 20179, 22411, 24760, 27226, 29809, 32509, 35326, 38260, 41311, 44479, 47764, 51166, 54685, 58321, 62074, 65944, 69931, 74035 ]
[ "easy", "nonn" ]
A082181
[ 1, 1, 10, 109, 1270, 15562, 198100, 2596645, 34825150, 475697854, 6595646860, 92590323058, 1313427716380, 18798095833012, 271118225915560, 3936516861402901, 57494017447915150, 844109420603623000 ]
[ "nonn" ]
A238808
[ 5, 25, 118, 468, 1501, 4167, 10423, 24115, 52449, 108395, 214496, 408732, 753333, 1347741, 2347301, 3989727, 6631953, 10800653, 17260510, 27105244, 41877485, 63724811, 95600675, 141520531, 206885249, 298885895, 427006156, 603641124 ]
[ "nonn" ]
A054455
[ 1, 3, 7, 16, 34, 70, 140, 274, 527, 999, 1871, 3468, 6371, 11613, 21023, 37826, 67688, 120530, 213670, 377252, 663607, 1163361, 2033101, 3542808, 6157045, 10673703, 18460759, 31859716, 54872158, 94326622 ]
[ "easy", "nonn" ]
A239174
[ 378, 3358, 142884, 4140964, 127574544, 3901908720, 119751372066, 3664449484670, 112283408888432, 3440153090631050, 105372547404353360, 3228095751643325000, 98891535699178980000, 3.029394603374423e+21, 9.280326317790531e+22 ]
[ "nonn" ]
A120278
[ 2, 10, 38, 136, 486, 1760, 6466, 24042, 90238, 341190, 1297574, 4958114, 19019254, 73196994, 282492254, 1092867904, 4236849774, 16455966944, 64020347914, 249431257704, 973100041934, 3800867789884, 14862066265434, 58170868424084 ]
[ "nonn" ]
A235129
[ 1, 1, 3, 12, 64, 424, 3358, 30952, 325488, 3845724, 50437624, 727094704, 11427436072, 194468970904, 3562501626672, 69898886742000, 1462459974022576, 32502337621339550, 764665424888545500, 18985593544003150000, 496110180329803740000, 1.3609892277526894e+22 ]
[ "nonn" ]
A046366
[ 4, 16, 27, 308, 440, 528, 594, 5445, 5808, 6534, 8085, 9702, 11550, 13860, 14784, 16500, 16632, 18711, 19800, 21120, 22275, 23760, 25344, 26730, 28512, 32076, 37268, 53240, 63888, 94864, 135520, 152460, 162624, 181500, 182952, 193600 ]
[ "nonn", "base" ]
A102410
[ 1, 0, 0, -6, 3, 1, 0, 2400, -2024, 264, 32, 0, 2570400, 909720, -666540, 55800, 3420, 0, -19071521280, 12195884736, -762499920, -282106440, 22425480, 741384, 840, -219303218534400, -11953192930560, 27128332828800, -2808016545600, -125442525600, 14164990560...
[ "sign", "tabf", "uned" ]
A093856
[ 1, 2, 3, 10, 57, 446, 4403, 52390, 729057, 11612522, 208296339, 4154314258, 91186617337, 2184324501830, 56701250430243, 1585450687544974, 47506819375918980, 1518632769341862400, 51586007338247400000 ]
[ "easy", "nonn" ]
A357510
[ 0, 4, 108, 3144, 95000, 2935020, 92054340, 2918972560, 93330811440, 3003683380020, 97177865060540, 3157623679795992, 102973952434618820, 3368460743291372000, 110480459392323730000, 3.631941224582027e+21, 1.1963787938904198e+23, 3.9479683008206965e+24 ]
[ "nonn", "easy" ]
A134221
[ 12, 15, 28, 44, 63, 68, 101, 121, 128, 148, 168, 197, 198, 204, 208, 220, 232, 248, 269, 294, 337, 343, 346, 350, 369, 404, 409, 443, 481, 485, 492, 540, 556, 561, 575, 618, 640, 656, 659, 701, 702, 716, 740, 757, 768, 775, ...
[ "nonn" ]
A115988
[ 9, 81, 387420489, 3486784401, 7.509466514979725e+33, 1.4780882941434593e+38 ]
[ "nonn" ]
A376528
[ 1, 1, 4, 20, 141, 1045, 8172, 66681, 560173, 4815143, 42154010, 374555139, 3369272574, 30623456589, 280807674622, 2594626014807, 24133855340952, 225796163598383, 2123515433280699, 20063236095299560, 190347878004477660, 1812680623454591700, 17320874611556481000, 16602089...
[ "nonn" ]
A178764
[ 1, 1, 1, 1, 1, 4, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 7, 1, 1, 1, 1, 1, 1, 1, 1...
[ "nonn" ]
A305138
[ 1, 1, 29, 2829, 574365, 198036917, 103683001241, 76732157303677, 76332092063105090, 98308205372662510000, 1.5920238132927652e+23, 3.1669734658011135e+26, 7.592411081612244e+29, 2.1589964722691254e+33, 7.185071088438157e+36, 2.7665076438562174e+40 ]
[ "nonn" ]
A317145
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 2, 1, 2, 1, 1, 1, 5, 1, 1, 1, 2, 1, 3, 1, 4, 1, 1, 1, 7, 1, 1, 1, 5, 1, 3, 1, 2, 2, 1, 1, 15, 1, 2, 1, 2, 1, 5, 1, 5, 1, 1, 1, 11, 1, 1, 2, ...
[ "nonn" ]
A383661
[ 1, 0, 1, 30, 0, 148, 8, 78, 9309, 612, 62749, 44202, 42049, 2916485, 147192, 18284136, 13311268, 13008389, 973107552, 51147756, 6190192748, 4557702762, 4311375354, 316985255470, 16552301184, 2015267424300, 1495135512514, 1417634375316, 104324890543686, 54593...
[ "nonn" ]
A355066
[ 1, 2, 3, 5, 4, 7, 11, 13, 17, 19, 6, 23, 29, 31, 37, 41, 43, 47, 49, 53, 59, 61, 8, 9, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 77, 137, 139, 149, 151, 157, 163, 167, 10, 173, 179, 181, 191, 1...
[ "nonn" ]
A086086
[ 3, 5, 7, 17, 23, 37, 43, 47, 67, 79, 107, 113, 149, 151, 163, 211, 257, 331, 349, 409, 421, 439, 509, 521, 587, 593, 601, 617, 709, 727, 797, 839, 907, 911, 937, 941, 1051, 1063, 1163, 1187, 1319, 1327, 1447, 1471, 1489, 1607,...
[ "nonn" ]
A376780
[ 1, 2, 1, 2, 2, 2, 1, 2, 3, 2, 3, 2, 2, 1, 2, 3, 2, 3, 3, 4, 3, 3, 2, 2, 1, 2, 3, 3, 2, 4, 3, 4, 5, 5, 4, 5, 5, 4, 2, 2, 1, 2, 3, 3, 2, 4, 4, 3, 4, 5, 4, 5, 5, 7, 6, 6, 5, 5, 4, 4, 2, 2, 1, 2...
[ "nonn", "tabf" ]
A317517
[ 1, 2, 2, 4, 8, 4, 8, 32, 32, 8, 16, 128, 255, 128, 16, 32, 512, 2032, 2032, 512, 32, 64, 2048, 16193, 32256, 16193, 2048, 64, 128, 8192, 129042, 512096, 512096, 129042, 8192, 128, 256, 32768, 1028335, 8130048, 16198017, 8130048, 102...
[ "nonn", "tabl" ]
A058097
[ 1, 0, 22, 56, 177, 352, 870, 1584, 3412, 5952, 11442, 19240, 34377, 56256, 95560, 151824, 247965, 385024, 609756, 927864, 1431094, 2139680, 3228516, 4752896, 7038610, 10215552, 14885450, 21330480, 30643161, 43407680, 61571148, 86305680, 121034807, 16...
[ "nonn" ]
A180096
[ 158, 789, 790, 6797, 4367, 33761, 63478, 50806, 464347, 164981, 1763900, 459281, 707865, 1886109, 7764870, 5475907, 17050292, 20242240, 7046323, 28747545, 1463869, 27141082, 55086104, 48982574, 70173486, 18969921, 81436950, 23448515, 148589236, 233188382 ]
[ "nonn" ]
A088293
[ 11, 167, 1427, 12227, 111227, 11117213, 11111117, 1111111411, 11111111917, 111111118319, 1111111111717, 11111111132923, 111111111114823, 1111111111113823, 11111111111111924, 111111111111112320, 1111111111111116200, 11111111111111120000, 111111111111111110000 ]
[ "base", "nonn" ]
A039951
[ 2, 1093, 11, 1093, 2, 66161, 5, 3, 2, 3, 71, 2693, 2, 29, 29131, 1093, 2, 5, 3, 281, 2, 13, 13, 5, 2, 3, 11, 3, 2, 7, 7, 5, 2, 46145917691, 3, 66161, 2, 17, 8039, 11, 2, 23, 5, 3, 2, 3 ]
[ "nonn", "more", "hard" ]
A282907
[ 1, 10, 100, 1001, 10010, 100100, 1001011, 10010001, 100101000, 1001000011, 10010100011, 100100001011, 1001010000011, 10010000101011, 100101000000011, 1001000010101011, 10010100000000012, 100100001010111000, 1001010000000011000, 10010000101000110000 ]
[ "nonn", "easy" ]
A300346
[ 2, 15, 26, 58, 152, 325, 729, 1609, 3577, 7931, 17605, 39106, 86859, 192976, 428779, 952794, 2117289, 4705103, 10455942, 23235911, 51636607, 114750985, 255009010, 566702101, 1259372546, 2798682776, 6219466851, 13821419716, 30715116147 ]
[ "nonn" ]
A082733
[ 1, 2, 5, 13, 31, 89, 259, 842, 2810, 10020, 37266, 145373, 586071, 2453927, 10590180, 47159351, 215706629, 1013916313, 4882544468, 24087770591, 121481296510, 626169893024, 3293432146879, 17670096206819, 96589760733604, 537731396393480, 3045955783377644 ]
[ "nonn" ]
A096278
[ 33, 50, 72, 96, 120, 144, 172, 206, 240, 274, 308, 336, 364, 402, 444, 480, 514, 548, 578, 610, 648, 692, 742, 786, 816, 840, 864, 900, 960, 1024, 1070, 1108, 1152, 1196, 1236, 1278, 1320, 1362, 1404, 1444, 1488, 1530, 1560, 1592,...
[ "easy", "nonn" ]
A300865
[ 1, 0, 1, 0, 1, 1, 2, 2, 4, 6, 10, 16, 27, 46, 77, 131, 224, 391, 672, 1180, 2050, 3626, 6344, 11276, 19863, 35479, 62828, 112685, 200462, 360627, 644199, 1162296, 2083572, 3768866, 6777314, 12289160, 22158106, 40255496, 72765144, 13245312...
[ "nonn" ]
A333317
[ 0, 2, 4, 7, 9, 17, 19, 23, 26, 34, 36, 48, 50, 58, 66, 71, 73, 85, 87, 99, 107, 115, 117, 133, 136, 144, 148, 160, 162, 186, 188, 194, 202, 210, 218, 236, 238, 246, 254, 270, 272, 296, 298, 310, 322, 330, 332, 352, 355, ...
[ "nonn" ]
A274797
[ 1, 3, 30, 596, 22988, 1774372, 273764292, 85071335388, 53278240463204, 67444355089828630, 172664716787589940000, 8.95256317336402e+23, 9.404595196718819e+27, 2.003241354272941e+32 ]
[ "nonn" ]
A218000
[ 0, 11, 55, 595, 6e+22 ]
[ "base", "nice", "nonn" ]
A280323
[ 1, 2, 3, 8, 11, 19, 334, 1021 ]
[ "nonn", "fini", "full", "changed" ]
A368598
[ 1, 1, 2, 6, 17, 52, 173, 585, 2064, 7520, 28265, 109501, 437394, 1799843, 7629463, 33302834, 149633151, 691702799, 3287804961, 16058229900, 80533510224, 414384339438, 2185878202630, 11811050484851, 65318772618624, 369428031895444, 2135166786135671, 1260162450540...
[ "nonn" ]
A279782
[ 0, 1, 1, 1, 2, 1, 3, 1, 2, 3, 1, 4, 1, 2, 3, 5, 4, 1, 3, 5, 1, 6, 2, 5, 4, 1, 5, 3, 7, 1, 2, 7, 3, 4, 8, 1, 5, 7, 6, 5, 7, 1, 2, 3, 9, 8, 4, 7, 5, 1, 9, 6, 3, 7, 10, 5, 1, 2, 8, 4, 9, 1, 11, ...
[ "nonn", "frac" ]
A361961
[ 2, 18, 150, 1275, 11033, 96768, 857440, 7658001, 68827440, 621769016, 5640718746, 51355222113, 468976190634, 4293892636600, 39403880112240, 362321464909965, 3337465898598408, 30791007409655930, 284475382593582700, 2631594710532743000, 24372218297220903000, 22595814363796680...
[ "nonn", "easy" ]
A006813
[ 3, 9, 21, 48, 105, 219, 459, 936 ]
[ "nonn", "more" ]
A091412
[ 2, 1, 2, 3, 1, 2, 1, 2, 3, 1, 1, 2, 1, 2, 3, 1, 2, 1, 2, 3, 1, 3, 1, 3, 2, 1, 2, 1, 2, 3, 1, 2, 1, 2, 3, 1, 1, 2, 1, 2, 3, 1, 2, 1, 2, 3, 1, 3, 1, 3, 2, 3, 1, 1, 2, 1, 2, 3, 1, 2, 1, 2, 3, 1...
[ "nonn" ]
A286557
[ 1, 2, 4, 2, 4, 8, 6, 2, 4, 12, 16, 6, 6, 12, 6, 2, 4, 12, 36, 6, 12, 32, 30, 6, 6, 30, 24, 6, 8, 12, 6, 2, 4, 12, 36, 12, 30, 72, 30, 8, 6, 60, 64, 6, 6, 60, 30, 6, 6, 30, 60, 6, 6, 48, 30, 6, 6, 24, ...
[ "nonn" ]
A016502
[ 4, 3, 3, 2, 6, 3, 1, 49, 1, 1, 4, 1, 1, 7, 3, 1, 1, 20, 3, 30, 20, 1, 1, 4, 1, 1, 5, 1, 10, 1, 96, 1, 3, 2, 1, 4, 5, 1, 1, 2, 2, 1, 2, 3, 4, 1, 4, 1, 1, 7, 1, 4, 1, 4, 79, 1, 2, 4, 1, 14, 4, 4, ...
[ "nonn", "cofr" ]
A110282
[ 2, 0, -2, -5, -6, -5, -1, 3, 8, 15, 5, 1, -7, -16, -17, -20, -4, 2, 12, 22, 12, 17, 4, -6, -14, -24, -20, -16, -5, 2, 15, 25, 17, 15, 2, -7, -25, -19, -29, -21, 3, 1, 31, 21, 28, 23, -3, -8, -36, -28, -34, -18, 3...
[ "easy", "sign" ]
A268209
[ 2, 3, 5, 17, 65, 65537, 262145, 18014398509481984, 288230376151711740, 1.2676506002282294e+30, 1.329227995784916e+36 ]
[ "nonn" ]
A324827
[ 0, 0, 1, 0, 1, 2, 1, 0, 1, 1, 1, 2, 1, 2, 3, 0, 1, 3, 1, 1, 3, 1, 1, 2, 1, 1, 1, 2, 1, 4, 1, 0, 3, 1, 3, 3, 1, 2, 2, 1, 1, 6, 1, 1, 3, 1, 1, 2, 1, 2, 2, 1, 1, 4, 3, 2, 2, 2, 1, 4, 1, 1, 3, 0...
[ "nonn" ]
A041034
[ 4, 5, 14, 61, 136, 197, 1712, 1909, 5530, 24029, 53588, 77617, 674524, 752141, 2178806, 9467365, 21113536, 30580901, 265760744, 296341645, 858444034, 3730117781, 8318679596, 12048797377, 104709058612 ]
[ "nonn", "cofr", "frac", "easy" ]
A327852
[ 1, -1, -1, 1, -1, 1, 1, -3, 1, 2, 0, 2, -2, -2, -1, 3, 1, -5, 2, 0, 0, 8, -4, -7, 5, -2, 0, 1, -8, 0, 12, 2, -3, -1, -7, 9, 4, -7, -7, -6, 10, 9, 2, -6, -14, 15, 3, -15, 19, -30, 6, 37, -31, 10, 9, -23, 2...
[ "sign" ]
A183894
[ 0, 1, 1, -3, -3, 25, 25, -223, -223, 2217, 2217, -23427, -23427, 258417, 258417, -2941311, -2941311, 34289041, 34289041, -407344771, -407344771, 4913508489, 4913508489, -60018592735, -60018592735, 740910077497, 740910077497, -9228860168451, -9228860168451, 1...
[ "sign" ]
A112008
[ 1, 52, 1452, 32120, 644020, 12440064, 238904904, 4642163952, 92199790224, 1883079661824, 39689578055808, 865023253219584, 19515249341231616, 455924361142656000, 11030149104146035000, 276260563641659700000 ]
[ "nonn", "easy" ]
A074643
[ 1, 1, 2, 1, 4, 1, 6, 2, 2, 1, 10, 1, 4, 3, 2, 4, 16, 3, 18, 2, 3, 1, 22, 1, 4, 3, 6, 1, 28, 2, 30, 8, 1, 2, 12, 3, 36, 3, 3, 4, 40, 3, 14, 1, 12, 11, 46, 1, 14, 5, 4, 2, 52, 9, 20, 6, 3, 7, 58, 1, ...
[ "nonn", "frac" ]
A363056
[ 1, 3, 6, 11, 18, 25, 35 ]
[ "nonn", "more" ]
A107586
[ 1, 2, 3, 4, 5, 7, 10, 14, 19, 28, 40, 58, 83, 120, 173, 250, 360, 521, 752, 1086, 1569, 2266, 3273, 4728, 6831, 9868, 14256, 20594, 29752, 42981, 62093, 89704, 129592, 187217, 270466, 390734, 564480, 815486, 1178107, 1701973, 2458785, ...
[ "nonn" ]
A076786
[ 1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 17, 19, 21, 22, 23, 26, 29, 30, 31, 33, 34, 35, 37, 38, 39, 51, 53, 55, 57, 58, 59, 61, 62, 65, 66, 67, 69, 70, 71, 73, 74, 77, 78, 79, 101, 102, 103, 105, 106, 107, 109, 110...
[ "nonn", "base" ]
A279787
[ 1, 1, 3, 4, 10, 8, 29, 16, 64, 58, 124, 57, 469, 102, 489, 763, 1597, 298, 3858, 491, 8942, 6355, 6187, 1256, 59076, 18766, 20830, 49694, 167078, 4566, 481186, 6843, 752128, 362907, 231592, 1597802, 5951007, 21638, 790404, 2655810, 2527...
[ "nonn" ]