id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A309996
[ 1, 1, 60, 10746, 4191916, 2894100710, 3128432924009, 4887094401176148, 10429904418286375000, 2.917409616075101e+22, 1.0360294584996393e+26, 4.5547413775792785e+29, 2.4288792106337738e+33, 1.5447942216555013e+37 ]
[ "nonn" ]
A051597
[ 1, 2, 2, 3, 4, 3, 4, 7, 7, 4, 5, 11, 14, 11, 5, 6, 16, 25, 25, 16, 6, 7, 22, 41, 50, 41, 22, 7, 8, 29, 63, 91, 91, 63, 29, 8, 9, 37, 92, 154, 182, 154, 92, 37, 9, 10, 46, 129, 246, 336, 336, 246, 129, 46, 10, 11, 56, 175, 375, 582, 672, 582, 375, 175, 56, 11 ]
[ "easy", "nonn", "tabl" ]
A274537
[ 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 3, 2, 1, 0, 0, 1, 3, 7, 2, 1, 0, 0, 1, 7, 14, 13, 3, 1, 0, 0, 1, 7, 35, 26, 22, 3, 1, 0, 0, 1, 15, 70, 113, 66, 34, 4, 1, 0, 0, 1, 15, 155, 226, 311, 102, 50, 4, 1, 0, 0, 1, 31, 310, 833, 933, 719, 200, 70, 5, 1 ]
[ "nonn", "tabl" ]
A007376
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 0, 1, 1, 1, 2, 1, 3, 1, 4, 1, 5, 1, 6, 1, 7, 1, 8, 1, 9, 2, 0, 2, 1, 2, 2, 2, 3, 2, 4, 2, 5, 2, 6, 2, 7, 2, 8, 2, 9, 3, 0, 3, 1, 3, 2, 3, 3, 3, 4, 3, 5, 3, 6, 3, 7, 3, 8, 3, 9, 4, 0, 4, 1, 4, 2, 4, 3, 4, 4, 4, 5, 4, 6, 4, 7, 4, 8, 4, 9, 5, 0, 5, 1, 5, 2, 5, 3, 5, 4, 5, 5, 5, 6, 5, 7 ]
[ "base", "easy", "nice", "nonn", "tabf" ]
A079050
[ 2, 3, 4, 5, 6, 7, 8, 9, 10, 3, 3, 5, 6, 7, 8, 9, 10, 11, 12, 4, 5, 4, 7, 8, 9, 10, 11, 12, 13, 5, 6, 7, 5, 9, 10, 11, 12, 13, 14, 6, 7, 8, 9, 6, 11, 12, 13, 14, 15, 7, 8, 9, 10, 11, 7, 13, 14, 15, 16, 8, 9, 10, 11, 12, 13, 8, 15, 16, 17, 9, 10, 11, 12, 13, 14, 15, 9, 17, 18, 10, 11, 12, 13 ]
[ "base", "nonn" ]
A087252
[ 12, 28, 36, 44, 60, 76, 92, 108, 120, 124, 140, 156, 164, 172, 188, 204, 216, 220, 236, 248, 252, 268, 284, 292, 300, 316, 328, 332, 348, 364, 376, 380, 388, 396, 412, 420, 428, 432, 436, 440, 444, 460, 476, 484, 492, 496, 500, 504, 508, 516, 524, 540, 548 ]
[ "nonn" ]
A385052
[ 0, 0, 0, 6, 4, 6, 7, 5, 9, 5, 9, 7, 6, 1, 5, 4, 9, 7, 3, 7, 0, 1, 8, 3, 5, 2, 1, 7, 7, 5, 9, 9, 4, 3, 5, 4, 8, 7, 3, 8, 1, 4, 7, 3, 3, 9, 5, 3, 4, 4, 0, 6, 9, 1, 6, 6, 7, 3, 6, 2, 2, 9, 3, 5, 3, 1, 4, 7, 1, 3, 5, 5, 7, 2, 9, 2, 5, 3, 2, 8, 5, 7, 2, 4, 9, 9, 0, 8, 9, 7, 2, 7, 7, 2, 1, 9, 7, 9, 9, 0 ]
[ "nonn", "cons" ]
A354444
[ 1867, 105373, 238820129, 106695130613 ]
[ "nonn", "hard", "more" ]
A059378
[ 1, 31, 242, 992, 3124, 7502, 16806, 31744, 58806, 96844, 161050, 240064, 371292, 520986, 756008, 1015808, 1419856, 1822986, 2476098, 3099008, 4067052, 4992550, 6436342, 7682048, 9762500, 11510052, 14289858, 16671552, 20511148, 23436248, 28629150, 32505856 ]
[ "nonn", "mult", "easy" ]
A008036
[ 1, 4, 9, 19, 34, 48, 66, 96, 127, 151, 183, 232, 281, 316, 357, 427, 499, 540, 588, 684, 778, 823, 879, 1000, 1118, 1168, 1227, 1375, 1522, 1572, 1632, 1812, 1987, 2035, 2097, 2308, 2513, 2560, 2619, 2863, 3103, 3144, 3198, 3480, 3754, 3787, 3837, 4156 ]
[ "nonn" ]
A302575
[ 11, 22, 33, 44, 55, 66, 77, 88, 99, 100, 111, 122, 133, 144, 155, 166, 177, 188, 199, 200, 212, 224, 236, 248, 300, 313, 326, 339, 400, 414, 428, 500, 515, 600, 616, 700, 717, 800, 818, 900, 919, 1000, 1010, 1020, 1030, 1040, 1050, 1060, 1070, 1080, 1090, 1100 ]
[ "nonn", "base", "easy" ]
A295322
[ 3, 19, 27, 145, 166, 196, 247, 345, 370, 799, 1093, 2877, 5223, 9157, 22927, 24600, 25546, 29424, 82540, 95451, 159438 ]
[ "nonn", "more", "hard" ]
A042541
[ 1, 3, 4, 15, 844, 2547, 3391, 12720, 715711, 2159853, 2875564, 10786545, 606922084, 1831552797, 2438474881, 9146977440, 514669211521, 1553154612003, 2067823823524, 7756626082575, 436438884447724, 1317073279425747, 1753512163873471, 6577609771046160 ]
[ "nonn", "frac", "easy" ]
A384439
[ 23, 13, 59, 79, 97, 139, 163, 223, 151, 283, 251, 257, 263, 277, 227, 463, 271, 373, 587, 457, 641, 461, 499, 389, 503, 683, 761, 673, 509, 523, 709, 631, 757, 619, 571, 691, 929, 727 ]
[ "nonn", "more" ]
A107816
[ 1, 8, 20, 48, 144, 240, 720, 480, 756, 720, 864, 2304, 2880, 4080, 5040, 6240, 6048, 6720, 9984, 21600, 90720, 506880, 806400, 748800, 973440, 1153152 ]
[ "nonn", "more" ]
A328456
[ 0, 1, 2, 3, 1, 4, 5, 2, 6, 7, 3, 8, 2, 1, 9, 10, 4, 6, 11, 5, 12, 13, 2, 14, 3, 6, 15, 4, 7, 16, 17, 3, 10, 18, 8, 19, 20, 2, 12, 21, 1, 22, 6, 9, 23, 15, 10, 14, 24, 4, 25, 26, 6, 27, 28, 11, 29, 8, 5, 6, 4, 12, 2, 30, 13, 31, 21, 2, 32, 33, 14, 20, 18, 3, 34 ]
[ "nonn" ]
A071388
[ 1, 2, 8, 10, 20, 22, 28, 30, 32, 44, 46, 48, 52, 54, 56, 58, 66, 70, 72, 78, 82, 92, 96, 102, 104, 106, 110, 116, 120, 126, 130, 132, 136, 138, 140, 148, 150, 156, 164, 166, 172, 178, 190, 196, 198, 204, 210, 212, 216, 220, 222, 226, 228, 238, 240, 250, 260, 262 ]
[ "nonn" ]
A124168
[ 1, 2, 3, 4, 5, 7, 8, 13, 15, 16, 21, 24, 29, 31, 32, 34, 44, 55, 56, 61, 63, 64, 81, 89, 108, 120, 125, 127, 128, 144, 149, 208, 233, 236, 248, 253, 255, 256, 274, 377, 401, 464, 492, 504, 509, 511, 512, 610, 773, 912, 927, 976, 987, 1004, 1016, 1021, 1023, 1024 ]
[ "nonn" ]
A174507
[ 1, 5, 37, 1, 233, 1441, 1, 8885, 54757, 1, 337433, 2079361, 1, 12813605, 78960997, 1, 486579593, 2998438561, 1, 18477210965, 113861704357, 1, 701647437113, 4323746327041, 1, 26644125399365, 164188498723237, 1, 1011775117738793 ]
[ "cofr", "nonn", "easy" ]
A054316
[ 1, 3, 19, 149, 2578, 84127, 5201474, 577043450, 113371887160, 39618007594177, 24916462201698732, 28563626901315430000, 6.036673433306192e+22, 2.3740697583385753e+26, 1.75033044180592e+30 ]
[ "hard", "nice", "nonn" ]
A353221
[ 3581761, 5173169, 5968873, 23872213, 36974341, 53711113, 107023281, 427294141, 490950461, 526359289, 546649741, 550230409, 753532781, 803264281, 836683849, 1115578101, 1168492417, 1193557093, 1540454761, 1632785701, 2129304997, 2295209281, 2677147201 ]
[ "nonn" ]
A172501
[ 1, 54, 1620, 35640, 641520, 10007712, 140107968, 1801388160, 21616657920, 244988789760, 2645878929408, 27420927086592, 274209270865920, 2657720625315840, 25058508752977920, 230538280527396860, 2074844524746571800, 18307451688940340000, 158664581304149600000 ]
[ "nonn", "easy" ]
A176176
[ 1, 2, 3, 4, 5, 7, 8, 11, 13, 16, 17, 19, 23, 28, 29, 31, 32, 37, 41, 43, 47, 53, 59, 61, 64, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 112, 113, 127, 128, 131, 137, 139, 149, 151, 157, 163, 167 ]
[ "nonn" ]
A228957
[ 8, 16, 24, 27, 32, 36, 48, 54, 64, 72, 80, 81, 96, 100, 108, 112, 125, 128, 135, 144, 160, 162, 180, 189, 192, 196, 200, 216, 224, 225, 240, 243, 250, 256, 270, 288, 300, 320, 324, 336, 343, 352, 360, 375, 378, 384, 392, 400, 405, 416, 432, 441, 448, 450, 480 ]
[ "nonn" ]
A367881
[ 1, 0, 6, 9, 228, 1095, 23238, 215481, 4657992, 66216555, 1553967210, 29793656013, 777115661292, 18608934688383, 542832959656302, 15470567460571904, 503794462155308700, 16557037363336856000, 598704921471691100000, 2.220532837445514e+22 ]
[ "nonn" ]
A375398
[ 1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 17, 18, 19, 21, 22, 23, 26, 29, 30, 31, 33, 34, 35, 37, 38, 39, 41, 42, 43, 46, 47, 50, 51, 53, 55, 57, 58, 59, 61, 62, 65, 66, 67, 69, 70, 71, 73, 74, 75, 77, 78, 79, 82, 83, 85, 86, 87, 89, 90, 91, 93, 94, 95, 97, 98 ]
[ "nonn" ]
A353329
[ 0, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 2, 1, 1, 1, 1, 0, 2, 1, 2, 2, 1, 0, 3, 1, 1, 1, 2, 1, 2, 0, 2, 1, 1, 1, 3, 1, 1, 2, 2, 0, 3, 1, 2, 2, 1, 0, 3, 1, 2, 1, 2, 1, 2, 1, 3, 2, 1, 0, 4, 1, 1, 2, 2, 1, 2, 0, 2, 1, 2, 1, 4, 0, 1, 2, 2, 1, 3, 1, 3, 2, 1, 0, 4, 1, 1, 2, 2, 1, 4, 2, 2, 1, 1, 1, 4, 0, 2, 2, 3, 1, 2, 0, 3, 3 ]
[ "nonn" ]
A018073
[ 1, 2, 3, 6, 10, 18, 32, 56, 100, 178, 316, 562, 1000, 1778, 3162, 5623, 10000, 17783, 31623, 56234, 100000, 177828, 316228, 562341, 1000000, 1778279, 3162278, 5623413, 10000000, 17782794, 31622777, 56234133 ]
[ "nonn" ]
A144227
[ 1, 3, 6, 25, 8, 6, 6, 25, 512, 18, 5, 1024, 3, 36, 18, 125, 6, 1280, 6, 3645, 16, 21, 6, 200, 512, 36, 512, 4374, 5, 16, 0, 18, 14, 8, 3, 1990656, 1, 6, 36, 18, 1, 54, 5, 256, 384, 10, 8, 3, 7776, 16, 18, 93312, 9, 147, 30, 256, 24, 6, 200, 9, 18, 200, 1, 18, 108 ]
[ "nonn", "base", "less", "dumb" ]
A018404
[ 1, 3, 5, 15, 23, 69, 115, 345 ]
[ "nonn", "fini", "full", "easy" ]
A102519
[ 5, 8, 6, 5, 0, 3, 3, 2, 8, 4, 3, 3, 6, 5, 5, 9, 6, 2, 8, 6, 6, 5, 0, 5, 1, 2, 6, 2, 6, 5, 2, 7, 2, 9, 1, 8, 9, 5, 1, 9, 6, 0, 1, 3, 9, 7, 2, 5, 0, 1, 9, 5, 1, 0, 4, 0, 0, 4, 7, 5, 4, 8, 4, 7, 8, 1, 7, 2, 7, 2, 7, 2, 3, 9, 8, 0, 4, 7, 6, 5, 3, 8, 6, 9, 7, 1, 4, 9, 7, 8, 3, 8, 2, 6, 2, 1, 8 ]
[ "cons", "nonn" ]
A214534
[ 3, 5, 15, 93, 1007, 17213, 461465, 19166997, 1246538209, 126946385993, 20342860627393, 5148359000639457 ]
[ "nonn" ]
A130261
[ 0, 1, 2, 4, 6, 8, 10, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 55, 59, 63, 67, 71, 75, 79, 83, 87, 91, 95, 99, 103, 107, 111, 115, 119, 123, 127, 131, 135, 139, 143, 147, 151, 155, 159, 163, 167, 171, 175, 179, 183, 187, 192, 197, 202, 207, 212, 217 ]
[ "nonn" ]
A329505
[ 1, 4, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 ]
[ "nonn", "easy" ]
A058993
[ 1, 3, 26, 36, 43, 66, 76, 149, 511, 885, 3767, 18157, 20516, 26316 ]
[ "nonn", "base", "more" ]
A110589
[ 3, 5, 7, 11, 13, 19, 23, 29, 31, 37, 41, 47, 67, 73, 79, 97, 101, 103, 109, 151, 157, 197, 211, 227, 233, 239, 257, 263, 293, 307, 331, 337, 349, 353, 359, 367, 389, 397, 409, 443, 449, 463, 487, 491, 509, 521, 547, 569, 571, 587, 613, 619, 653, 661, 673, 727 ]
[ "nonn" ]
A059605
[ 15, 37, 68, 109, 161, 225, 302, 393, 499, 621, 760, 917, 1093, 1289, 1506, 1745, 2007, 2293, 2604, 2941, 3305, 3697, 4118, 4569, 5051, 5565, 6112, 6693, 7309, 7961, 8650, 9377, 10143, 10949, 11796, 12685, 13617, 14593, 15614, 16681, 17795, 18957, 20168, 21429, 22741 ]
[ "easy", "nonn" ]
A300489
[ 0, 1, 5, 65, 1766, 83674, 6124584, 639826452, 90328291248, 16558780949136, 3823322392154880, 1085461798576638200, 371610484248792500000, 1.5096131416596855e+23, 7.179030215467464e+25, 3.950687858069218e+28, 2.4909116615180035e+31 ]
[ "nonn" ]
A014827
[ 1, 7, 38, 194, 975, 4881, 24412, 122068, 610349, 3051755, 15258786, 76293942, 381469723, 1907348629, 9536743160, 47683715816, 238418579097, 1192092895503, 5960464477534, 29802322387690, 149011611938471, 745058059692377, 3725290298461908, 18626451492309564, 93132257461547840 ]
[ "nonn", "easy", "changed" ]
A297174
[ 0, 1, 1, 5, 1, 19, 1, 69, 5, 19, 1, 2123, 1, 19, 19, 4165, 1, 2131, 1, 2125, 19, 19, 1, 4228171, 5, 19, 69, 2125, 1, 526631, 1, 2101317, 19, 19, 19, 268706123, 1, 19, 19, 4228237, 1, 526643, 1, 2125, 2123, 19, 1, 550026380363, 5, 2131, 19, 2125, 1, 4229203, 19, 4228237, 19, 19, 1, 8798249190555, 1, 19, 2123, 17181970501, 19, 526643, 1, 2125 ]
[ "nonn" ]
A087192
[ 1, 2, 3, 4, 6, 8, 11, 15, 20, 27, 36, 48, 64, 86, 115, 154, 206, 275, 367, 490, 654, 872, 1163, 1551, 2068, 2758, 3678, 4904, 6539, 8719, 11626, 15502, 20670, 27560, 36747, 48996, 65328, 87104, 116139, 154852, 206470, 275294, 367059, 489412, 652550 ]
[ "nonn" ]
A292915
[ 1, 1, 1, 1, 2, 3, 1, 3, 6, 13, 1, 4, 11, 26, 75, 1, 5, 18, 51, 150, 541, 1, 6, 27, 94, 299, 1082, 4683, 1, 7, 38, 161, 582, 2163, 9366, 47293, 1, 8, 51, 258, 1083, 4294, 18731, 94586, 545835, 1, 9, 66, 391, 1910, 8345, 37398, 189171, 1091670, 7087261, 1, 10, 83, 566, 3195, 15666, 74067, 378214, 2183339, 14174522, 102247563 ]
[ "nonn", "tabl" ]
A102088
[ 1, 3, 10, 49, 367, 3850, 52173, 868614, 17199370, 395757887, 10396896795, 307511681367, 10124396776169, 367567456615441, 14598938725992904, 630060602243145500, 29375322688053256000, 1.4720082901203233e+21 ]
[ "nonn" ]
A134070
[ 13, 13471118294776124, 1.3471118294776124e+119 ]
[ "nonn", "base", "bref", "hard" ]
A155050
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 5, 2, 1, 1, 1, 1, 2, 5, 5, 2, 1, 1, 1, 1, 2, 5, 14, 5, 2, 1, 1, 1, 1, 2, 5, 14, 14, 5, 2, 1, 1, 1, 1, 2, 5, 14, 42, 14, 5, 2, 1, 1, 1, 1, 2, 5, 14, 42, 42, 14, 5, 2, 1, 1, 1, 1, 2, 5, 14, 42, 132, 42, 14, 5, 2, 1, 1 ]
[ "easy", "nonn", "tabl" ]
A206632
[ 87238, 61723264, 43740991174, 30995204476194, 21963397411445576, 15563412880264966000, 1.1028339625449228e+22, 7.814756058919507e+24, 5.537589006760757e+27, 3.923973029438324e+30 ]
[ "nonn" ]
A131148
[ 0, 1, 2, 3, 5, 6, 4, 7, 8, 13, 15, 12, 16, 19, 9, 14, 10, 17, 18, 11, 20, 21, 22, 36, 41, 35, 43, 52, 34, 40, 31, 44, 47, 32, 53, 56, 60, 25, 37, 24, 42, 51, 23, 38, 27, 45, 46, 29, 48, 49, 50, 28, 39, 26, 54, 55, 30, 57, 58, 59, 33, 61, 62, 63, 64, 106, 120, 105, 125, 153 ]
[ "nonn" ]
A292186
[ 1, 3, 24, 297, 4896, 100278, 2450304, 69533397, 2247492096, 81528066378, 3280382613504, 145009234904922, 6986546222800896, 364418301804218050, 20459842995693257000, 1.2302629006771246e+21, 7.888401670771135e+22, 5.372823210133041e+24, 3.873942838666521e+26 ]
[ "nonn", "easy", "changed" ]
A056988
[ 0, 1, 8, 116, 4316, 483835, 175048780, 212125583518, 887136857205696, 13086449050056880000, 6.91487226135526e+23, 1.3243790986445127e+29, 9.282169276262859e+34, 2.3992816028884162e+41 ]
[ "nonn" ]
A026645
[ 1, 1, 3, 5, 14, 21, 55, 85, 216, 341, 848, 1365, 3340, 5461, 13191, 21845, 52208, 87381, 206968, 349525, 821514, 1398101, 3264044, 5592405, 12979006, 22369621, 51642594, 89478485, 205592744, 357913941, 818848135, 1431655765, 3262611696, 5726623061, 13003800704, 22906492245 ]
[ "nonn" ]
A252380
[ 1966, 771, 663, 744, 916, 1097, 1361, 1791, 2270, 2976, 4082, 5341, 7204, 10080, 13381, 18273, 25783, 34430, 47252, 66894, 89537, 123120, 174524, 233809, 321745, 456303, 611518, 841752, 1194010, 1600373, 2203148, 3125352, 4189229, 5767329 ]
[ "nonn" ]
A095865
[ 0, 0, 5, 35, 11, 128, 405, 1628, 5153, 6281, 20331, 404505, 1326005, 2437316, 12392316, 42485480, 37150046, 18810, 179470703, 2237948990, 10876002500, 22548781025, 26940078203, 242416922750, 572687476751, 4117080477500 ]
[ "base", "easy", "nonn" ]
A209707
[ 1, 1, 2, 4, 10, 23, 63, 155, 448, 1152, 3452, 9158, 28178, 76539, 240370, 665129, 2123438, 5964689, 19302281, 54898345, 179695808, 516467363, 1707124038, 4950679082, 16503152306, 48232213024, 161981435856, 476630676669, 1611253336964, 4769563838975, 16218280461398 ]
[ "nonn" ]
A109752
[ 1, 2, 3, 4, 5, 6, 7, 8, 90 ]
[ "base", "fini", "full", "nonn", "less" ]
A280010
[ 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 3, 1, 1, 2, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 2, 1, 2, 1, 1, 3, 1, 2, 1, 1, 1, 2 ]
[ "nonn" ]
A212101
[ 0, 1, 4, 9, 20, 29, 42, 55, 80, 109, 132, 153, 196, 221, 254, 287, 356, 389, 460, 497, 568, 617, 670, 715, 808, 897, 960, 1057, 1156, 1213, 1306, 1367, 1512, 1589, 1672, 1749, 1964, 2037, 2130, 2223, 2376, 2457, 2580, 2665, 2824, 2997, 3110 ]
[ "nonn" ]
A164748
[ 1, 108, 8181, 920072, 204261981 ]
[ "nonn" ]
A334911
[ 36, 40, 72, 96, 126, 176, 200, 225, 234, 252, 280, 297, 320, 408, 520, 550, 576, 588, 600, 648, 690, 714, 735, 736, 768, 780, 784, 816, 850, 855, 896, 945, 972, 1026, 1040, 1064, 1092, 1160, 1188, 1216, 1242, 1248, 1275, 1280, 1296, 1300, 1350, 1404, 1530 ]
[ "nonn" ]
A252942
[ 101, 313, 727, 131, 11411, 151, 13613, 373, 181, 191, 9109, 131113, 7127, 171317, 131413, 1151, 3163, 1171, 1181, 9199, 1201, 112111, 172217, 1231, 7247, 3253, 372637, 172717, 232823, 1291, 1301, 3313, 1321, 233323, 3343, 273527, 1361, 3373, 1381, 173917, 174017 ]
[ "base", "easy", "nonn" ]
A361614
[ 0, 1, 1, 1, 2, 3, 1, 5, 2, 4, 4, 1, 10, 5, 6, 7, 1, 15, 5, 11, 7, 5, 14, 3, 18, 7, 10, 14, 5, 21, 5, 23, 2, 28, 2, 30, 2, 32, 2, 34, 2, 36, 2, 38, 2, 40, 2, 42, 2, 44, 2, 46, 2, 48, 2, 50, 2, 52, 2, 54, 2, 56, 2, 58, 2, 60, 2, 62, 2, 64, 2, 66, 2, 68, 2, 70, 2 ]
[ "nonn", "easy" ]
A112922
[ 1, 1, 2, 3, 4, 5, 7, 8, 7, 19, 10, 16, 23, 20, 15, 33, 19, 43, 39, 37, 26, 73, 36, 52, 49, 75, 40, 127, 46, 78, 83, 87, 85, 149, 64, 109, 113, 163, 77, 227, 85, 167, 167, 158, 100, 266, 124, 222, 183, 229, 126 ]
[ "nonn", "more" ]
A161583
[ 0, 17, 4896, 1405152, 403273745, 115738159680, 33216448554432, 9533004996962320, 2735939217679632000, 785205022469057300000, 2.2535110550940178e+23, 6.467498207617584e+25, 1.8561494504756956e+28, 5.327084247883171e+30 ]
[ "nonn" ]
A093386
[ 0, 0, 0, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 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, 0, 0, 0, 0, 0, 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, 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, 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, 0, 0, 0, 1, 1, 0, 0, 0, 0 ]
[ "nonn", "fini", "full" ]
A284897
[ 1, -1, -7, -20, -8, 99, 455, 958, 715, -3606, -17450, -44157, -61852, 19546, 419786, 1442212, 3084950, 3756436, -2155907, -27112107, -88277693, -187777531, -251308697, -5153980, 1182558343, 4299818445, 9988792754, 16075200671, 12020651310, -29802956283 ]
[ "sign" ]
A062398
[ 1, 4, 9, 10, 22, 40, 88, 90, 100, 103, 108, 130, 144, 180, 202, 207, 220, 270, 301, 306, 310, 360, 400, 405, 414, 441, 450, 466, 504, 540, 603, 630, 646, 664, 702, 709, 720, 790, 801, 808, 810, 880, 889, 898, 900, 907, 970, 988, 1000, 1003, 1008, 1012, 1017 ]
[ "nonn", "base", "easy" ]
A348631
[ 70, 4030, 5830, 10430, 10570, 10990, 11410, 11690, 12110, 12530, 12670, 13370, 13510, 13790, 13930, 14770, 15610, 15890, 16030, 16310, 16730, 16870, 17570, 17990, 18410, 18830, 18970, 19390, 19670, 19810, 20510, 21490, 21770, 21910, 22190, 23170, 23590, 24290 ]
[ "nonn" ]
A330900
[ 0, 2, 22, 130, 1196, 11698, 107315, 961924, 8641491, 78304633, 714962670, 6572968299 ]
[ "nonn", "more" ]
A230279
[ 1, 0, 0, 1, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 2, 0, 0, 1, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 1, 2, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 3, 0, 0, 2, 0, 0 ]
[ "nonn" ]
A323027
[ 2, 6, 14, 36, 62, 92, 122, 292, 758, 4436, 5526, 11066, 14076, 17036, 23618, 25412, 33692, 61358, 71018, 92156, 158476, 334026, 641606, 3036746, 3404702, 4487274 ]
[ "nonn", "more", "hard" ]
A111311
[ 4, 1, 1, 3, 1, 2, 1, 2, 1, 4, 1, 1, 1, 1, 2, 2, 1, 1, 1, 14, 1, 3, 1, 1, 2, 2, 2, 2, 1, 1, 1, 11, 2, 2, 2, 1, 1, 2, 1, 2, 1, 1, 1, 2, 1, 3, 1, 1, 2, 2, 11, 2, 1, 2, 1, 2, 2, 1, 1, 2, 1, 13, 1, 3, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 4, 1, 8, 3, 1, 1, 3, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1 ]
[ "base", "nonn" ]
A169341
[ 1, 40, 1560, 60840, 2372760, 92537640, 3608967960, 140749750440, 5489240267160, 214080370419240, 8349134446350360, 325616243407664060, 12699033492898898000, 495262306223057000000, 1.9315229942699222e+22 ]
[ "nonn" ]
A170426
[ 1, 33, 1056, 33792, 1081344, 34603008, 1107296256, 35433480192, 1133871366144, 36283883716608, 1161084278931456, 37154696925806590, 1188950301625811000, 38046409652025950000, 1.2174851088648304e+21, 3.895952348367457e+22 ]
[ "nonn" ]
A107193
[ 97, 181, 277, 337, 349, 373, 613, 733, 757, 829, 853, 1129, 1213, 1237, 1297, 1321, 1549, 1657, 1693, 1753, 2017, 2029, 2089, 2137, 2221, 2281, 2521, 2917, 3037, 3049, 3181, 3217, 3229, 3433, 3469, 3541, 3697, 3877, 4093, 4177, 4549, 4597 ]
[ "nonn", "easy" ]
A196719
[ 1, 2, 4, 7, 11, 16, 24, 31, 40, 52, 68, 79, 102, 115, 140, 175, 201, 218, 265, 284, 336, 396, 446, 469, 547, 599, 662, 742, 837, 866, 1034, 1065, 1153, 1275, 1370, 1511, 1719, 1756, 1869, 2030, 2244, 2285, 2613, 2656, 2865, 3236, 3394, 3441, 3780, 3921, 4232 ]
[ "nonn" ]
A099742
[ 1, 1, 1, 7, 412, 7, 7, 133, 7, 7, 316, 7, 25, 10, 10, 10, 7, 7, 16, 10, 7, 25, 1, 7, 7, 100, 55, 7, 28, 940, 37, 148, 22, 16, 28, 67, 31, 82, 64, 4, 82, 445, 292, 310, 16, 1687, 13, 37, 43, 7, 58, 22, 31, 97, 70, 7, 22, 1, 19, 52, 58, 25, 1, 367, 4, 7, 4, 37, 55 ]
[ "nonn" ]
A114768
[ 1, 2744, 2985984, 2998442888, 2999690679448, 2999940279271424, 2999996441139764000, 2.999999561264113e+21, 2.999999998081694e+24, 2.9999999980816945e+27, 2.99999999995377e+30, 2.99999999995377e+33 ]
[ "nonn", "easy" ]
A241097
[ 3, 5, 12, 25, 57, 250, 559, 13238, 1077012, 322656571, 5795765057424, 4027870835232392000, 9.037916182826463e+26, 1.7762109185188902e+39, 1.5280451339626747e+58 ]
[ "nonn" ]
A015621
[ 1, 0, -1, 0, 1, 0, -1, 0, 1, 0, -1, 0, 1, 0, -1, 0, 1, 0, -1, 0, 1, 0, -1, 0, 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, 1, 0, -1, 0, 1, 0, -1, 0, 1, 0, -1, 0, 1, 0, -1, 0, 1, 0, -1 ]
[ "sign" ]
A189263
[ 88, 7744, 293495, 10113920, 319000548, 9918543104, 305860450896, 9421503162646, 290030885325044, 8927631449810010, 274794811549580580, 8458248128908577000, 260346492261595740000, 8.01352471762835e+21, 2.4665827999961916e+23 ]
[ "nonn" ]
A026558
[ 1, 2, 7, 24, 93, 362, 1452, 5880, 24089, 99386, 412637, 1721500, 7211536, 30312960, 127790379, 540082784, 2287577537, 9707988994, 41269156159, 175705272784, 749099069183, 3197651758190, 13665035075871, 58456775063400, 250302852165368, 1072680809038112, 4600656305265352, 19746390910296372 ]
[ "nonn" ]
A219282
[ 1, 1, 1, 2, 3, 4, 6, 9, 13, 18, 25, 35, 49, 68, 93, 126, 170, 229, 308, 413, 551, 731, 965, 1269, 1664, 2177, 2842, 3701, 4806, 6222, 8031, 10337, 13272, 17003, 21740, 27745, 35343, 44936, 57021, 72213, 91274, 115149, 145010, 182309, 228841, 286819, 358964, 448614, 559857, 697694 ]
[ "nonn" ]
A057479
[ 1, 4, 5, 8, 11, 12, 14, 18, 23, 28, 30, 36, 49, 54, 60, 68, 71, 79, 84, 103, 113, 151, 156, 191, 198, 364, 390, 470, 476, 508, 540, 620, 721, 823, 865, 1135, 1558, 1825, 1950, 4225, 4788, 8100, 12294, 12553, 14686, 18516, 19660, 24470, 30486, 32086, 43908 ]
[ "nonn" ]
A113463
[ 1, 1, 2, 2, 4, 6, 2, 4, 6, 8, 8, 9, 10, 11, 12, 23, 24, 25, 26, 27, 28, 24, 25, 26, 27, 28, 29, 30, 103, 114, 125, 136, 147, 158, 169, 180, 304, 330, 356, 382, 408, 434, 460, 486, 512, 324, 368, 412, 456, 500, 544, 588, 632, 676, 720, 8, 172, 336, 500, 664, 828, 992, 1156 ]
[ "nonn", "tabl", "less" ]
A354218
[ 1, 3, 15, 105, 1155, 1365, 19635, 23205, 636405, 10555545, 24484845, 869107785, 14797252681546336, 92442344345566200, 40334203530676690000, 1.4514173513742234e+21, 6.087255082617245e+21, 4.6925625341601485e+29, 1.5190124982863894e+39 ]
[ "nonn" ]
A326350
[ 1, 0, 1, 4, 23, 157, 1182 ]
[ "nonn", "more" ]
A318247
[ 1, 1, 2, 42, 600, 28920, 374285520, 128100273840, 131101518683520, 143354704247556480, 1.7340140426668354e+26, 2.538767479410417e+30, 1.0528775248703103e+35, 4.510685217145833e+39, 2.8880413871940497e+44 ]
[ "nonn" ]
A009431
[ 0, 1, -1, -1, 0, 49, -165, -393, -504, 70785, -434385, -517265, -12647976, 654552625, -6276987717, 18362076327, -636272644560, 22683808563841, -312594994151361, 2817355930176479, -72112751626318640, 2222078368780723000 ]
[ "sign", "easy" ]
A211713
[ 264, 726, 1670, 3574, 7448, 15136, 30436, 60938, 120832, 241150, 476020, 951586, 1878928, 3771022, 7467440, 15063942, 29958046, 60772582, 121463624, 247803532, 497864910, 1021347926, 2062591634, 4253485786, 8631871242, 17886996814 ]
[ "nonn" ]
A197740
[ 1, 2, 23, 359, 14055, 1201128, 242811875, 111519014903, 116476823660735 ]
[ "nonn" ]
A197642
[ 1, 2, 11, 31, 66, 185, 595, 1760, 4857, 13817, 40388, 117255, 336113, 965514, 2786619, 8042407, 23164130, 66711425, 192263523, 554192616, 1596983385, 4601566433, 13260282324, 38213747983, 110121270385, 317332109746, 914453225419 ]
[ "nonn" ]
A063977
[ 1, 3, 4, 5, 6, 8, 9, 10, 12, 14, 17, 18, 20, 24, 26, 28, 30, 32, 33, 36, 38, 40, 42, 44, 48, 50, 54, 56, 60, 62, 65, 68, 70, 72, 74, 78, 80, 82, 84, 90, 96, 98, 100, 102, 104, 108, 110, 112, 114, 120, 122, 126, 128, 129, 130, 132, 136, 138, 140, 144, 150, 152, 158 ]
[ "nonn" ]
A053181
[ 9, 39, 49, 69, 99, 119, 129, 159, 169, 189, 209, 219, 249, 259, 279, 289, 299, 309, 319, 329, 339, 369, 399, 429, 459, 469, 489, 519, 529, 539, 549, 559, 579, 589, 609, 629, 639, 649, 669, 679, 689, 699, 729, 749, 759, 779, 789, 799, 819, 849, 869, 879, 889, 899 ]
[ "easy", "nonn", "base" ]
A148438
[ 1, 1, 2, 6, 15, 43, 143, 437, 1417, 4989, 16662, 57588, 210213, 738585, 2655474, 9938226, 36093321, 133318933, 508179320, 1889378414, 7117855813, 27515624661, 104113056537, 398189050433, 1556540328859, 5970705339763, 23109973111658, 91161048731052, 353543822644935, 1381772586075051, 5491843697255583 ]
[ "nonn", "walk" ]
A107070
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 61, 71, 918, 3612, 5101, 8161, 12481, 51011, 248161, 361213, 5101111, 7141519, 8161723, 481617232, 2481617232, 4816172324, 5101111121, 24816172324, 51011111213, 71415192025, 612131516192, 816172324313, 3612131516192, 5101111121314, 6121315161920, 9181927283739 ]
[ "base", "nonn" ]
A042478
[ 27, 28, 83, 277, 360, 637, 997, 1634, 2631, 9527, 21685, 31212, 1707133, 1738345, 5183823, 17289814, 22473637, 39763451, 62237088, 102000539, 164237627, 594713420, 1353664467, 1948377887, 106566070365, 108514448252, 323594966869, 1079299348859, 1402894315728 ]
[ "nonn", "frac", "easy" ]
A374406
[ 1, 3, 3, 2, 3, 3, 3, 5, 3, 2, 6, 5, 3, 3, 1, 5, 9, 5, 3, 5, 5, 4, 7, 3, 2, 9, 5, 4, 5, 6, 6, 8, 8, 2, 6, 4, 5, 11, 8, 3, 6, 5, 4, 9, 4, 7, 11, 8, 2, 5, 8, 7, 13, 5, 6, 10, 7, 6, 4, 7, 8, 9, 4, 2, 11, 12, 5, 12, 6, 3, 15, 10, 6, 9, 7, 4, 12, 6, 5, 8, 9, 10, 14, 7, 4, 15, 4, 9, 7, 4, 5, 12, 15, 7, 10, 10, 7, 13, 10, 3 ]
[ "nonn" ]
A085700
[ 2, 4, 26, 112, 365, 449, 453 ]
[ "nonn", "fini", "full" ]
A228483
[ 1, 3, 3, 2, 3, 1, 3, 2, 2, 1, 3, 2, 3, 1, 1, 2, 3, 2, 3, 2, 1, 1, 3, 2, 2, 1, 2, 2, 3, 3, 3, 2, 1, 1, 1, 2, 3, 1, 1, 2, 3, 3, 3, 2, 2, 1, 3, 2, 2, 2, 1, 2, 3, 2, 1, 2, 1, 1, 3, 2, 3, 1, 2, 2, 1, 3, 3, 2, 1, 3, 3, 2, 3, 1, 2, 2, 1, 3, 3, 2, 2, 1, 3, 2, 1, 1, 1 ]
[ "dead" ]
A061796
[ 1, 3, 6, 9, 12, 17, 18, 23, 27, 30, 30, 39, 40, 45, 45, 51, 51, 60, 60, 66, 69, 72, 72, 81, 81, 81, 86, 92, 94, 103, 103, 112, 112, 114, 114, 131, 133, 133, 133, 141, 141, 151, 153, 155, 157, 157, 157, 175, 178, 185, 185, 193, 193, 202, 202, 202, 205, 205, 205 ]
[ "nonn" ]
A299358
[ 64, 3281, 5631, 22768, 104376, 484468, 2195326, 10199011, 48054411, 223711719, 1041915124, 4888104627, 22924791789, 107381397154, 503819334542, 2366291449291, 11114013484044, 52225757104863, 245582918823266 ]
[ "nonn" ]