id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A383095
[ 1, 1, 2, 2, 3, 2, 6, 2, 4, 5, 6, 2, 12, 2, 6, 8, 5, 2, 20, 2, 12, 8, 6, 2, 20, 5, 6, 12, 12, 2, 34, 2, 6, 8, 6, 8, 45, 2, 6, 8, 20, 2, 34, 2, 12, 28, 6, 2, 30, 5, 20, 8, 12, 2, 52, 8, 20, 8, 6, 2, 78, 2, 6, 28, 7, 8, 34, 2, 12, 8, 34, 2, 80, 2, 6, 28, 12, 8, 34, 2, 30, 25 ]
[ "nonn" ]
A363654
[ 1, 2, 1, 3, 2, 3, 1, 2, 4, 3, 4, 5, 3, 6, 7, 4, 3, 8, 6, 9, 7, 8, 4, 10, 3, 7, 4, 6, 8, 9, 11, 10, 12, 3, 9, 13, 7, 3, 11, 9, 14, 15, 13, 16, 17, 7, 18, 3, 19, 20, 11, 14, 9, 20, 17, 15, 19, 20, 18, 21, 11, 22, 3, 23, 24, 25, 26, 14, 17, 9, 27, 28, 29, 15, 26, 19 ]
[ "nonn" ]
A038470
[ 5, 17, 20, 65, 68, 80, 257, 260, 272, 320, 1025, 1028, 1040, 1088, 1280, 4097, 4100, 4112, 4160, 4352, 5120, 16385, 16388, 16400, 16448, 16640, 17408, 20480, 65537, 65540, 65552, 65600, 65792, 66560, 69632, 81920, 262145, 262148, 262160, 262208, 262400, 263168 ]
[ "nonn", "easy" ]
A108596
[ 4, 10, 36, 40, 48, 94, 120, 130, 138, 160, 174, 180, 198, 216, 226, 250, 268, 270, 274, 276, 286, 298, 328, 330, 346, 348, 360, 366, 396, 400, 414, 450, 454, 456, 460, 466, 474, 478, 480, 498, 510, 528, 538, 550, 558, 580, 598, 606, 648, 676, 678, 688, 690 ]
[ "nonn", "easy" ]
A212260
[ 0, 1, 0, 1, 3, 5, 22, 64, 198, 710, 2332, 8105, 28665, 100653, 361104, 1301180, 4713267, 17217021, 63140534, 232702261, 861507251, 3200666821, 11933894310, 44636509320, 167427781950, 629691033738, 2373987233286, 8970240131032, 33965443165016, 128857452216256 ]
[ "nonn" ]
A200117
[ 9, 8, 4, 7, 1, 2, 6, 9, 9, 3, 6, 3, 0, 6, 7, 3, 5, 2, 4, 9, 9, 1, 3, 8, 0, 0, 9, 0, 7, 4, 8, 4, 5, 5, 2, 4, 3, 2, 3, 5, 0, 7, 8, 9, 3, 1, 1, 5, 1, 0, 5, 9, 5, 6, 0, 4, 9, 2, 5, 3, 6, 5, 5, 6, 9, 1, 3, 4, 7, 6, 9, 8, 2, 7, 3, 6, 3, 5, 2, 6, 1, 9, 1, 6, 0, 4, 3, 4, 8, 3, 7, 0, 8, 5, 6, 3, 0, 4, 0 ]
[ "nonn", "cons" ]
A106135
[ 1, 2, 4, 12, 14, 64, 79, 81, 83, 84, 85, 6879, 6901, 613419, 613445, 613571, 613605, 58155568, 6384425499, 6384425501, 6384425551, 6384425553, 6384425635, 819217006167, 819217006202, 819217006763, 819217006854, 819217006872 ]
[ "nonn", "hard", "more" ]
A320275
[ 2, 3, 7, 9, 13, 19, 27, 37, 49, 53, 61, 81, 89, 91, 113, 131, 151, 169, 223, 243, 247, 251, 281, 299, 311, 343, 359, 361, 377, 427, 463, 503, 593, 611, 637, 659, 689, 703, 719, 729, 791, 827, 851, 863, 923, 953, 1069, 1073, 1159, 1163, 1183, 1291, 1321, 1339 ]
[ "nonn" ]
A222030
[ 0, 1, 2, 3, 4, 5, 6, 7, 9, 11, 12, 13, 16, 17, 19, 20, 23, 25, 29, 30, 31, 36, 37, 41, 42, 43, 47, 49, 53, 56, 59, 61, 64, 67, 71, 72, 73, 79, 81, 83, 89, 90, 97, 100, 101, 103, 107, 109, 110, 113, 121, 127, 131, 132, 137, 139, 144, 149, 151, 156, 157, 163, 167, 169 ]
[ "nonn", "easy" ]
A200134
[ 1, 0, 8, 5, 8, 6, 0, 8, 7, 9, 7, 8, 6, 4, 7, 2, 1, 6, 9, 6, 2, 6, 8, 8, 6, 7, 6, 2, 8, 1, 7, 1, 8, 0, 6, 9, 3, 1, 7, 0, 0, 7, 5, 0, 3, 9, 3, 3, 3, 1, 3, 6, 4, 5, 0, 6, 8, 0, 3, 3, 4, 9, 6, 7, 2, 1, 1, 1, 4, 0, 3, 8, 9, 5, 4, 3, 6, 4, 4, 3, 1, 8, 4, 4, 0, 5, 1, 9, 6, 3, 1, 6, 0, 9, 9, 4, 4 ]
[ "cons", "nonn" ]
A295850
[ 0, 0, 2, 1, 7, 6, 21, 23, 60, 75, 167, 226, 457, 651, 1236, 1823, 3315, 5010, 8837, 13591, 23452, 36531, 62031, 97538, 163665, 259155, 431012, 686071, 1133467, 1811346, 2977581, 4772543, 7815660, 12555435, 20502167, 32992066, 53756377, 86617371, 140898036 ]
[ "easy", "nonn" ]
A177580
[ 1, 6, 90, 2432, 104088, 6469450, 551224281, 61682514624, 8774836958792, 1546903370655438 ]
[ "nonn" ]
A058492
[ 1, -3, 3, -7, 18, -21, 30, -57, 75, -104, 156, -207, 293, -411, 525, -712, 984, -1248, 1622, -2169, 2757, -3530, 4560, -5736, 7284, -9249, 11472, -14374, 18078, -22242, 27484, -34140, 41787, -51184, 62796, -76317, 92893, -112998, 136275, -164671, 199014 ]
[ "sign" ]
A138662
[ 1, 3, 3, 469, 1333, 15984, 978131, 978131 ]
[ "nonn", "base" ]
A220689
[ 1, 21, 21, 105, 105, 105, 105, 946, 946, 666, 1653, 666, 1378, 946, 1225, 946, 4005, 1378, 4005, 1378, 7381, 1225, 1378, 1653, 2485, 4005, 31125, 4005, 4005, 4005, 2485, 13861, 13861, 5356, 4005, 7381, 5356, 5356, 7381, 4005, 5356, 29161, 12561, 12561, 4186, 4186, 4186, 4186 ]
[ "nonn" ]
A370736
[ 1, 2, 2, 76, -106, 1788, -1516, 57176, -276634, 2270444, -10094212, 97699752, -664173444, 4819718488, -33236872088, 259931360688, -1894783205754, 13983087008588, -103270227527444, 779496572387208, -5855545477963244, 44016069418771976, -331519650617078400, 2514477954420678000 ]
[ "sign" ]
A267335
[ 120, 0, 0, 0, 0, 1, 38, 8314, 552162, 14897883, 202307164, 1740883167, 9375189986, 39259985155, 135039588180, 462186051984 ]
[ "nonn" ]
A217232
[ 0, 0, 1, 0, 1, 1, 0, 1, 26, 1, 0, 1, 47, 1755, 1, 0, 1, 47, 4830, 321848, 1, 0, 1, 47, 5167, 1686393, 178829423, 1, 0, 1, 47, 5227, 1950380, 2096316167 ]
[ "nonn", "tabl", "hard", "more" ]
A058302
[ 3, 23, 31, 59, 71, 83, 107, 139, 151, 167, 211, 223, 239, 251, 271, 283, 307, 311, 331, 359, 379, 439, 463, 467, 487, 499, 547, 587, 643, 647, 659, 719, 751, 811, 827, 859, 883, 907, 911, 919, 967, 971, 983, 1031, 1039, 1063, 1103, 1163, 1171, 1223 ]
[ "nonn" ]
A038773
[ 11, 31, 79, 331, 2531, 30319, 511039, 9700357, 223093769, 6469694377, 200560491721, 7420738136831, 304250263529059, 13082761331672804, 614889782588495000, 32589158477190050000, 1.9227603501542128e+21, 1.1728838135940697e+23, 7.858321551080267e+24, 5.5794083012669893e+26 ]
[ "nonn" ]
A317402
[ 0, 0, 0, 8, 5, 72, 38, 56, 23, 0 ]
[ "fini", "full", "nonn" ]
A294889
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 30, 0, 0, 0, 20, 0, 0, 0, 0, 0, 0, 0, 36, 0, 0, 0, 0, 0, 18, 0, 0, 0, 0, 0, 62, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 90, 0, 0, 0, 0, 0, 0, 0, 60, 0, 0, 0, 54, 0, 0, 0, 0, 0, 48, 0, 0, 0, 0, 0, 84, 0, 0, 0, 20, 0, 0, 0, 0, 0 ]
[ "nonn" ]
A201706
[ 13, 229, 733, 1093, 2029, 3253, 7573, 13693, 18229, 21613, 31333, 33493, 42853, 59053, 65029, 71293, 91813, 127453, 140629, 178933, 189229, 199813, 205213, 227533, 233293, 245029, 257053, 328333, 378229, 439573, 514093, 567013 ]
[ "nonn", "easy" ]
A174643
[ 8, 44, 710, 222821, 24666982037, 304224505147060850000, 4.627627475848272e+40, 1.0707468027612925e+81 ]
[ "easy", "nonn" ]
A211054
[ 0, 1, 2, 6, 11, 26, 27, 66, 57, 109, 109, 182, 129, 319, 187, 332, 360, 497, 309, 714, 397, 839, 690, 842, 571, 1456, 821, 1156, 1126, 1663, 907, 2264, 1071, 2106, 1708, 1976, 1798, 3449, 1513, 2474, 2358, 3874, 1839, 4372, 2065, 3973 ]
[ "nonn" ]
A239199
[ 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0 ]
[ "nonn", "base" ]
A008768
[ 1, 1, 2, 3, 5, 6, 9, 12, 16, 20, 26, 32, 40, 48, 58, 69, 82, 95, 111, 128, 147, 167, 190, 214, 241, 269, 300, 333, 369, 406, 447, 490, 536, 584, 636, 690, 748, 808, 872, 939, 1010, 1083, 1161, 1242, 1327, 1415, 1508, 1604, 1705, 1809, 1918, 2031, 2149, 2270 ]
[ "nonn" ]
A038554
[ 0, 0, 1, 0, 2, 3, 1, 0, 4, 5, 7, 6, 2, 3, 1, 0, 8, 9, 11, 10, 14, 15, 13, 12, 4, 5, 7, 6, 2, 3, 1, 0, 16, 17, 19, 18, 22, 23, 21, 20, 28, 29, 31, 30, 26, 27, 25, 24, 8, 9, 11, 10, 14, 15, 13, 12, 4, 5, 7, 6, 2, 3, 1, 0, 32, 33, 35, 34, 38, 39, 37, 36, 44, 45, 47, 46, 42, 43, 41, 40, 56, 57 ]
[ "nonn", "base", "look", "nice", "easy" ]
A339530
[ 0, 0, 4, 0, 9, 2, 6, 9, 8, 2, 9, 9, 2, 8, 6, 2, 8, 7, 3, 0, 7, 4, 7, 6, 2, 0, 4, 6, 8, 9, 6, 4, 0, 2, 5, 9, 8, 6, 5, 2, 4, 9, 8, 2, 4, 7, 3, 5, 4, 0, 0, 1, 6, 9, 8, 1, 2, 4, 9, 1, 0, 5, 6, 0, 0, 5, 5, 5, 7, 2, 1, 3, 9, 8, 9, 5, 8, 1, 9, 3, 5, 8, 3, 5, 4, 4, 8, 8, 9, 4, 3, 5, 1, 8, 1, 9, 6, 9, 5, 1, 1, 5, 0, 3, 6 ]
[ "nonn", "cons" ]
A169882
[ 16, 56, 192, 776, 3459 ]
[ "nonn", "more" ]
A037228
[ 1, 0, 0, 0, 1, -1, 2, 0, 2, 0, 5, -1, 6, 0, 2, 2, 9, -1, 10, 0, 4, 2, 13, -1, 11, 3, 9, 3, 18, -2, 19, 5, 9, 5, 13, 1, 24, 6, 12, 4, 27, -1, 28, 6, 10, 8, 31, 1, 27, 5, 17, 9, 36, 2, 24, 8, 20, 12, 41, -1, 42, 12, 18, 14, 30, 2, 47, 13, 25, 5, 50, 4, 51, 15, 19, 15, 39, 3, 56, 10, 32, 18, 59, 1, 41, 19 ]
[ "sign" ]
A322831
[ 71, 71, 40, 77, 45, 51, 42, 56, 49, 51, 48, 54 ]
[ "nonn", "more" ]
A380592
[ 1, 3, 27, 1083, 296081, 696779523, 16503494334993, 3439079361325736400 ]
[ "nonn", "hard", "more" ]
A241252
[ 10, 12, 71, 446, 3404, 25190, 225191, 2057343, 20539926, 204332167, 2101549932, 21494785659, 224464995283, 2317825938537, 24259559536660, 251621814311194, 2633451197372065, 27369019127795260 ]
[ "nonn" ]
A039038
[ 0, 2, 3, 4, 6, 12, 14, 16, 17, 18, 20, 21, 23, 24, 25, 27, 28, 30, 31, 32, 34, 36, 42, 44, 45, 46, 48, 54, 68, 75, 82, 84, 86, 87, 88, 90, 96, 98, 100, 101, 102, 104, 110, 112, 114, 115, 116, 118, 119, 121, 122, 123, 125, 126, 128, 129, 130, 132, 134, 140, 142 ]
[ "nonn", "base", "easy" ]
A025896
[ 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 5, 5, 6, 6, 7, 6, 6, 7, 7, 8, 7, 7, 7, 7 ]
[ "nonn", "easy" ]
A254365
[ 15, 21, 35, 69, 155, 381, 995, 2709, 7595, 21741, 63155, 185349, 547835, 1627101, 4848515, 14479989, 43308875, 129664461, 388469075, 1164358629, 3490978715, 10468741821, 31397836835, 94176733269, 282496645355, 847422827181, 2542134263795, 7626134355909 ]
[ "nonn", "easy" ]
A244518
[ 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 2, 1, 2, 1, 2, 3, 3, 2, 4, 2, 6, 4, 5, 4, 7, 7, 8, 8, 10, 11, 18, 13, 19, 19, 22, 29, 32, 29, 37, 37, 53, 48, 60, 54, 68, 79, 84, 86, 104, 99, 133, 125, 149, 151, 183, 191, 219, 223, 259, 268, 335, 320, 377, 391, 448, 487, 547, 552, 640, 666, 781, 795, 908, 923, 1057, 1139, 1246, 1312, 1472, 1508, 1754 ]
[ "nonn" ]
A116196
[ 68, 12585135, 17104748, 34388975, 41634068, 1.1007884193882033e+21, 1.4157020777303995e+21, 1.6158649238642987e+21, 1.9932213284886513e+21, 3.064119854121477e+21, 3.5763004484357975e+21, 3.890538749986876e+21 ]
[ "nonn", "base" ]
A245699
[ 5, 4, 1, 0, 7, 5, 0, 8, 0, 0, 4, 6, 7, 4, 3, 5, 0, 4, 4, 6, 4, 6, 7, 3, 3, 6, 0, 0, 8, 3, 5, 2, 2, 6, 6, 7, 5, 5, 0, 2, 3, 1, 7, 7, 0, 7, 8, 2, 1, 8, 9, 0, 8, 4, 2, 9, 9, 5, 7, 1, 5, 9, 2, 0, 3, 2, 0, 5, 6, 6, 6, 8, 1, 8, 2, 3, 3, 8, 0, 6, 0, 1, 5, 5, 8, 8, 9, 6, 9, 1, 0, 7, 8, 5, 4, 2, 2, 0, 9, 3, 5, 6, 5, 2, 7, 8, 8, 4, 0, 3, 0, 4, 7, 4, 2, 3, 1, 8, 1, 4 ]
[ "nonn", "cons" ]
A035784
[ 1, 4418, 3256066, 962492226, 153103850498, 15248694346562, 1043758929078018, 52316368750163260, 2010885935139876900, 61394690471405340000, 1.5308428512011847e+21, 3.188356002171731e+22, 5.651149790858913e+23 ]
[ "nonn", "easy" ]
A153910
[ 1, 2, 1, 2, 5, 6, 10, 46, 45, 144, 630, 1282, 3589, 31208, 54740, 306488, 2365846, 8422342, 41318120, 642228152, 1995977194, 19736350274, 269164334206, 1690170177698, 14635326322042, 402751016861848, 2213195936856480 ]
[ "nonn" ]
A011417
[ 1, 2, 5, 4, 1, 9, 6, 7, 2, 2, 7, 3, 3, 2, 0, 4, 6, 5, 8, 6, 6, 1, 0, 4, 4, 2, 3, 2, 7, 2, 4, 0, 1, 3, 1, 3, 4, 0, 2, 2, 3, 0, 9, 1, 0, 8, 6, 7, 5, 3, 9, 8, 1, 1, 5, 3, 3, 7, 1, 8, 1, 2, 3, 1, 1, 6, 9, 6, 3, 8, 0, 7, 4, 3, 4, 4, 5, 3, 0, 1, 3, 8, 3, 2, 9, 6, 7, 4, 0, 6, 0, 9, 2, 9, 7, 4, 3, 6, 7 ]
[ "nonn", "cons" ]
A382186
[ 17, 41, 71, 131, 281, 331, 353, 397, 449, 487, 563, 953, 1279, 1289, 1409, 1627, 2621, 2999, 3533, 3631, 3697, 3989, 4057, 4133, 4523, 4603, 4733, 4919, 5273, 5591, 5641, 6211, 6247, 6269, 6299, 6469, 6803, 7753, 7879, 7937, 8353, 8543, 8971, 8999, 9041, 9181, 9413, 9479, 9787, 9887, 9941, 10487 ]
[ "nonn" ]
A198971
[ 4, 49, 499, 4999, 49999, 499999, 4999999, 49999999, 499999999, 4999999999, 49999999999, 499999999999, 4999999999999, 49999999999999, 499999999999999, 4999999999999999, 50000000000000000, 500000000000000000, 5000000000000000000, 50000000000000000000, 500000000000000000000 ]
[ "nonn", "easy" ]
A076954
[ 1, 2, 18, 2250, 5402250, 870037764750, 4199506113235182600, 1.7232197657603126e+27, 2.926641152528752e+37, 5.271327501024304e+49, 2.2176856087751974e+64 ]
[ "nonn" ]
A140559
[ 2, 5, 11, 17, 23, 29, 31, 41, 43, 47, 53, 59, 61, 71, 83, 89, 101, 107, 109, 113, 127, 131, 137, 149, 151, 167, 173, 179, 181, 191, 197, 211, 227, 233, 239, 241, 251, 257, 263, 269, 271, 281, 293, 307, 311, 317, 331, 337, 347, 353, 359, 373, 379, 383, 389, 401 ]
[ "nonn" ]
A181407
[ 3, 3, 2, 0, 0, 16, 96, 384, 1280, 3840, 10752, 28672, 73728, 184320, 450560, 1081344, 2555904, 5963776, 13762560, 31457280, 71303168, 160432128, 358612992, 796917760, 1761607680, 3875536896, 8489271296, 18522046464, 40265318400, 87241523200, 188441690112 ]
[ "nonn", "easy" ]
A013296
[ 0, 1, 6, 150, 7560, 642600, 82328400, 14799985200, 3550699152000, 1095489931536000, 422416533258720000, 199001229578030870000, 1.1244243420565228e+23, 7.504208430602616e+25 ]
[ "nonn" ]
A180021
[ 3, 1, 3, 0, 2, 1, 2, 2, 0, 3, 0, 2, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 2, 0, 2, 2, 1, 2, 0, 3, 1, 1, 2, 1, 1, 2, 2, 1, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 1, 2, 2, 1, 1, 2, 1, 2, 1, 1, 2, 2, 0, 3, 0, 3, 0, 2, 2, 1, 1, 2, 1, 2, 1, 2, 1, 1, 2, 2, 0, 3 ]
[ "nonn" ]
A370323
[ 1, 0, 0, 1, 6, 35, 217, 1568, 12848, 117738, 1194019, 13282346, 160856190, 2107154067, 29691159876, 447836111629, 7199765822643, 122909558878512, 2220556571338744, 42329227454294820, 849072524072460200, 17877662074795270000, 394248958294191000000 ]
[ "nonn" ]
A329631
[ 1, 2, 3, 1, 2, 4, 1, 3, 5, 6, 1, 4, 2, 3, 7, 8, 2, 4, 1, 5, 9, 1, 6, 10, 1, 2, 3, 11, 2, 5, 1, 7, 3, 4, 12, 1, 8, 2, 6, 13, 1, 2, 4, 14, 1, 9, 15, 2, 7, 16, 3, 5, 2, 8, 1, 10, 17, 18, 1, 11, 3, 6, 1, 2, 5, 19, 2, 9, 1, 3, 4, 20, 21, 1, 12, 4, 5, 1, 2, 6 ]
[ "nonn", "tabf" ]
A006078
[ 1, 1, 5, 12, 45, 143, 511, 1768, 6330, 22610, 81818, 297160, 1086813, 3991995, 14733435, 54587280, 203000094, 757398510, 2834519142, 10637507400, 40023665682, 150946230006, 570534682710, 2160865067312, 8199711750100 ]
[ "nonn", "easy", "nice" ]
A331185
[ -1, 0, 0, 2, 0, 4, 0, 5, 6, 5, 0, 10, 0, 7, 4, 14, 0, 15, 0, 15, 8, 5, 0, 22, 20, 7, 4, 21, 0, 27, 0, 21, 4, 3, -2, 34, 0, -3, -4, 35, 0, 35, 0, 31, 28, -1, 0, 46, 42, 31, -2, 29, 0, 43, -4, 43, -4, -9, 0, 58, 0, -9, 34, 62, -8, 49, 0, 37, -10, 51, 0, 69, 0, -9, 38, 35, -12, 55, 0, 77, 78, -15, 0, 79, -16, -17, -20, 59, 0, 83 ]
[ "sign", "look" ]
A197304
[ 5, 57, 344, 3181, 27709, 207538, 1711736, 14233577, 115744195, 943877937, 7722480242, 63119151256, 515801027829, 4215541002540, 34452043410657, 281566682942645, 2301175324848852, 18806797415174572, 153702262527792160 ]
[ "nonn" ]
A224210
[ 2, 11, 7, 17, 11, 3, 7, 97, 3, 89, 31, 113, 43, 7, 23, 23, 17, 67, 23, 109, 17, 277, 103, 283, 59, 101, 157, 127, 29, 79, 23, 223, 73, 269, 433, 137, 5, 659, 109, 401, 419, 7, 373, 131, 89, 269, 149, 61, 829, 881 ]
[ "nonn" ]
A364773
[ 1, 10, 10, 1100, 10110100, 10101000, 1010011101011000, 1.100101010101111e+31, 1.0111010011010101e+31, 1.010110010110101e+63, 1.0101011101011001e+63 ]
[ "nonn" ]
A366226
[ 1, 1, 6, 261, 56070, 56526498, 334429044030, 15777272891508020, 6.500948711591606e+21, 2.2416650201723924e+28, 6.329052441630704e+35, 1.461201879467067e+44, 2.7712109715974422e+53 ]
[ "nonn" ]
A002738
[ 3, 60, 630, 5040, 34650, 216216, 1261260, 7001280, 37413090, 193993800, 981608628, 4867480800, 23728968900, 114011377200, 540972351000, 2538963567360, 11802213457650, 54396360988200, 248812984520100, 1130341536324000, 5103492036502860, 22913637714910800 ]
[ "nonn", "easy" ]
A235191
[ 136, 512, 1880, 7072, 26040, 98080, 361688, 1364512, 5038200, 19038496, 70378904, 266376736, 985819704, 3737000224, 13845090392, 52561201696, 194934374904, 741091305760, 2751206637848, 10473426441760, 38917567088568 ]
[ "nonn" ]
A375949
[ 1, 4, 32, 368, 5520, 102064, 2242832, 57095728, 1652211600, 53559908784, 1922581295632, 75700072208688, 3243905700776080, 150289130386531520, 7485459789379536000, 398857142195959000000, 2.263965063758984e+22, 1.3637724781506068e+24 ]
[ "nonn" ]
A032965
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 19, 21, 23, 25, 27, 29, 30, 32, 34, 36, 38, 40, 42, 44, 45, 47, 49, 51, 53, 55, 57, 59, 60, 62, 64, 66, 68, 70, 72, 74, 75, 77, 79, 81, 83, 85, 87, 89, 90, 92, 94, 96, 98, 100, 102, 104 ]
[ "nonn", "base" ]
A134456
[ 83, 77, 84, 87, 84, 70, 83, 83, 77, 84, 87, 84, 70, 83, 83, 77, 84, 87, 84, 70, 83, 83, 77, 84, 87, 84, 70, 83, 83, 77, 84, 87, 84, 70, 83, 83, 77, 84, 87, 84, 70, 83, 83, 77, 84, 87, 84, 70, 83, 83, 77, 84, 87, 84, 70, 83, 83, 77, 84, 87, 84, 70, 83, 83, 77, 84, 87, 84, 70 ]
[ "nonn", "word", "less" ]
A337716
[ 1, 1, 2, 4, 8, 16, 35, 77, 179, 440, 1160, 3264, 9950, 33206, 121943, 494011, 2235399, 11391306, 65287199, 422908306, 3130775625, 26490210964, 255257056748, 2825013955541, 36147331371446, 531237157370531, 8965348473026888 ]
[ "nonn" ]
A272200
[ 13, 19, 43, 61, 97, 103, 109, 127, 157, 163, 181, 193, 241, 277, 283, 331, 349, 373, 379, 409, 433, 463, 487, 499, 523, 601, 607, 619, 631, 661, 673, 691, 727, 733, 757, 769, 787, 811, 859, 883, 937, 967, 991 ]
[ "nonn", "easy" ]
A347106
[ 1, 0, 0, 2, 9, 24, 160, 1350, 10353, 89936, 910656, 10070730, 120546745, 1566125352, 21934589664, 329037515534, 5264316535905, 89493067364640, 1610885172539008, 30606819613112464, 612136012448309500, 12854856587833586000, 282806860558105280000 ]
[ "nonn" ]
A280790
[ 1, 4, 2320, 9857600, 159122080000, 7098806416000000, 686863244097538600000, 1.435793122117405e+26, 2.7634174819420517e+31, 1.0363512110783314e+38, -6.2432269479439384e+44, 9.870191061692402e+51, -2.5878604675301822e+59, 1.124818890109333e+67 ]
[ "sign" ]
A298052
[ 3, 23, 23, 73, 121, 231, 422, 865, 1729, 3286, 6319, 12563, 24164, 46151, 91180, 179529, 348543, 679612, 1324925, 2580453, 5044253, 9857924, 19226398, 37521143, 73217267, 142924098, 278999274, 544730946, 1063235208, 2075512334, 4051405413 ]
[ "nonn" ]
A258629
[ 6, 36, 179, 830, 4021, 20462, 105719, 546640, 2789557, 14124297, 72747664, 384855118, 2060047003, 10964114671, 57622430383, 299660342435, 1554362454308, 8134330914022, 43385023307315, 236387936969270, 1304057368544653 ]
[ "nonn" ]
A019935
[ 7, 5, 3, 5, 5, 4, 0, 5, 0, 1, 0, 2, 7, 9, 4, 1, 5, 7, 0, 7, 3, 9, 5, 6, 4, 4, 8, 6, 2, 1, 5, 9, 2, 5, 9, 5, 0, 6, 1, 3, 4, 7, 0, 7, 5, 0, 9, 5, 9, 1, 9, 7, 0, 2, 7, 6, 4, 9, 7, 6, 7, 1, 0, 4, 3, 1, 7, 2, 8, 6, 0, 9, 2, 5, 1, 6, 4, 6, 4, 9, 9, 9, 2, 0, 7, 8, 9, 3, 8, 9, 1, 7, 5, 9, 0, 4, 6, 3, 2 ]
[ "nonn", "cons" ]
A109414
[ 1, 4, 11, 26, 54, 90, 151, 232, 326, 456, 612, 811, 1030, 1304, 1607, 1953, 2383, 2812, 3329, 3893, 4515, 5226, 5983, 6809, 7703, 8718, 9762, 10891, 12160, 13475, 14868, 16380, 17986, 19699, 21524, 23415, 25482, 27658, 29923, 32288, 34814, 37452 ]
[ "nonn" ]
A028180
[ 1, 29, 530, 7810, 101451, 1213359, 13695340, 148146020, 1551618101, 15847349089, 158652680550, 1562885008230, 15193886293951, 146104406183219, 1392173613916160, 13163974362722440, 123666997751585010 ]
[ "nonn", "easy" ]
A139552
[ 1, 1, 1, 1, 1, 1, 2, 2, 2, 6, 6, 6, 12, 12, 12, 60, 60, 60, 60, 60, 60, 420, 420, 420, 840, 840, 840, 2520, 2520, 2520, 2520, 2520, 2520, 27720, 27720, 27720, 27720, 27720, 27720, 360360, 360360, 360360, 360360, 360360, 360360, 360360, 360360, 360360, 720720 ]
[ "nonn" ]
A315353
[ 1, 6, 10, 17, 21, 29, 33, 39, 47, 51, 59, 62, 70, 72, 78, 86, 89, 97, 101, 109, 111, 119, 127, 131, 138, 142, 148, 150, 158, 165, 169, 177, 181, 187, 191, 199, 207, 210, 218, 220, 226, 230, 237, 245, 249, 257, 259, 267, 271, 279 ]
[ "nonn" ]
A224512
[ 1, 4, 12, 4, 12, 36, 12, 4, 12, 36, 108, 36, 12, 36, 12, 4, 12, 36, 108, 36, 108, 324, 108, 36, 12, 36, 108, 36, 12, 36, 12, 4, 12, 36, 108, 36, 108, 324, 108, 36, 108, 324, 972, 324, 108, 324, 108, 36, 12, 36, 108, 36, 108, 324, 108, 36, 12, 36, 108 ]
[ "nonn" ]
A350746
[ 2, 3, 4, 16, 18, 8, 133, 155, 72, 16, 1521, 1810, 910, 240, 32, 22184, 26797, 14145, 4180, 720, 64, 393681, 480879, 262514, 83230, 16520, 2016, 128, 8233803, 10144283, 5675866, 1888873, 409360, 58912, 5376, 256 ]
[ "nonn", "tabl" ]
A158291
[ 1, 2, 3, 6, 10, 20, 37, 74, 140, 280, 542, 1084, 2118, 4236, 8337, 16674 ]
[ "nonn", "more" ]
A220384
[ 21, 966, 33247, 1191846, 42415575, 1509240923, 53692543412, 1910141303899, 67952729355483, 2417392485157080, 85997620546017890, 3059323896869473300, 108833942883495400000, 3.8717136312943085e+21 ]
[ "nonn" ]
A118288
[ 7, 0, 2, 5, 8 ]
[ "nonn", "cons", "hard", "more", "nice" ]
A124734
[ 1, 2, 1, 1, 3, 1, 2, 2, 1, 1, 1, 1, 4, 1, 3, 2, 2, 3, 1, 1, 1, 2, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 5, 1, 4, 2, 3, 3, 2, 4, 1, 1, 1, 3, 1, 2, 2, 1, 3, 1, 2, 1, 2, 2, 2, 1, 3, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 6, 1, 5, 2, 4, 3, 3, 4, 2, 5, 1, 1, 1, 4, 1, 2, 3, 1, 3, 2, 1, 4, 1, 2, 1 ]
[ "easy", "nonn", "tabf" ]
A083658
[ 1, 1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 2187, 3645, 6561, 10935, 19683, 32805, 59049, 98415, 177147, 295245, 531441, 885735, 1594323, 2657205, 4782969, 7971615, 14348907, 23914845, 43046721, 71744535, 129140163, 215233605, 387420489 ]
[ "nonn", "easy" ]
A058888
[ 4, 4, 2, 0, 2, 0, 0, 0, 2, 2, 0, 0, 2, 0, 0, 2, 0, 0, 0, 0, 0, 0, 2, 2, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 2, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 2, 2, 0, 2, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0 ]
[ "nonn" ]
A113421
[ 1, -2, -1, 4, -4, 2, 6, -8, 1, 8, -12, -4, 14, -12, 4, 16, -16, -2, 18, -16, -6, 24, -24, 8, 21, -28, -1, 24, -28, -8, 30, -32, 12, 32, -24, 4, 38, -36, -14, 32, -40, 12, 42, -48, -4, 48, -48, -16, 43, -42, 16, 56, -52, 2, 48, -48, -18, 56, -60, 16, 62, -60, 6, 64, -56, -24, 66, -64, 24, 48, -72, -8, 74, -76, -21, 72 ]
[ "sign", "mult" ]
A120090
[ 12, 30, 56, 90, 132, 154, 182, 208, 234, 240, 306, 340, 374, 380, 408, 418, 456, 462, 494, 546, 552, 598, 644, 650, 690, 700, 736, 756, 800, 850, 864, 870, 918, 928, 986, 992, 1026, 1044, 1054, 1102, 1116, 1122, 1160, 1178, 1240, 1254, 1260, 1302, 1320 ]
[ "nonn" ]
A069470
[ 0, 1, 2, 4, 5, 6, 9, 10, 11, 13, 15, 16, 19, 20, 21, 24, 25, 26, 29, 30, 32, 35, 36, 37, 40, 41, 42, 44, 46, 47, 52, 53, 54, 56, 57, 58, 62, 63, 64, 66, 68, 69, 73, 74, 75, 79, 80, 81, 84, 85, 87, 89, 90, 91, 94, 96, 98, 100, 101, 102, 107, 108, 109, 112, 113, 114, 118 ]
[ "nonn" ]
A150572
[ 1, 2, 7, 26, 108, 458, 2015, 8998, 40910, 188085, 873480, 4088071, 19255234, 91196085, 433874641, 2072559697, 9933966308, 47758780547, 230210936267, 1112282324334, 5385308964710, 26122515827044, 126926138028504, 617653999381583, 3009809173404863, 14685120503719718, 71732272498183990 ]
[ "nonn", "walk" ]
A004387
[ 1, 56, 2016, 59640, 1581580, 39175752, 927048304, 21243342120, 475491062970, 10456592670160, 226846154180800, 4868956823342976, 103619293824707400, 2190038132512694800, 46026828991565690000, 962811747862713700000, 2.006211823517248e+22, 4.1666277131675145e+23 ]
[ "nonn", "easy" ]
A177237
[ 0, 0, 0, 0, 1, 2, 4, 7, 10, 14, 19, 25, 33, 42, 52, 64, 77, 92, 109, 128, 149, 172, 197, 225, 255, 288, 324, 362, 403, 447, 494, 545, 599, 656, 717, 781, 849, 921, 997, 1077, 1161, 1249, 1342, 1439, 1541, 1648, 1759, 1875, 1996, 2122, 2254 ]
[ "nonn", "easy" ]
A139167
[ 1, 1, 1, 4, 1, 1, 18, 11, 0, 1, 120, 50, 23, -2, 1, 960, 494, 65, 45, -5, 1, 9360, 4344, 1354, -15, 85, -9, 1, 105840, 51876, 10444, 3409, -350, 154, -14, 1, 1370880, 653232, 172444, 13300, 8729, -1232, 266, -20, 1, 19958400, 9654480, 2194380, 483272, -13923, 22449, -3150, 438, -27, 1 ]
[ "tabl", "sign" ]
A211613
[ 0, 1, 20, 78, 199, 407, 726, 1180, 1793, 2589, 3592, 4826, 6315, 8083, 10154, 12552, 15301, 18425, 21948, 25894, 30287, 35151, 40510, 46388, 52809, 59797, 67376, 75570, 84403, 93899, 104082, 114976, 126605, 138993, 152164, 166142, 180951, 196615, 213158 ]
[ "nonn", "easy" ]
A056373
[ 4, 16, 40, 160, 280, 2176, 2800, 17920, 44224, 263296, 419872, 4280320, 5594000, 44751616, 134391040, 539054080, 1073758360, 11453771776, 15271054960, 137575813120, 366528038400, 1759220283904, 3198580043440, 35193817661440, 56294998751872 ]
[ "nonn" ]
A303648
[ 1, 1, 2, 3, 1, 4, 6, 5, 18, 3, 6, 44, 26, 7, 91, 123, 11, 8, 172, 448, 136, 9, 300, 1348, 912, 51, 10, 496, 3600, 4552, 838, 11, 781, 8704, 18476, 7441, 283, 12, 1186, 19584, 65324, 48116, 5930, 13, 1742, 41379, 206556, 250375, 66606, 1833, 14, 2492, 83210, 600456, 1120042, 536908, 47358 ]
[ "nonn", "tabf" ]
A238537
[ 1, 42, 1379, 47124, 1599205, 54335358, 1845747527, 62701403688, 2130000094537, 72357312787410, 2458018570699691, 83500274463891520, 2836551311028253000, 96359244313163970000, 3.273377755262717e+21, 1.1119848443504952e+23, 3.777475093033913e+24 ]
[ "nonn", "easy" ]
A096185
[ 3, 4, 8, 9, 16, 25, 33, 40, 116, 201, 208, 504, 579, 964, 1060, 1160, 1508, 1969, 4615, 7311, 65964, 83121, 87396 ]
[ "nonn", "more" ]
A201314
[ 19, 47, 83, 127, 179, 239, 307, 383, 467, 659, 883, 1279, 1427, 1583, 1747, 2099, 2287, 2687, 3119, 3347, 3583, 4079, 4339, 5167, 6067, 7039, 7727, 8447, 8819, 9199, 9587, 10799, 12527, 12979, 13907, 14867, 15359, 15859, 16883, 17939, 19583 ]
[ "nonn", "easy" ]
A372213
[ 1, 0, 0, 9, 16, 0, 171, 539, 528, 3654, 16500, 29282, 101851, 483340, 1215445, 3416634, 14564880, 44585475, 124007202, 462804166, 1555048516, 4547401595, 15500748802, 53459717443, 164998563675, 538593687500, 1845162146828, 5920282930815, 19091999953749, 64389113743812, 211137579083046 ]
[ "nonn", "easy" ]
A244651
[ 1, 14, 135, 1148, 9325, 74634, 596083, 4775288, 38447961, 311305350, 2534757855, 20749571316, 170705908421, 1410874891522, 11710273480395, 97573698950384, 815919118022833, 6845174820882174, 57601263531202870, 486057767175907200, 4112073577799441400, 34871360280503320000 ]
[ "nonn" ]
A209818
[ 1, 4, 12, 34, 84, 199, 436, 919, 1845, 3590, 6751, 12384, 22142, 38797, 66634, 112540, 187013, 306421, 495332, 791131, 1249153, 1951915, 3019969, 4630063, 7037286, 10610240, 15874998, 23582081, 34791668, 50999319, 74297620, 107608848, 154986104, 222037997 ]
[ "nonn" ]
A076427
[ 1, 1, 2, 3, 2, 0, 5, 3, 4, 1, 4, 2, 3, 0, 3, 3, 7, 3, 5, 2, 2, 2, 4, 5, 2, 3, 3, 7, 1, 1, 2, 4, 2, 0, 3, 2, 3, 1, 4, 4, 3, 0, 1, 3, 4, 1, 6, 4, 3, 0, 2, 1, 2, 2, 3, 4, 3, 0, 1, 4, 2, 0, 4, 4, 4, 0, 2, 5, 2, 0, 4, 4, 6, 2, 3, 3, 2, 0, 4, 4, 4, 0, 2, 2, 2, 0, 3, 3, 6, 0, 3, 4, 4, 2, 4, 5, 3, 2, 4, 10 ]
[ "hard", "nonn" ]
A137047
[ 1, 4, 8, 41, 81, 816, 6441, 6454, 11881, 64466, 64546, 641441, 644581, 684581, 6454581, 8114466, 11881141, 64541141, 64661881, 66448884, 68444641, 81556184, 644658684, 644861881, 644868641, 646618641, 664414454, 664564184, 681585546, 811488858, 815141488, 6414448884, 6445668816, 6448618546, 6644141541, 64465581141, 64548885884 ]
[ "base", "nonn" ]