id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A278647
[ 5, 3, 2, 2, 3, 5, 1, 3, 1, 4, 1, 2, 2, 1, 1, 4, 5, 1, 1, 1, 2, 3, 2, 1, 4, 3, 2, 3, 1, 1, 3, 2, 2, 3, 2, 2, 1, 1, 4, 2, 3, 1, 1, 2, 1, 1, 3, 1, 1, 2, 2, 1, 1, 2, 1, 2, 1, 2, 5, 5, 1, 1, 3, 3, 2, 1, 2, 1, 1, 3, 2, 1, 1, 2, 1, 4, 1, 4, 1, 3, 1, 1, 3, 2, 1, 1, 1, 2, 2, 3, 3, 1, 1, 2, 3, 2, 1, 1, 1, 3 ]
[ "nonn" ]
A385286
[ 1, 8, 120, 2528, 66424, 2039808, 70283424, 2643158400, 106391894904, 4518833256512, 200396211454720, 9205443151733760, 435368682010660000, 21100379936684417000, 1.0441151872944447e+21, 5.259745183466844e+22, 2.6910378067330526e+24, 1.3956707468266579e+26 ]
[ "nonn", "walk" ]
A035312
[ 1, 2, 3, 4, 6, 9, 7, 11, 17, 26, 5, 12, 23, 40, 66, 8, 13, 25, 48, 88, 154, 10, 18, 31, 56, 104, 192, 346, 14, 24, 42, 73, 129, 233, 425, 771, 15, 29, 53, 95, 168, 297, 530, 955, 1726, 19, 34, 63, 116, 211, 379, 676, 1206, 2161, 3887, 16, 35, 69, 132, 248, 459, 838 ]
[ "nonn", "tabl", "easy", "nice" ]
A221905
[ 1, 6, 15, 36, 93, 258, 747, 2208, 6585, 19710, 59079, 177180, 531477, 1594362, 4783011, 14348952, 43046769, 129140214, 387420543, 1162261524, 3486784461, 10460353266, 31381059675, 94143178896, 282429536553, 847288609518, 2541865828407, 7625597485068, 22876792455045 ]
[ "nonn", "easy" ]
A020701
[ 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, 2584, 4181, 6765, 10946, 17711, 28657, 46368, 75025, 121393, 196418, 317811, 514229, 832040, 1346269, 2178309, 3524578, 5702887, 9227465, 14930352, 24157817, 39088169, 63245986, 102334155, 165580141 ]
[ "nonn", "easy" ]
A110795
[ 1, 2, 6, 600, 600, 25200, 25200, 483840, 698867688960, 6988676889600, 293599799539200, 489718781798400, 48196817186918400, 4091568555865190400, 84446094349064450000, 2.3080549676945082e+21, 4.0706513845483155e+24, 4.6671804001710045e+25, 4.6671804001710045e+25 ]
[ "base", "nonn" ]
A377229
[ 2, 3, 4, 9, 44, 1486, 1357976, 1855074754595, 2.975714380792665e+24, 4.652834883600478e+49 ]
[ "nonn" ]
A034467
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 3, 9, 17, 38, 66, 133, 230, 425, 724, 1275, 2138, 3659, 6052, 10132, 16613, 27413, 44625, 72993, 118392, 192814, 312805, 509922, 831670, 1366442, 2257782, 3774641, 6388609 ]
[ "nonn" ]
A246857
[ 2, 3, 5, 11, 23, 29, 41, 53, 83, 89, 113, 131, 173, 179, 191, 233, 239, 251, 281, 293, 329, 359, 413, 419, 431, 443, 491, 509, 593, 623, 641, 653, 659, 683, 719, 743, 761, 809, 869, 911, 953, 979, 1013, 1019, 1031, 1049, 1103, 1223, 1229, 1289, 1409, 1439, 1451 ]
[ "nonn" ]
A107854
[ 0, 1, 1, 2, 3, 3, 5, 8, 11, 19, 29, 42, 67, 99, 149, 232, 347, 531, 813, 1226, 1875, 2851, 4325, 6600, 10027, 15251, 23229, 35306, 53731, 81763, 124341, 189224, 287867, 437907, 666317, 1013642, 1542131, 2346275, 3569413, 5430536, 8261963, 12569363 ]
[ "easy", "nonn" ]
A056544
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 101, 11, 121, 131, 141, 151, 161, 171, 181, 191, 202, 121, 22, 232, 242, 252, 262, 272, 282, 292, 303, 131, 232, 33, 343, 353, 363, 373, 383, 393, 404, 141, 242, 343, 44, 454, 464, 474, 484, 494, 505, 151, 252, 353, 454, 55, 565, 575 ]
[ "base", "easy", "nonn" ]
A046088
[ 1, 16, 206, 2371, 25761, 272376, 2848716, 29701906, 309654696, 3230358586, 33718475076, 352065356916, 3676515354356, 38394136371396, 400952138922036, 4187122750092776, 43725550173817620, 456617901788403100 ]
[ "easy", "nonn" ]
A298173
[ 1, 4, 16, 50, 155, 468, 1410, 4234, 12709, 38132, 114404, 343218, 1029663, 3088997, 9267001, 27801012, 83403047, 250209151, 750627465, 2251882406, 6755647231, 20266941705, 60800825129, 182402475400, 547207426215, 1641622278659, 4924866835993, 14774600507994 ]
[ "nonn", "easy" ]
A347666
[ 1, 2, 8, 40, 239, 1648, 12778, 109476, 1023520, 10341878, 112067820, 1294254184, 15847382977, 204827368606, 2784056034014, 39665514607872, 590684848605779, 9170941154737032, 148120725648168260, 2483657480026985500, 43157660169344700000, 775898068395820800000 ]
[ "nonn" ]
A260158
[ 1, 3, 4, 6, 7, 6, 10, 12, 13, 15, 14, 18, 18, 21, 22, 18, 25, 27, 28, 24, 26, 33, 34, 42, 37, 30, 36, 42, 43, 45, 38, 48, 49, 42, 54, 42, 56, 57, 58, 60, 43, 63, 64, 66, 67, 63, 70, 60, 73, 84, 62, 78, 79, 72, 72, 66, 90, 87, 88, 90, 74, 78, 98, 96, 97, 78 ]
[ "nonn" ]
A156518
[ 2, 12, 326, 16298, 5919644, 9055603332, 108964188487952, 6758216414353306000 ]
[ "nonn" ]
A233358
[ 2, 6, 30, 32, 38, 48, 50, 72, 90, 92, 98, 102, 110, 126, 128, 150, 182, 188, 212, 218, 230, 242, 258, 300, 318, 348, 398, 420, 440, 450, 462, 498, 516, 518, 530, 542, 572, 582, 636, 660, 662, 678, 702, 716, 726, 728, 746, 786, 798, 830, 848, 872, 878, 890, 908 ]
[ "nonn", "base", "less" ]
A326501
[ 1, 0, 4, -23, 233, -2892, 43764, -779779, 15997437, -371423052, 9628576948, -275683093663, 8640417354593, -294234689237660, 10817772136320356, -427076118244539000, 18019667955465013000, -809220593930871800000, 3.8537187481365665e+22 ]
[ "sign", "easy" ]
A136096
[ 2, 3, 2, 5, 2, 7, 1, 3, 1, 11, 2, 13, 1, 0, 2, 17, 1, 19, 1, 1, 1, 23, 3, 0, 1, 1, 0, 29, 1, 31, 0, 1, 1, 0, 0, 37, 1, 1, 1, 41, 1, 43, 1, 1, 1, 47, 1, 0, 1, 1, 1, 53, 1, 0, 1, 1, 1, 59, 1, 61, 1, 0, 1, 1, 1, 67, 1, 1, 1, 71, 2, 73, 1, 1, 1, 0, 1, 79, 1, 3, 1, 83, 1, 1, 1, 1, 1, 89, 1, 1, 1, 1, 1, 1, 1, 97 ]
[ "nonn" ]
A238262
[ 2, 4, 2, 5, 2, 1, 9, 1, 2, 8, 1, 5, 2, 3, 5, 9, 8, 5, 9, 4, 9, 3, 2, 1, 0, 8, 0, 3, 8, 6, 3, 9, 2, 0, 2, 9, 5, 1, 3, 8, 3, 2, 8, 7, 2, 3, 5, 3, 2, 7, 6, 1, 2, 1, 1, 5, 4, 1, 0, 1, 7, 8, 0, 6, 6, 8, 7, 0, 5, 1, 9, 4, 8, 3, 8, 5, 5, 0, 9, 5, 1, 1, 5, 9, 2, 0, 4, 4, 5, 3, 9, 3, 9, 9, 8, 0, 6, 5, 5, 0, 4, 2, 0, 4 ]
[ "nonn", "cons" ]
A293464
[ 1, -1, 7, -17, 63, -161, 543, -1377, 4255, -11105, 31903, -82785, 232607, -594785, 1617055, -4150113, 10988703, -27939681, 72985759, -183915361, 473541791, -1187402593, 3015290015, -7512413025, 18911702175, -46787875681, 116689317023, -287306044257 ]
[ "sign" ]
A075105
[ 2, 3, 2, 5, 3, 7, 8, 3, 10, 11, 4, 13, 14, 5, 4, 17, 9, 19, 5, 21, 11, 23, 6, 25, 13, 27, 7, 29, 15, 31, 32, 33, 34, 7, 36, 37, 38, 39, 8, 41, 42, 43, 44, 9, 46, 47, 48, 49, 10, 51, 52, 53, 54, 11, 56, 57, 58, 59, 12, 61, 62, 63, 32, 65, 11, 67, 34, 23, 35, 71, 12, 73, 37, 25, 38 ]
[ "nonn", "frac" ]
A051688
[ 1, 12, 204, 4488, 121176, 3877632, 143472384, 6025840128, 283214486016, 14727153272832, 839447736551424, 52045759666188290, 3487065897634615300, 251068744629692300000, 1.9332293336486306e+22 ]
[ "easy", "nonn" ]
A362987
[ 10, 11, 12, 21, 23, 13, 20, 32, 24, 14, 34, 25, 31, 22, 30, 35, 42, 15, 43, 26, 36, 37, 46, 16, 41, 45, 53, 57, 47, 33, 52, 27, 40, 64, 54, 38, 48, 58, 68, 17, 63, 28, 69, 18, 51, 39, 56, 60, 59, 65, 62, 49, 50, 74, 61, 29, 73, 70, 85, 96, 72, 75, 79, 81, 84, 44, 71, 95, 83, 105, 104, 19 ]
[ "base", "nonn" ]
A213576
[ 1, 3, 1, 7, 4, 2, 14, 10, 7, 3, 26, 21, 17, 11, 5, 46, 40, 35, 27, 18, 8, 79, 72, 66, 56, 44, 29, 13, 133, 125, 118, 106, 91, 71, 47, 21, 221, 212, 204, 190, 172, 147, 115, 76, 34, 364, 354, 345, 329, 308, 278, 238, 186, 123, 55, 596, 585, 575, 557, 533, 498, 450, 385, 301, 199, 89 ]
[ "nonn", "tabl", "easy" ]
A293239
[ 1, 2, 4, 7, 11, 15, 21, 28, 35, 43, 53, 64, 76, 88, 102, 117, 133, 149, 167, 186, 206, 226, 248, 271, 295, 319, 345, 372, 400, 428, 458, 489, 521, 553, 587, 622, 658, 694, 732, 771, 811, 851, 893, 936, 980, 1024, 1070, 1117, 1165, 1213, 1263, 1314, 1366, 1418 ]
[ "nonn" ]
A225502
[ 2, 1, 2, 2, 3, 3, 12, 4, 9, 5, 5, 30, 6, 6, 20, 14, 230, 23, 24, 8, 8, 35, 36, 9, 29, 90, 30, 434, 10, 159, 22, 11, 140, 530, 854, 147, 12, 25, 77, 39, 1938509, 13, 41, 69, 182, 70, 14, 104, 105, 60, 30, 15, 15, 47, 240, 65274, 6314, 16, 17009, 33, 50, 68, 17, 264, 371 ]
[ "nonn" ]
A012866
[ 0, 1, 2, 6, 23, 93, 379, 1546, 6307, 25730, 104968, 428227, 1746993, 7127025, 29075380, 118615793, 483904470, 1974134558, 8053670703, 32855719753, 134038050511, 546821044246, 2230808738939, 9100797568222, 37127573929600, 151465488114051, 617917942420077 ]
[ "nonn", "easy" ]
A277878
[ 3, 7, 11, 19, 23, 31, 53, 43, 83, 59, 71, 79, 83, 137, 103, 173, 179, 131, 139, 359, 233, 163, 263, 191, 199, 509, 211, 1187, 223, 251, 389, 271, 2621, 443, 449, 311, 809, 331, 859, 4093, 359, 379, 383, 587, 593, 419, 443, 677, 683, 463, 2617, 479, 499, 1279 ]
[ "nonn" ]
A104848
[ 2718281, 6028747, 2497757, 5354759, 4759457, 7594571, 5945713, 7138217, 3059921, 9921817, 6059563, 6307381, 3073813, 9525101, 5251019, 4089149, 8914993, 9348841, 4167509, 7774499, 8606261, 2613313, 5830007, 1274437 ]
[ "nonn", "base" ]
A006391
[ 1, 1, 2, 5, 14, 45, 191, 871, 4682, 27336, 172706, 1150322, 7989004 ]
[ "nonn" ]
A341150
[ 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 1 ]
[ "nonn", "tabl" ]
A071347
[ 1, 3, 9, 15, 18, 30, 42, 54, 78, 90, 114, 126, 150, 186, 210, 210, 270, 270, 330, 390, 390, 450, 510, 570, 594, 630, 630, 750, 810, 882, 930, 990, 1050, 1050, 1170, 1170, 1350, 1386, 1470, 1530, 1650, 1710, 1710, 1890, 1890, 1890, 1890, 2250, 2310 ]
[ "easy", "nonn" ]
A169715
[ 1, 6, 66, 996, 18306, 384156, 8848236, 218040696, 5651108226, 152254667436, 4229523740916, 120430899525096, 3499628148747756, 103446306284890530, 3102500089343887000, 94219208840385970000, 2.892652835496484e+21, 8.966225308645891e+22 ]
[ "nonn" ]
A062377
[ 275, 341, 451, 550, 671, 682, 775, 781, 902, 1111, 1271, 1342, 1375, 1441, 1550, 1562, 1661, 1775, 1991, 2101, 2201, 2222, 2321, 2542, 2651, 2750, 2761, 2882, 2911, 2981, 3025, 3091, 3131, 3275, 3322, 3421, 3550, 3641, 3751, 3775, 3875, 3982, 4061 ]
[ "easy", "nonn" ]
A201105
[ 8, 28, 28, 90, 140, 90, 213, 334, 334, 213, 398, 103, 2052, 103, 398, 536, 14881, 235661, 235661, 14881, 536, 496, 246332, 659775, 267814, 659775, 246332, 496, 212, 838638, 44795285, 751183732, 751183732, 44795285, 838638, 212, 3748, 324469, 1777011587 ]
[ "nonn", "tabl" ]
A241336
[ 0, 1, 2, 3, 4, 5, 7, 9, 12, 16, 22, 28, 39, 49, 66, 87, 112, 141, 190, 234, 307, 384, 482, 609, 783, 937, 1187, 1482, 1829, 2224, 2794, 3332, 4145, 5013, 6080, 7438, 9052, 10587, 12971, 15739, 18852, 22162, 26886, 31645, 38189, 45143, 52984, 63329, 75824 ]
[ "nonn", "easy" ]
A007024
[ 0, 0, 0, 0, 1, 0, 2, 2, 9, 17, 77, 261, 1265, 5852, 29916, 153507, 810351 ]
[ "nonn" ]
A023695
[ 40, 94, 112, 118, 120, 122, 124, 130, 148, 202, 256, 274, 280, 282, 284, 286, 292, 310, 328, 334, 336, 338, 340, 346, 352, 354, 356, 358, 360, 362, 366, 368, 370, 372, 374, 376, 382, 388, 390, 392, 394, 400, 418, 436, 442 ]
[ "nonn", "base", "easy" ]
A295097
[ 1, 2, 2, 3, 5, 3, 4, 11, 11, 4, 6, 24, 33, 24, 6, 9, 55, 114, 114, 55, 9, 13, 123, 377, 578, 377, 123, 13, 19, 276, 1249, 2859, 2859, 1249, 276, 19, 28, 621, 4151, 14187, 21185, 14187, 4151, 621, 28, 41, 1395, 13765, 70982, 158361, 158361, 70982, 13765, 1395, 41, 60 ]
[ "nonn", "tabl" ]
A323124
[ 0, 0, 2, 3, 12, 23, 61, 135, 306, 679, 1496, 3245, 7013, 15045, 32108, 68201, 144297, 304227, 639461, 1340353, 2802566, 5846953, 12173864, 25300472, 52492698, 108742226, 224946169, 464714125, 958872587, 1976242406, 4068708686, 8368344952, 17195541858 ]
[ "nonn" ]
A208678
[ 1, 3, 8, 29, 157, 1144, 10187, 105600, 1241794, 16287457, 235308853, 3708090433, 63234233743, 1159318599835, 22725352050303, 474059968069223, 10481049913889360, 244727123398669060, 6015958354315188000, 155261610128701750000, 4.196413541685139e+21 ]
[ "nonn" ]
A153420
[ 5, 8, 0, 4, 8, 2, 0, 2, 3, 7, 2, 1, 8, 4, 0, 5, 8, 6, 9, 6, 7, 5, 7, 9, 8, 5, 7, 3, 7, 2, 3, 4, 7, 5, 4, 3, 9, 6, 6, 2, 0, 7, 8, 4, 8, 2, 5, 6, 1, 4, 5, 1, 5, 3, 0, 1, 3, 6, 8, 9, 0, 9, 8, 9, 5, 3, 9, 8, 3, 6, 9, 4, 1, 5, 2, 1, 5, 6, 3, 0, 3, 9, 6, 2, 5, 3, 4, 9, 3, 5, 8, 3, 9, 8, 4, 2, 5, 3, 8 ]
[ "nonn", "cons" ]
A149270
[ 1, 1, 4, 11, 41, 148, 581, 2298, 9414, 39020, 164742, 702845, 3031984, 13191615, 57837324, 255216761, 1132838932, 5053711738, 22647339728, 101905858689, 460213087530, 2085199217472, 9476513961459, 43185037964172, 197289709201004, 903402441704377, 4145508982924713, 19060139964446840 ]
[ "nonn", "walk" ]
A267425
[ 1, 1, 1, 1, 3, 2, 1, 10, 2, 6, 1, 35, 2, 1, 24, 1, 126, 2, 1, 1, 120, 1, 462, 2, 1, 1, 1, 720, 1, 1716, 5, 1, 1, 1, 1, 5040, 1, 6435, 14, 1, 1, 1, 1, 1, 40320, 1, 24310, 44, 1, 1, 1, 1, 1, 1, 362880, 1, 92378, 127, 5, 1, 1, 1, 1, 1, 1, 3628800, 1, 352716, 325, 27, 1, 1, 1, 1, 1, 1, 1 ]
[ "nonn", "tabl" ]
A270683
[ 1, 6, 18, 42, 74, 126, 186, 274, 370, 502, 642, 826, 1018, 1262, 1514, 1826, 2146, 2534, 2930, 3402, 3882, 4446, 5018, 5682, 6354, 7126, 7906, 8794, 9690, 10702, 11722, 12866, 14018, 15302, 16594, 18026, 19466, 21054, 22650, 24402, 26162, 28086, 30018, 32122 ]
[ "nonn", "easy" ]
A372513
[ 0, 1, 2, 16, 264, 7296, 302720, 17587200, 1362399360, 135693537280, 16893684928512, 2570631845806080, 469393033744588800, 101294080603625230000, 2.550223739203263e+22, 7.408331513180812e+24, 2.4595433375770817e+27, 9.254356226560594e+29 ]
[ "nonn" ]
A320884
[ 45, 96, 120, 225, 288, 540, 640, 1080, 1200, 1920, 2160, 3888, 4000, 4500, 4608, 5760, 6480, 7200, 8640, 9600, 10935, 16875, 18225, 25000, 25600, 27000, 28800, 30720, 31104, 38400, 46080, 48600, 69984, 75000, 81000, 91125, 97200, 102400, 112500, 115200, 164025, 184320 ]
[ "nonn", "fini" ]
A240284
[ 1, 2, 2, 2, 8, 3, 4, 19, 19, 4, 4, 76, 80, 38, 7, 8, 181, 570, 262, 114, 10, 8, 741, 2574, 3457, 1461, 251, 15, 16, 1779, 20764, 28654, 33183, 5443, 612, 24, 16, 7308, 97348, 443168, 484146, 218658, 24490, 1656, 35, 32, 17561, 802835, 3980245, 13490093, 5646644 ]
[ "nonn", "tabl" ]
A177875
[ 2, 5, 19, 1172, 18742, 74967, 307062002, 329705313529178430, 8.850459618282798e+25, 2.320094886175126e+31, 2.4327958153659688e+37 ]
[ "nonn", "base" ]
A304050
[ 1, 6, 18, 30, 36, 48, 72, 78, 78, 96, 120, 138, 126, 132, 174, 180, 168, 186, 222, 240, 216, 222, 288, 282, 246, 276, 324, 348, 306, 306, 384, 384, 342, 366, 426, 450, 396, 396, 498, 486, 420, 456, 528, 570, 486, 468, 594, 588, 516, 546, 630, 660, 576, 570 ]
[ "nonn" ]
A353571
[ 0, 1, 1, 2, 1, 8, 1, 3, 2, 10, 1, 13, 1, 14, 12, 4, 1, 11, 1, 17, 16, 16, 1, 18, 2, 20, 3, 25, 1, 71, 1, 5, 18, 22, 18, 16, 1, 26, 22, 24, 1, 103, 1, 29, 19, 32, 1, 23, 2, 13, 24, 37, 1, 14, 20, 36, 28, 34, 1, 106, 1, 40, 27, 6, 24, 119, 1, 41, 34, 131, 1, 21, 1, 44, 17, 49, 24, 151, 1, 31, 4, 46, 1, 158, 26, 50, 36 ]
[ "nonn" ]
A212165
[ 1, 2, 3, 4, 5, 7, 8, 9, 11, 12, 13, 16, 17, 18, 19, 20, 23, 24, 25, 27, 28, 29, 31, 32, 36, 37, 40, 41, 43, 44, 45, 47, 48, 49, 50, 52, 53, 54, 56, 59, 61, 63, 64, 67, 68, 71, 72, 73, 75, 76, 79, 80, 81, 83, 88, 89, 92, 96, 97, 98, 99, 100, 101, 103, 104 ]
[ "nonn", "easy" ]
A273384
[ 1, 5, 17, 49, 81, 121, 169, 225, 289, 361, 441, 529, 625, 729, 841, 961, 1089, 1225, 1369, 1521, 1681, 1849, 2025, 2209, 2401, 2601, 2809, 3025, 3249, 3481, 3721, 3969, 4225, 4489, 4761, 5041, 5329, 5625, 5929, 6241, 6561, 6889, 7225, 7569, 7921, 8281, 8649 ]
[ "nonn", "easy" ]
A266415
[ 1, 2, 5, 4, 3, 8, 17, 10, 13, 6, 11, 22, 9, 20, 71, 28, 7, 18, 19, 16, 23, 14, 21, 64, 41, 26, 227, 58, 31, 74, 29, 82, 53, 12, 67, 52, 61, 24, 107, 46, 25, 30, 59, 40, 65, 56, 73, 190, 49, 44, 197, 76, 27, 230, 55, 172, 137, 38, 43, 220, 37, 32, 571, 244, 69, 60, 35, 34, 89, 72, 15, 154, 47, 68, 479, 70 ]
[ "nonn", "base" ]
A135243
[ 34, 394, 3994, 39994, 2309882, 3070463, 7796129, 205207782, 225073882, 478854106, 644154038, 1556396391, 3154222593, 3165974493, 5951924107, 10444787521, 12114130241, 20611191282, 58403366517, 71103822309 ]
[ "base", "nonn" ]
A309623
[ 25, 41, 48, 50, 63 ]
[ "nonn", "more" ]
A229533
[ 96, 1152, 33136, 833108, 19965136, 463976296, 10551803060, 236116939092, 5217401278606, 114127296405752, 2475805502937114, 53336234719117660, 1142245246463418500, 24337955479727680000, 516277243352142050000 ]
[ "nonn" ]
A274129
[ 11, 253, 4257, 63085, 872861, 11569833, 148920497, 1876301845, 23259261861, 284671240513, 3448396611737, 41419505367405, 493973128085261, 5855648668464793, 69053522207998980, 810643999691917800, 9478691806054674000, 110443295770481520000 ]
[ "nonn", "base", "easy" ]
A003118
[ 1, 3, 7, 1, 2, 2, 1, 2, 4, 56, 1, 14, 2, 1, 1, 3, 5, 6, 2, 1, 1, 2, 1, 1, 8, 1, 2, 2, 1, 5, 1, 4, 1, 1, 3, 3, 1, 1, 3, 7, 4, 1, 10, 1, 2, 1, 8, 2, 4, 1, 1, 9, 2, 2, 2, 1, 2, 1, 1, 1, 92, 1, 26, 4, 31, 1, 2, 4, 1, 62, 8, 5, 1, 1, 1, 2, 1, 1, 63, 1, 2, 5, 4, 2, 1 ]
[ "nonn", "cofr" ]
A226006
[ 1, -1, -1, -1, 1, 2, -1, 3, -1, -1, -2, 0, 1, -2, 4, -1, -3, -4, 3, 3, -2, 10, -2, -6, -7, 3, 8, -6, 16, -4, -10, -12, 4, 9, -9, 24, -6, -14, -17, 8, 14, -12, 41, -9, -26, -30, 15, 30, -21, 64, -16, -35, -45, 16, 35, -33, 90, -21, -55, -66, 32, 54, -44, 140 ]
[ "sign" ]
A002419
[ 1, 10, 40, 110, 245, 476, 840, 1380, 2145, 3190, 4576, 6370, 8645, 11480, 14960, 19176, 24225, 30210, 37240, 45430, 54901, 65780, 78200, 92300, 108225, 126126, 146160, 168490, 193285, 220720, 250976, 284240, 320705, 360570, 404040, 451326, 502645, 558220, 618280 ]
[ "nonn", "easy" ]
A184245
[ 2, 4, 41, 31, 213, 176, 706, 571, 2355, 1508, 5431, 3445, 10802, 6673, 22692, 13525, 39450, 21062, 62786, 39829, 103520, 54727, 160264, 88909, 241185, 123101, 329276, 192191, 488530, 242300, 650781, 371934, 859075, 437857, 1241808, 621669, 1539413 ]
[ "nonn" ]
A358666
[ 144, 204, 216, 300, 696, 1140, 1764, 2604, 3240, 3900, 4536, 4764, 5316, 5460, 6000, 6504, 7116, 7836, 7860, 8004, 8484, 9300, 9864, 9936, 10020, 11760, 12180, 13140, 13656, 14256, 15096, 16020, 16440, 16860, 18000, 19536, 20016, 20136, 20280, 21780, 22116, 22236, 23940 ]
[ "nonn" ]
A129696
[ 1, 2, 5, 9, 17, 29, 50, 83, 138, 226, 370, 602, 979, 1588, 2575, 4171, 6755, 10935, 17700, 28645, 46356, 75012, 121380, 196404, 317797, 514214, 832025, 1346253, 2178293, 3524561, 5702870, 9227447, 14930334, 24157798, 39088150, 63245966 ]
[ "nonn", "easy" ]
A367322
[ 3, 10, 5, 58, 37, 10, 178, 257, 121, 19, 558, 817, 1055, 301, 42, 1255, 2757, 3506, 1753, 708, 57, 2532, 4825, 10410, 6913, 5369, 1145, 135, 4786, 12293, 21111, 17713, 17417, 8417, 2395, 171, 7804, 19241, 43740, 38497, 47796, 29121, 16434, 3581, 341 ]
[ "nonn", "tabl" ]
A264147
[ 0, -1, 1, 1, 5, 10, 22, 43, 83, 155, 285, 516, 924, 1639, 2885, 5045, 8773, 15182, 26162, 44915, 76855, 131119, 223101, 378696, 641400, 1084175, 1829257, 3081193, 5181893, 8702290, 14594830, 24446971, 40902299, 68359619, 114132765, 190373580, 317258388, 528265207 ]
[ "sign", "easy" ]
A282473
[ 90, 189, 288, 387, 486, 585, 684, 783, 882, 981, 990, 1089, 1188, 1287, 1386, 1485, 1584, 1683, 1782, 1881, 1980, 1989, 2088, 2187, 2286, 2385, 2484, 2583, 2682, 2781, 2880, 2979, 2988, 3087, 3186, 3285, 3384, 3483, 3582, 3681, 3780, 3879, 3978, 3987, 4086, 4185, 4284, 4383, 4482, 4581, 4680, 4779, 4878, 4977, 4986 ]
[ "nonn", "base", "easy" ]
A242946
[ 5665, 66, 383, 171, 88, 888, 88, 44, 444, 44, 33, 22, 575, 282, 828, 464, 969, 33, 525, 66, 99, 989, 40, 0, 22, 88, 5665, 66, 3003, 0, 383, 8338, 33, 62526, 252, 55, 808, 585, 33, 99, 545, 77, 44, 0, 11, 44, 282, 696, 99, 44, 444, 44, 646, 919, 212, 0, 99, 44, 444, 44, 353, 535, 595, 252, 22 ]
[ "nonn", "base" ]
A095829
[ 1, 3, 5, 6, 9, 21, 24, 35, 84, 396, 1585 ]
[ "nonn", "more", "hard" ]
A116993
[ 13, 1, 4, 44, 66, 484, 4444, 7326, 6666, 48884, 73326, 493284, 888888, 666666, 5426124, 4888884, 6672666, 7333326, 44888844, 73399326, 246888642, 67333266, 4073662593, 4893772884, 4533773244, 6800659866, 2715775062, 1481331852, 493777284, 740665926, 8147325186, 5431550124, 74807258526 ]
[ "nonn", "base" ]
A250409
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 22, 525, 575, 2332, 4664, 6226, 6996, 8558, 10001, 11011, 12621, 13631, 374473, 1851581, 2207022, 2267622, 2762672, 3118113, 3673763, 4029204, 4296924, 4925294, 5103015, 5836385, 6014106, 6281826, 6747476, 7132317, 7192917, 7658567, 7865687 ]
[ "nonn", "base" ]
A369752
[ 1, -4, 4, 56, -104, -2464, 1696, 181184, 462016, -17069824, -141580544, 1593913856, 33015560704, -47193585664, -6973651011584, -50207289585664, 1214484253413376, 25500259291480064, -72069247145590780, -8696105637665604000, -81680899029758540000 ]
[ "sign" ]
A308240
[ 1, 1, 2, 6, 19, 58, 184, 604, 2017, 6806, 23161, 79392, 273614, 946981, 3289364, 11460830, 40036253, 140175224, 491756763, 1728190792, 6082921479, 21440851774, 75669652513, 267362335333, 945656056754, 3347973882425, 11863501369311, 42072251661888 ]
[ "nonn" ]
A142363
[ 59, 811, 1093, 1187, 1657, 2221, 2503, 2879, 3067, 3631, 4007, 4289, 4759, 5323, 5417, 5981, 6263, 6451, 6733, 6827, 7109, 7297, 7673, 8237, 8707, 9929, 10211, 10399, 11057, 11527, 11621, 11903, 12373, 13219, 13313, 13877, 14159, 14347, 14629, 14723, 15193 ]
[ "nonn", "easy" ]
A180749
[ 1, 2, 5, 26, 231, 2844, 43854, 803578, 16960731, 404010692, 10705681566, 312189558548, 9933838621998, 342530711507568, 12724338381577576, 506700249728722560, 21535304484380635000, 973107015782753900000 ]
[ "nonn" ]
A198547
[ 1, 2, 5, 6, 7, 7, 6, 8, 9, 5, 9, 6, 1, 2, 7, 1, 7, 3, 0, 4, 4, 1, 8, 9, 1, 1, 5, 1, 2, 6, 5, 6, 7, 1, 8, 6, 8, 6, 7, 1, 2, 7, 1, 7, 8, 6, 2, 1, 0, 4, 6, 3, 3, 2, 4, 6, 2, 1, 8, 6, 5, 9, 0, 3, 4, 3, 3, 6, 9, 4, 8, 7, 3, 8, 0, 3, 2, 5, 4, 8, 4, 3, 7, 5, 0, 7, 6, 0, 9, 2, 1, 3, 6, 9, 6, 0, 5, 0, 9 ]
[ "nonn", "cons" ]
A389573
[ 1, 2, 3, 4, 3, 4, 5, 7, 4, 4, 7, 9, 3, 6, 10, 9, 5, 6, 7, 13, 6, 4, 13, 14, 4, 8, 10, 11, 7, 8, 13, 16, 6, 6, 14, 17, 3, 8, 18, 14, 9, 8, 7, 21, 9, 6, 21, 19, 6, 10, 14, 13, 7, 12, 18, 24, 6, 4, 19, 22, 7, 10, 23, 18, 10, 12, 7, 23, 10, 8, 29, 21, 5, 12, 17, 21, 10, 8 ]
[ "nonn" ]
A297957
[ 5, 49, 109, 779, 2596, 11283, 61204, 284304, 1375342, 6952910, 34481150, 170526375, 851167905, 4246845842, 21142550887, 105387070394, 525656312520, 2620783997147, 13066690252443, 65162285094742, 324954134100762 ]
[ "nonn" ]
A088239
[ 0, 1, 2, 1, 2, 3, 0, 2, 3, 4, 1, 1, 3, 4, 4, 0, 2, 2, 3, 4, 5, 1, 1, 2, 2, 4, 5, 6, 0, 1, 1, 3, 3, 5, 6, 6, 0, 0, 2, 2, 4, 4, 5, 6, 7, 0, 1, 1, 3, 3, 4, 4, 6, 7, 8, 1, 1, 2, 2, 3, 3, 5, 5, 7, 8, 8, 0, 2, 2, 2, 2, 4, 4, 6, 6, 7, 8, 9, 1, 1, 2, 2, 3, 3, 5, 5, 6, 6, 8, 9, 9, 0, 1, 1, 3, 3, 4, 4, 5, 5, 7, 7, 8, 9, 9 ]
[ "nonn", "tabl" ]
A371268
[ 0, 2, 1, 7, 8, 6, 5, 3, 4, 22, 23, 21, 25, 26, 24, 19, 20, 18, 17, 15, 16, 11, 9, 10, 14, 12, 13, 67, 68, 66, 70, 71, 69, 64, 65, 63, 76, 77, 75, 79, 80, 78, 73, 74, 72, 58, 59, 57, 61, 62, 60, 55, 56, 54, 53, 51, 52, 47, 45, 46, 50, 48, 49, 35, 33, 34, 29, 27 ]
[ "nonn", "base", "easy" ]
A210745
[ 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 5, 5, 7, 7, 9, 9, 9, 9, 9, 9, 9, 9, 9, 11 ]
[ "nonn", "more" ]
A142467
[ 1, 1, 1, 1, 8, 1, 1, 36, 36, 1, 1, 120, 540, 120, 1, 1, 330, 4950, 4950, 330, 1, 1, 792, 32670, 108900, 32670, 792, 1, 1, 1716, 169884, 1557270, 1557270, 169884, 1716, 1, 1, 3432, 736164, 16195608, 44537922, 16195608, 736164, 3432, 1 ]
[ "nonn", "easy", "tabl" ]
A219264
[ 1, 1, 8, 128, 3259, 120082, 6151625, 433404057, 42180568185, 5720993700540, 1088246094845838, 291276119631119400, 109983236494820660000, 5.874146341891358e+22, 4.446631828350156e+25, 4.777184321682686e+28, 7.293098672529523e+31 ]
[ "nonn" ]
A207561
[ 14, 196, 720, 2234, 9568, 36426, 160652, 666212, 2958300, 12763810, 56890052, 250429286, 1120029716, 4985081444, 22367733696, 100216967838, 450974257968, 2029310442178, 9154744404876, 41320179008364, 186800175680348 ]
[ "nonn" ]
A266207
[ 0, 0, 0, 8, 544, 20976, 3124800, 269723136, 61919980032, 9210279970560, 2897383466019840 ]
[ "nonn" ]
A262589
[ 0, 0, 2, 0, 4, 0, 40, 0, 64, 0, 316, 6, 448, 90, 3529, 14, 3836, 0 ]
[ "nonn", "more" ]
A371060
[ 1, 2, 21, 22, 3, 4, 5, 6, 7, 8, 9, 28, 72, 65, 24, 32, 23, 31, 33, 13, 34, 25, 42, 43, 35, 36, 44, 14, 41, 441, 442, 45, 26, 52, 54, 46, 37, 53, 55, 15, 51, 551, 552, 56, 27, 62, 66, 16, 61, 661, 662, 67, 38, 63, 57, 39, 73, 64, 47, 48, 58, 49, 68, 59, 69, 74, 75, 76, 77, 17, 71, 771, 772 ]
[ "base", "nonn" ]
A207376
[ 1, 3, 4, 2, 6, 5, 8, 6, 3, 7, 12, 7, 14, 9, 8, 4, 18, 9, 20, 9, 10, 13, 24, 10, 5, 15, 12, 11, 30, 11, 32, 12, 14, 19, 12, 6, 38, 21, 16, 13, 42, 13, 44, 15, 14, 25, 48, 14, 7, 15, 20, 17, 54, 15, 16, 15, 22, 31, 60, 16, 62, 33, 16, 8, 18, 17, 68, 21, 26, 17 ]
[ "nonn", "easy" ]
A355664
[ 0, 0, 0, 0, 1, 0, 0, 2, 2, 0, 0, 3, 9, 3, 0, 0, 4, 12, 12, 4, 0, 0, 5, 35, 15, 35, 5, 0, 0, 6, 38, 48, 48, 38, 6, 0, 0, 7, 49, 51, 271, 51, 49, 7, 0, 0, 8, 56, 60, 284, 284, 60, 56, 8, 0, 0, 9, 135, 63, 387, 313, 387, 63, 135, 9, 0, 0, 10, 142, 192, 448, 398, 398, 448, 192, 142, 10, 0 ]
[ "nonn", "base", "tabl" ]
A382516
[ 1, 1, 13, 151, 1693, 18688, 204631, 2230498, 24246229, 263112874, 2852058448, 30892668295, 334454025715, 3619669508056, 39164977065622, 423695451762664, 4583082589819489, 49570596449054510, 536121822834121340, 5798064369702626000, 62702959640721360000 ]
[ "nonn", "easy" ]
A163007
[ 1, 288, 30616, 2473317, 185899132, 13742823032, 1012326365581, 74513820639189, 5483824484276487, 403566354707764000, 29699049493529506000, 2.185591507222956e+21, 1.6084035801408418e+23, 1.1836434997659016e+25, 8.710573500992819e+26 ]
[ "nonn" ]
A269786
[ 97, 349, 997, 1609, 2797, 3769, 6829, 7549, 10789, 11689, 13597, 15649, 16729, 22669, 28069, 32497, 40597, 44089, 49597, 59497, 63709, 70297, 74869, 86929, 89449, 94597, 113749, 122497, 128509, 144169, 147409, 153997, 164149, 181789, 196549, 200329, 207997 ]
[ "nonn" ]
A118447
[ 4, 42, 304, 1870, 10488, 55412, 280768, 1379286, 6616360, 31144300, 144367584, 660746892, 2991902704, 13424189160, 59758420736, 264191654758, 1160934273288, 5074150057916, 22071747625120, 95596117130724 ]
[ "nonn" ]
A286068
[ 8, 8, 95, 384, 10240, 57343, 1179647, 4718592, 92274688, 8053063679, 32212254720, 2611340115967, 46179488366591, 184717953466368, 3236962232172544, 243194379878006800, 16717361816799281000, 71481133285624510000, 4.869940435459322e+21, 8.264141345021879e+22 ]
[ "nonn" ]
A195948
[ 1, 5, 25, 125, 625, 3125, 15625, 78125, 1953125, 9765625, 48828125, 762939453125, 3814697265625, 931322574615478500000, 1.164153218269348e+23, 3.469446951953614e+40 ]
[ "nonn", "base" ]
A040667
[ 26, 2, 1, 9, 1, 6, 1, 1, 1, 1, 1, 2, 1, 8, 17, 2, 4, 3, 3, 2, 4, 1, 5, 26, 5, 1, 4, 2, 3, 3, 4, 2, 17, 8, 1, 2, 1, 1, 1, 1, 1, 6, 1, 9, 1, 2, 52, 2, 1, 9, 1, 6, 1, 1, 1, 1, 1, 2, 1, 8, 17, 2, 4, 3, 3, 2, 4, 1, 5, 26, 5, 1, 4, 2, 3, 3, 4, 2, 17, 8, 1, 2, 1, 1, 1, 1, 1, 6, 1, 9 ]
[ "nonn", "cofr", "easy" ]
A184925
[ 3, 8, 11, 17, 20, 25, 30, 34, 38, 42, 47, 51, 55, 61, 64, 69, 72, 78, 82, 86, 92, 95, 100, 103, 109, 113, 117, 122, 126, 130, 135, 139, 144, 147, 153, 156, 161, 166, 170, 175, 178, 184, 187, 192, 196, 201, 205, 209, 214, 218, 222, 228, 231, 236, 241, 245, 249, 253, 259, 262, 267, 271, 276, 279, 284, 289, 293, 297, 302, 306, 310, 314, 320, 324, 328, 333, 337, 342, 345, 351, 354, 359, 363, 368, 372, 377, 381, 385, 389, 394, 399, 403, 408, 412, 416, 420, 426, 429, 434, 438, 443, 446, 451, 456, 460, 464, 469, 473, 477, 483, 487, 491, 495, 500, 504, 508, 513, 518, 521, 526 ]
[ "nonn" ]
A275767
[ 2, 3, 9, 11, 291, 1263, 2661, 3165, 8973, 8999, 27479, 42689 ]
[ "nonn", "more" ]
A328103
[ 0, 4, 30, 100, 398, 1748, 6510, 28628, 102590, 456132, 1642078, 7289764, 26336590, 116802708, 420215854, 1865678868, 6741198206, 29904470916, 107568473246, 477629808612, 1725756768270, 7655529847380, 27537572248046, 122273029571156, 441793665700414, 1959816793456452, 7049616389341662, 31301899019407908, 113099196716630990, 501713069953322000 ]
[ "nonn" ]