- 15
What is the z'th term of -546, -1843, -4034, -7119?
-447*z**2 + 44*z - 143
What is the d'th term of -10143, -40606, -91379, -162462, -253855?
-10155*d**2 + 2*d + 10
What is the f'th term of -1768, -5326, -8884?
-3558*f + 1790
What is the o'th term of -52826467, -105652951, -158479435, -211305919, -264132403, -316958887?
-52826484*o + 17
What is the k'th term of -78637, -78267, -77897?
370*k - 79007
What is the p'th term of -179982152, -179982149, -179982146?
3*p - 179982155
What is the t'th term of -3751, -4771, -5791, -6811?
-1020*t - 2731
What is the b'th term of 37095, 65872, 94649, 123426, 152203?
28777*b + 8318
What is the b'th term of 365, 3060, 10471, 24956, 48873, 84580?
393*b**3 - 56*b + 28
What is the q'th term of 25660, 51543, 77858, 104821, 132648?
36*q**3 + 25631*q - 7
What is the w'th term of 49286, 57355, 65420, 73481, 81538, 89591, 97640?
-2*w**2 + 8075*w + 41213
What is the u'th term of 17168, 68619, 154380, 274445, 428808, 617463, 840404, 1097625?
-u**3 + 17161*u**2 - 25*u + 33
What is the s'th term of 58244, 55304, 52366, 49430?
s**2 - 2943*s + 61186
What is the x'th term of -993, -1696, -2421, -3168, -3937?
-11*x**2 - 670*x - 312
What is the b'th term of 10635, 19311, 27985, 36657, 45327, 53995?
-b**2 + 8679*b + 1957
What is the w'th term of -7889, -8200, -8707, -9404, -10285?
w**3 - 104*w**2 - 6*w - 7780
What is the q'th term of -11735, -11701, -11639, -11555, -11455, -11345?
-q**3 + 20*q**2 - 19*q - 11735
What is the g'th term of 162, -138, -840, -1944, -3450?
-201*g**2 + 303*g + 60
What is the x'th term of 25181, 50382, 75595, 100820?
6*x**2 + 25183*x - 8
What is the a'th term of 28546, 56284, 84012, 111724, 139414, 167076, 194704?
-a**3 + a**2 + 27742*a + 804
What is the t'th term of 22143, 23429, 24715, 26001, 27287, 28573?
1286*t + 20857
What is the k'th term of 17515, 17530, 17541, 17548?
-2*k**2 + 21*k + 17496
What is the i'th term of -18581, -12866, -7151, -1436, 4279?
5715*i - 24296
What is the b'th term of 5128030, 10256086, 15384142, 20512198?
5128056*b - 26
What is the m'th term of -752, -720, -692, -668, -648, -632, -620?
-2*m**2 + 38*m - 788
What is the i'th term of 695, 7610, 26847, 64568, 126935, 220110, 350255, 523532?
1027*i**3 - i**2 - 271*i - 60
What is the f'th term of 352, 2131, 6984, 16447, 32056, 55347?
256*f**3 + f**2 - 16*f + 111
What is the w'th term of 45530137, 45530139, 45530141, 45530143, 45530145, 45530147?
2*w + 45530135
What is the n'th term of -11240, -21943, -32646, -43349, -54052?
-10703*n - 537
What is the c'th term of 178, 568, 1200, 2068, 3166, 4488, 6028, 7780?
-c**3 + 127*c**2 + 16*c + 36
What is the f'th term of -327896125, -655792254, -983688383, -1311584512, -1639480641?
-327896129*f + 4
What is the c'th term of 869533, 869575, 869617?
42*c + 869491
What is the u'th term of -1742, -3455, -5142, -6797, -8414, -9987, -11510, -12977?
u**3 + 7*u**2 - 1741*u - 9
What is the h'th term of -26711, -53680, -80869, -108278, -135907?
-110*h**2 - 26639*h + 38
What is the q'th term of 3068, 6218, 9368, 12518?
3150*q - 82
What is the j'th term of -1155013, -2309991, -3464969, -4619947?
-1154978*j - 35
What is the i'th term of 5651192, 5651179, 5651166, 5651153?
-13*i + 5651205
What is the w'th term of 107, 562, 1793, 4190, 8143, 14042, 22277, 33238?
65*w**3 - 2*w**2 + 6*w + 38
What is the b'th term of 390311, 780641, 1170971?
390330*b - 19
What is the i'th term of 78278, 156858, 235438, 314018?
78580*i - 302
What is the s'th term of 2241, 3124, 4005, 4884?
-s**2 + 886*s + 1356
What is the d'th term of 1479, 1117, 533, -273, -1301, -2551, -4023?
-111*d**2 - 29*d + 1619
What is the u'th term of 95453, 96072, 96691, 97310, 97929, 98548?
619*u + 94834
What is the r'th term of -3027963, -3027958, -3027949, -3027936, -3027919, -3027898?
2*r**2 - r - 3027964
What is the b'th term of -3000, -5557, -8126, -10713, -13324?
-b**3 - 2550*b - 449
What is the t'th term of -655748, -655837, -655926?
-89*t - 655659
What is the k'th term of -764, -5885, -14406, -26327?
-1700*k**2 - 21*k + 957
What is the s'th term of -483, -194, 265, 876, 1621, 2482?
-3*s**3 + 103*s**2 + s - 584
What is the q'th term of 2547830, 2547831, 2547834, 2547839, 2547846, 2547855?
q**2 - 2*q + 2547831
What is the k'th term of -65098573, -130197147, -195295721, -260394295, -325492869?
-65098574*k + 1
What is the f'th term of 16499, 30760, 45019, 59276, 73531?
-f**2 + 14264*f + 2236
What is the l'th term of -7930, -11900, -15870, -19840, -23810?
-3970*l - 3960
What is the y'th term of -36315476, -72630960, -108946444, -145261928, -181577412, -217892896?
-36315484*y + 8
What is the d'th term of -4649180, -4649365, -4649550, -4649735, -4649920, -4650105?
-185*d - 4648995
What is the u'th term of -259, -1284, -4179, -9880, -19323, -33444, -53179?
-156*u**3 + u**2 + 64*u - 168
What is the p'th term of 531676, 1063157, 1594638, 2126119, 2657600, 3189081?
531481*p + 195
What is the o'th term of 5302, 5414, 5730, 6358, 7406, 8982, 11194, 14150?
18*o**3 - 6*o**2 + 4*o + 5286
What is the u'th term of 1125, 3673, 6235, 8811, 11401, 14005, 16623?
7*u**2 + 2527*u - 1409
What is the x'th term of 83123, 83132, 83147, 83168, 83195, 83228?
3*x**2 + 83120
What is the x'th term of -1359, 3171, 7703, 12237, 16773, 21311?
x**2 + 4527*x - 5887
What is the c'th term of 1256818, 2513655, 3770502, 5027365, 6284250, 7541163?
c**3 - c**2 + 1256833*c - 15
What is the v'th term of 10777, 43437, 97873, 174085, 272073, 391837?
10888*v**2 - 4*v - 107
What is the m'th term of -3018044, -6036087, -9054124, -12072155?
3*m**2 - 3018052*m + 5
What is the q'th term of -106080426, -212160850, -318241274, -424321698?
-106080424*q - 2
What is the q'th term of 1388172, 2776354, 4164536, 5552718, 6940900?
1388182*q - 10
What is the x'th term of 151813, 303623, 455425, 607219, 759005?
-4*x**2 + 151822*x - 5
What is the t'th term of 99682, 398811, 897360, 1595329, 2492718?
99710*t**2 - t - 27
What is the f'th term of 3204158, 12816653, 28837476, 51266627, 80104106?
3204164*f**2 + 3*f - 9
What is the d'th term of -75603, -75593, -75583, -75573, -75563?
10*d - 75613
What is the x'th term of 26754, 54399, 82918, 112311?
437*x**2 + 26334*x - 17
What is the i'th term of -660, -804, -1056, -1416, -1884?
-54*i**2 + 18*i - 624
What is the w'th term of 696, 885, 964, 933, 792, 541, 180?
-55*w**2 + 354*w + 397
What is the t'th term of 17311, 17033, 16755?
-278*t + 17589
What is the l'th term of -16752, -16567, -16312, -15981, -15568, -15067, -14472, -13777?
l**3 + 29*l**2 + 91*l - 16873
What is the w'th term of -75734503, -75734481, -75734445, -75734395, -75734331?
7*w**2 + w - 75734511
What is the q'th term of -24405, -24130, -23855?
275*q - 24680
What is the p'th term of -3675, -3737, -3825, -3939?
-13*p**2 - 23*p - 3639
What is the o'th term of 527, 1060, 1621, 2210, 2827, 3472?
14*o**2 + 491*o + 22
What is the r'th term of -4260, -5060, -5862, -6666?
-r**2 - 797*r - 3462
What is the a'th term of 109025903, 109025902, 109025901, 109025900, 109025899?
-a + 109025904
What is the x'th term of -59107, -235553, -529353, -940513, -1469039, -2114937?
-x**3 - 58671*x**2 - 426*x - 9
What is the a'th term of 3023, 12004, 26953, 47882, 74803?
2*a**3 + 2972*a**2 + 51*a - 2
What is the f'th term of -1226810, -1226807, -1226804, -1226801, -1226798, -1226795?
3*f - 1226813
What is the v'th term of -2126099, -4252204, -6378309?
-2126105*v + 6
What is the l'th term of 339, 615, 885, 1143, 1383, 1599, 1785, 1935?
-l**3 + 3*l**2 + 274*l + 63
What is the d'th term of 10607, 44952, 102237, 182462, 285627, 411732?
11470*d**2 - 65*d - 798
What is the i'th term of 175255, 700973, 1577167, 2803837?
175238*i**2 + 4*i + 13
What is the w'th term of -7326, -13461, -19610, -25773?
-7*w**2 - 6114*w - 1205
What is the h'th term of -26926707, -53853423, -80780141, -107706861, -134633583, -161560307?
-h**2 - 26926713*h + 7
What is the r'th term of -11842, -23658, -35460, -47242, -58998, -70722?
r**3 + r**2 - 11826*r - 18
What is the s'th term of 17645988, 35291986, 52937984, 70583982, 88229980?
17645998*s - 10
What is the h'th term of -36066, -144256, -324588, -577062, -901678?
-36071*h**2 + 23*h - 18
What is the u'th term of -8611, -21422, -34233, -47044?
-12811*u + 4200
What is the a'th term of -2122, -2038,