645
What is the k'th term of 589, 1225, 1871, 2527, 3193, 3869?
5*k**2 + 621*k - 37
What is the x'th term of -240, -57, 126, 309, 492?
183*x - 423
What is the a'th term of 705, 1424, 2157, 2910, 3689, 4500?
a**3 + a**2 + 709*a - 6
What is the f'th term of 2274, 4610, 6962, 9336, 11738, 14174, 16650, 19172?
f**3 + 2*f**2 + 2323*f - 52
What is the v'th term of 513, 1026, 1539, 2052, 2565?
513*v
What is the k'th term of 5452, 10916, 16380, 21844, 27308, 32772?
5464*k - 12
What is the i'th term of 3389, 3546, 3703, 3860?
157*i + 3232
What is the l'th term of 1375, 1390, 1409, 1432, 1459, 1490, 1525?
2*l**2 + 9*l + 1364
What is the q'th term of 21925, 21937, 21961, 22003, 22069, 22165, 22297?
q**3 + 5*q + 21919
What is the i'th term of -37287, -149130, -335535, -596502?
-37281*i**2 - 6
What is the k'th term of 1440, 2844, 4192, 5478, 6696, 7840, 8904?
-k**3 - 22*k**2 + 1477*k - 14
What is the i'th term of -304, -2611, -8876, -21079, -41200?
-330*i**3 + i**2 + 25
What is the r'th term of -243, -2079, -7069, -16791, -32823, -56743, -90129, -134559?
-263*r**3 + r**2 + 2*r + 17
What is the p'th term of 146818, 293643, 440468, 587293?
146825*p - 7
What is the d'th term of -17002, -17004, -17016, -17044, -17094, -17172, -17284, -17436?
-d**3 + d**2 + 2*d - 17004
What is the n'th term of -1140, -2279, -3414, -4545?
2*n**2 - 1145*n + 3
What is the n'th term of 592, 2307, 5166, 9169?
572*n**2 - n + 21
What is the w'th term of -103478, -206957, -310436, -413915, -517394, -620873?
-103479*w + 1
What is the j'th term of 47, 132, 273, 470, 723?
28*j**2 + j + 18
What is the x'th term of 10131, 10119, 10099, 10071, 10035, 9991, 9939?
-4*x**2 + 10135
What is the z'th term of 4648, 9285, 13922, 18559, 23196, 27833?
4637*z + 11
What is the d'th term of 1985, 7804, 17503, 31082, 48541, 69880, 95099?
1940*d**2 - d + 46
What is the g'th term of -790, -1345, -2850, -5779, -10606, -17805?
-79*g**3 - g**2 + g - 711
What is the s'th term of -67, -5, 43, 77?
-7*s**2 + 83*s - 143
What is the v'th term of 130430, 130456, 130482?
26*v + 130404
What is the u'th term of -12084, -24156, -36206, -48222, -60192, -72104?
2*u**3 - u**2 - 12083*u - 2
What is the o'th term of 146, 384, 742, 1250, 1938, 2836, 3974, 5382?
5*o**3 + 30*o**2 + 113*o - 2
What is the d'th term of 2436, 2602, 2876, 3258, 3748?
54*d**2 + 4*d + 2378
What is the u'th term of 1222, 2410, 3604, 4804, 6010, 7222, 8440?
3*u**2 + 1179*u + 40
What is the v'th term of 471, 951, 1437, 1929, 2427?
3*v**2 + 471*v - 3
What is the t'th term of 12906, 12901, 12892, 12879?
-2*t**2 + t + 12907
What is the t'th term of -32500, -64997, -97494, -129991, -162488, -194985?
-32497*t - 3
What is the a'th term of 4180, 8370, 12560, 16750, 20940, 25130?
4190*a - 10
What is the a'th term of -2419, -2408, -2407, -2422, -2459, -2524, -2623, -2762?
-a**3 + a**2 + 15*a - 2434
What is the u'th term of 157, 667, 1517, 2707, 4237?
170*u**2 - 13
What is the i'th term of -511, 414, 1337, 2252, 3153?
-i**3 + 5*i**2 + 917*i - 1432
What is the r'th term of 217, 431, 653, 877, 1097, 1307, 1501, 1673?
-r**3 + 10*r**2 + 191*r + 17
What is the c'th term of -441, -1755, -3939, -6993, -10917, -15711, -21375?
-435*c**2 - 9*c + 3
What is the d'th term of -202072, -404146, -606220?
-202074*d + 2
What is the w'th term of 13322, 26645, 39966, 53285, 66602?
-w**2 + 13326*w - 3
What is the t'th term of 4486, 8960, 13434, 17908?
4474*t + 12
What is the m'th term of 37644, 37572, 37502, 37434?
m**2 - 75*m + 37718
What is the f'th term of -275, 146, 567?
421*f - 696
What is the j'th term of 33106, 33094, 33082, 33070, 33058?
-12*j + 33118
What is the d'th term of -2737, -2803, -2913, -3067, -3265?
-22*d**2 - 2715
What is the a'th term of -1414, -5695, -12830, -22819?
-1427*a**2 + 13
What is the d'th term of -136, -62, 64, 242, 472, 754, 1088?
26*d**2 - 4*d - 158
What is the b'th term of -2504, -9749, -21824, -38729?
-2415*b**2 - 89
What is the q'th term of -396, -787, -1172, -1551, -1924, -2291, -2652?
3*q**2 - 400*q + 1
What is the n'th term of -94, 165, 434, 707, 978, 1241?
-n**3 + 11*n**2 + 233*n - 337
What is the m'th term of -1835, -1855, -1895, -1961, -2059?
-m**3 - 4*m**2 - m - 1829
What is the t'th term of 970, 940, 838, 628, 274?
-6*t**3 + 12*t + 964
What is the n'th term of 17171, 17183, 17195, 17207, 17219, 17231?
12*n + 17159
What is the d'th term of 349, 711, 1073, 1435?
362*d - 13
What is the d'th term of 2044, 2610, 3176, 3742, 4308?
566*d + 1478
What is the f'th term of -1387150, -1387148, -1387146?
2*f - 1387152
What is the y'th term of 4304, 4449, 4606, 4781, 4980, 5209, 5474?
y**3 + 138*y + 4165
What is the v'th term of -190, -883, -2748, -6367, -12322, -21195?
-97*v**3 - 4*v**2 - 2*v - 87
What is the v'th term of -146344, -146342, -146340?
2*v - 146346
What is the h'th term of -4478, -4668, -4856, -5042?
h**2 - 193*h - 4286
What is the h'th term of 80, 188, 336, 524, 752, 1020?
20*h**2 + 48*h + 12
What is the t'th term of -30843, -30852, -30881, -30942, -31047, -31208?
-2*t**3 + 2*t**2 - t - 30842
What is the l'th term of -2494, -2644, -2896, -3244, -3682, -4204?
l**3 - 57*l**2 + 14*l - 2452
What is the f'th term of -2418, -9760, -22014, -39186, -61282, -88308?
-f**3 - 2450*f**2 + 15*f + 18
What is the p'th term of 1250, 1155, 1060, 965, 870, 775?
-95*p + 1345
What is the j'th term of -439, -878, -1345, -1864, -2459, -3154, -3973, -4940?
-4*j**3 + 10*j**2 - 441*j - 4
What is the h'th term of -5355, -5371, -5381, -5373, -5335?
2*h**3 - 9*h**2 - 3*h - 5345
What is the t'th term of -909, -989, -1211, -1647, -2369, -3449, -4959, -6971?
-12*t**3 + t**2 + t - 899
What is the c'th term of -405, -693, -979, -1263?
c**2 - 291*c - 115
What is the y'th term of -152846, -305709, -458568, -611423, -764274, -917121, -1069964?
2*y**2 - 152869*y + 21
What is the k'th term of 59, 72, 91, 122, 171, 244?
k**3 - 3*k**2 + 15*k + 46
What is the c'th term of 16604, 16603, 16602, 16601, 16600, 16599?
-c + 16605
What is the c'th term of 654, 2585, 5800, 10299, 16082, 23149, 31500?
642*c**2 + 5*c + 7
What is the y'th term of -4022, -16102, -36234, -64418, -100654, -144942, -197282?
-4026*y**2 - 2*y + 6
What is the k'th term of -268310, -268303, -268292, -268277, -268258, -268235, -268208?
2*k**2 + k - 268313
What is the n'th term of 3535, 14078, 31627, 56176, 87719?
-n**3 + 3509*n**2 + 23*n + 4
What is the z'th term of -68733, -68756, -68779?
-23*z - 68710
What is the f'th term of 61, 132, 183, 208, 201, 156, 67, -72?
-f**3 - 4*f**2 + 90*f - 24
What is the j'th term of 3141, 6280, 9433, 12606, 15805, 19036, 22305?
j**3 + j**2 + 3129*j + 10
What is the p'th term of -5978, -47846, -161478, -382754, -747554, -1291758?
-5980*p**3 - 2*p**2 - 2*p + 6
What is the j'th term of -639, -205, 1141, 3855, 8393, 15211, 24765, 37511?
76*j**3 - 98*j - 617
What is the z'th term of 2224, 4472, 6720, 8968, 11216?
2248*z - 24
What is the s'th term of -132, -171, -220, -279, -348?
-5*s**2 - 24*s - 103
What is the v'th term of -148, -263, -446, -691, -992?
v**3 - 40*v**2 - 2*v - 107
What is the o'th term of 815, 3407, 7729, 13787, 21587?
o**3 + 859*o**2 + 8*o - 53
What is the d'th term of 342, 1366, 3082, 5496, 8614, 12442?
d**3 + 340*d**2 - 3*d + 4
What is the h'th term of -1102, -2194, -3280, -4360, -5434, -6502, -7564?
3*h**2 - 1101*h - 4
What is the m'th term of 1461, 2948, 4457, 5994, 7565, 9176, 10833, 12542?
m**3 + 5*m**2 + 1465*m - 10
What is the c'th term of -26, -166, -474, -1010, -1834?
-10*c**3 - 24*c**2 + 2*c + 6
What is the g'th term of 826, 1638, 2440, 3238, 4038, 4846, 5668?
g**3 - 11*g**2 + 838*g - 2
What is the g'th term of 1245, 2497, 3755, 5019, 6289, 7565, 8847?
3*g**2 + 1243*g - 1
What is the s'th term of -1443, -6281, -14349, -25653, -40199, -57993, -79041?
-s**3 - 1609*s**2 - 4*s + 171
What is the f'th term of 621, 1200, 1779, 2358, 2937, 3516?
579*f + 42
What is the w'th term of 4904, 4921, 4938?
17*w + 4887
What is the g'th term of -60, -135, -230, -345, -480, -635?
-10*g**2 - 45*g - 5
What is the q'th term of 2312, 18459, 62280, 147611, 288288, 498147, 791024, 1180755?
2306*q**3 + q**2 + 2*q + 3
What is the o'th term of -283, -912, -1891, -3226, -4923, -6988, -9427?
-o**3 - 169*o**2 - 115*o + 2
What is the v'th term of -14252, -14484, -14716, -14948?
-232*v - 1