- 4
What is the u'th term of 247, 240, 239, 250, 279?
u**3 - 3*u**2 - 5*u + 254
What is the o'th term of -173, -342, -509, -674, -837, -998, -1157?
o**2 - 172*o - 2
What is the l'th term of 7, 12, 17, 22, 27?
5*l + 2
What is the n'th term of -10, -32, -66, -112, -170?
-6*n**2 - 4*n
What is the p'th term of -31, -78, -127, -178, -231?
-p**2 - 44*p + 14
What is the t'th term of -2113, -2115, -2117?
-2*t - 2111
What is the b'th term of -350, -352, -354, -356, -358, -360?
-2*b - 348
What is the u'th term of -54, -57, -60, -63, -66?
-3*u - 51
What is the r'th term of 479, 471, 459, 443, 423, 399?
-2*r**2 - 2*r + 483
What is the b'th term of 71, 302, 931, 2156, 4175, 7186, 11387?
33*b**3 + b**2 - 3*b + 40
What is the p'th term of -1, -18, -61, -142, -273, -466, -733?
-2*p**3 - p**2 + 2
What is the z'th term of 70, 149, 230, 313?
z**2 + 76*z - 7
What is the k'th term of 43, 88, 129, 166, 199?
-2*k**2 + 51*k - 6
What is the x'th term of 10, 0, -24, -62, -114, -180?
-7*x**2 + 11*x + 6
What is the l'th term of 37, 71, 105, 139, 173?
34*l + 3
What is the v'th term of -515, -4155, -14035, -33275, -64995, -112315, -178355?
-520*v**3 + 5
What is the z'th term of 999, 2001, 3003, 4005, 5007, 6009?
1002*z - 3
What is the v'th term of -95, -98, -103, -110, -119, -130, -143?
-v**2 - 94
What is the r'th term of 69, 79, 89, 99?
10*r + 59
What is the v'th term of 94, 154, 312, 616, 1114, 1854?
8*v**3 + v**2 + v + 84
What is the g'th term of -100, -185, -272, -361?
-g**2 - 82*g - 17
What is the c'th term of -17392, -17398, -17406, -17416, -17428?
-c**2 - 3*c - 17388
What is the j'th term of 1338, 1326, 1300, 1254, 1182?
-j**3 - j**2 - 2*j + 1342
What is the k'th term of 51, 115, 183, 255, 331?
2*k**2 + 58*k - 9
What is the c'th term of 15, 18, 27, 42?
3*c**2 - 6*c + 18
What is the o'th term of 3425, 6845, 10253, 13643, 17009, 20345?
-o**3 + 3427*o - 1
What is the x'th term of -4, -21, -48, -91, -156, -249, -376, -543?
-x**3 + x**2 - 13*x + 9
What is the u'th term of 6, -14, -34, -54, -74?
-20*u + 26
What is the n'th term of -113, -225, -339, -455, -573, -693, -815?
-n**2 - 109*n - 3
What is the i'th term of -25, -59, -81, -85, -65, -15, 71?
i**3 - 41*i + 15
What is the j'th term of -161, -593, -1313, -2321, -3617, -5201, -7073?
-144*j**2 - 17
What is the b'th term of 417, 833, 1247, 1659, 2069, 2477?
-b**2 + 419*b - 1
What is the f'th term of -66, -112, -232, -462, -838?
-6*f**3 - f**2 - f - 58
What is the v'th term of -159, -345, -531, -717?
-186*v + 27
What is the n'th term of 5360, 10718, 16076, 21434?
5358*n + 2
What is the c'th term of 8, -44, -178, -436, -860, -1492?
-7*c**3 + c**2 - 6*c + 20
What is the b'th term of 7, -11, -39, -83, -149?
-b**3 + b**2 - 14*b + 21
What is the p'th term of 380, 761, 1142, 1523?
381*p - 1
What is the s'th term of -96, -419, -962, -1731, -2732, -3971, -5454?
-s**3 - 104*s**2 - 4*s + 13
What is the k'th term of -63, -67, -75, -87, -103, -123?
-2*k**2 + 2*k - 63
What is the w'th term of 225, 224, 229, 246, 281, 340?
w**3 - 3*w**2 + w + 226
What is the h'th term of -42, 10, 120, 306, 586, 978, 1500, 2170?
3*h**3 + 11*h**2 - 2*h - 54
What is the n'th term of -63, -13, 69, 183, 329, 507?
16*n**2 + 2*n - 81
What is the l'th term of 18, 20, 22, 24, 26, 28?
2*l + 16
What is the v'th term of -19, 19, 133, 365, 757?
7*v**3 - 4*v**2 + v - 23
What is the q'th term of 2075, 4158, 6249, 8354, 10479, 12630?
q**3 - 2*q**2 + 2082*q - 6
What is the t'th term of -27, -22, 1, 48, 125?
t**3 + 3*t**2 - 11*t - 20
What is the o'th term of -30, -114, -260, -474, -762, -1130, -1584, -2130?
-o**3 - 25*o**2 - 2*o - 2
What is the a'th term of -161, -1307, -4411, -10451, -20405, -35251, -55967, -83531?
-163*a**3 - a**2 - 2*a + 5
What is the c'th term of 14, 29, 48, 71, 98?
2*c**2 + 9*c + 3
What is the c'th term of 2503, 5007, 7511?
2504*c - 1
What is the j'th term of -2250, -2251, -2252, -2253?
-j - 2249
What is the t'th term of -10492, -10488, -10484?
4*t - 10496
What is the y'th term of 5, 22, 41, 56, 61, 50?
-y**3 + 7*y**2 + 3*y - 4
What is the q'th term of 14, 39, 96, 197, 354?
2*q**3 + 4*q**2 - q + 9
What is the y'th term of -270, -534, -798, -1062, -1326, -1590?
-264*y - 6
What is the y'th term of 1395, 1396, 1397?
y + 1394
What is the m'th term of 4213, 4215, 4217, 4219, 4221, 4223?
2*m + 4211
What is the l'th term of 17, -11, -81, -211, -419, -723, -1141, -1691?
-3*l**3 - 3*l**2 + 2*l + 21
What is the a'th term of -116, -233, -350?
-117*a + 1
What is the b'th term of -12, -166, -582, -1392, -2728, -4722?
-22*b**3 + b**2 - 3*b + 12
What is the h'th term of 334, 357, 400, 469, 570, 709, 892?
h**3 + 4*h**2 + 4*h + 325
What is the f'th term of -262, -264, -266, -268, -270?
-2*f - 260
What is the p'th term of -1678, -3362, -5046, -6730?
-1684*p + 6
What is the k'th term of -45, -49, -53, -57, -61, -65?
-4*k - 41
What is the g'th term of -4139, -4137, -4135, -4133?
2*g - 4141
What is the x'th term of -907, -906, -905?
x - 908
What is the n'th term of -1640, -1639, -1638, -1637?
n - 1641
What is the k'th term of 103, 430, 983, 1768, 2791?
k**3 + 107*k**2 - k - 4
What is the m'th term of 5199, 10398, 15597, 20796?
5199*m
What is the u'th term of 32, 12, -20, -64?
-6*u**2 - 2*u + 40
What is the l'th term of -96, -129, -164, -201, -240, -281, -324?
-l**2 - 30*l - 65
What is the v'th term of -50, -149, -298, -497, -746, -1045, -1394?
-25*v**2 - 24*v - 1
What is the o'th term of 1659, 1656, 1653?
-3*o + 1662
What is the d'th term of 488, 1964, 4430, 7892, 12356, 17828?
d**3 + 489*d**2 + 2*d - 4
What is the k'th term of 409, 392, 365, 328, 281, 224?
-5*k**2 - 2*k + 416
What is the q'th term of -90, -178, -266?
-88*q - 2
What is the x'th term of -40, -92, -178, -298, -452, -640?
-17*x**2 - x - 22
What is the x'th term of -84, -97, -112, -123, -124, -109, -72, -7?
x**3 - 7*x**2 + x - 79
What is the d'th term of -41, -74, -111, -158, -221?
-d**3 + 4*d**2 - 38*d - 6
What is the r'th term of -3, -14, -53, -132, -263, -458?
-2*r**3 - 2*r**2 + 9*r - 8
What is the w'th term of 3739, 3744, 3751, 3760?
w**2 + 2*w + 3736
What is the p'th term of 140, 288, 438, 590, 744, 900, 1058?
p**2 + 145*p - 6
What is the k'th term of 29, 60, 93, 128, 165, 204?
k**2 + 28*k
What is the y'th term of 4, 23, 56, 103, 164?
7*y**2 - 2*y - 1
What is the c'th term of -38, -59, -80?
-21*c - 17
What is the u'th term of 442, 445, 448, 451, 454, 457?
3*u + 439
What is the z'th term of -226, -471, -716, -961?
-245*z + 19
What is the o'th term of 0, 0, 6, 18, 36, 60, 90?
3*o**2 - 9*o + 6
What is the a'th term of 219, 857, 1913, 3387, 5279?
209*a**2 + 11*a - 1
What is the r'th term of 14, 47, 98, 167, 254, 359?
9*r**2 + 6*r - 1
What is the b'th term of -1765, -1764, -1763, -1762, -1761, -1760?
b - 1766
What is the f'th term of -48, -76, -106, -138?
-f**2 - 25*f - 22
What is the p'th term of 8543, 17086, 25629, 34172?
8543*p
What is the b'th term of 53, 222, 505, 902, 1413, 2038, 2777?
57*b**2 - 2*b - 2
What is the g'th term of 47, 62, 87, 122?
5*g**2 + 42
What is the d'th term of -23, -45, -75, -107, -135, -153, -155?
d**3 - 10*d**2 + d - 15
What is the m'th term of 141, 143, 149, 159, 173, 191?
2*m**2 - 4*m + 143
What is the y'th term of 56, 95, 124, 137, 128?
-y**3 + y**2 + 43*y + 13
What is the j'th term of -857, -856, -855, -854, -853, -852?
j - 858
What is the y'th term of -473, -1898, -4273, -7598, -11873, -17098?
-475*y**2 + 2
What is the n'th term of 2720, 2724, 2728?
4*n + 2716
What is the z'th term of -22, -20, -6, 26, 82, 168, 290?
z**3 - 5*z - 18
What is the v'th term of -19, 11, 71, 167, 305, 491, 731, 1031?
v**3 + 9*v**2 - 4*v - 25
What is the o'th term of -6532, -6528, -6522, -6514, -6504?
o**2 + o - 6534
What is the s'th term of -1001, -1004, -1007, -1010, -1013?
-3*s - 998
What is the o'th term of -102, -104, -108, -114, -122, -132?
-o**2 + o - 102
What is the t'th term of 20441, 40884, 61327, 81770?
20443*t - 2
What is the n'th term of 46, 86, 136, 202, 290, 406, 556, 746?
n**3 - n**2 + 36*n + 10
What is the o'th term of 164, 327, 488, 647, 804?
-o**2 + 166*o - 1
What is the m'th term of 180, 358, 542, 732?
3*m**2 + 169*m + 8
What is the j'th term of 4794, 9590, 14386, 19182?
4796*j - 2
What is the l'th term of -24, -27, 4, 87, 240, 481, 828?
3*l**3 - l**2 - 21*l - 5
What is th