5?
x**2 - x + 13
What is the t'th term of 53, 363, 1199, 2825, 5505, 9503, 15083?
44*t**3 - t**2 + 5*t + 5
What is the l'th term of 17, 30, 43, 56, 69?
13*l + 4
What is the y'th term of 155, 160, 175, 206, 259?
y**3 - y**2 + y + 154
What is the u'th term of 10, -1, -20, -47, -82?
-4*u**2 + u + 13
What is the v'th term of 140, 144, 148, 152, 156?
4*v + 136
What is the o'th term of 32713, 32712, 32711, 32710?
-o + 32714
What is the d'th term of 307, 303, 295, 283, 267, 247, 223?
-2*d**2 + 2*d + 307
What is the r'th term of 7, 23, 61, 133, 251, 427, 673?
2*r**3 - r**2 + 5*r + 1
What is the b'th term of 20, 66, 140, 242, 372?
14*b**2 + 4*b + 2
What is the p'th term of 204, 350, 496, 642, 788?
146*p + 58
What is the y'th term of 112, 111, 110?
-y + 113
What is the z'th term of 9, 12, 17, 24?
z**2 + 8
What is the r'th term of 2174, 4342, 6522, 8720, 10942, 13194, 15482?
r**3 + 2161*r + 12
What is the d'th term of -232, -231, -230, -229, -228?
d - 233
What is the s'th term of 622, 615, 604, 589?
-2*s**2 - s + 625
What is the t'th term of 253, 506, 759, 1012?
253*t
What is the i'th term of -329, -330, -331?
-i - 328
What is the z'th term of -80, -64, -38, -2, 44, 100, 166?
5*z**2 + z - 86
What is the s'th term of 18, 150, 380, 714, 1158, 1718, 2400?
s**3 + 43*s**2 - 4*s - 22
What is the s'th term of 10, 22, 48, 94, 166, 270, 412, 598?
s**3 + s**2 + 2*s + 6
What is the f'th term of 27, 93, 185, 315, 495, 737?
2*f**3 + f**2 + 49*f - 25
What is the s'th term of -246, -250, -254, -258, -262, -266?
-4*s - 242
What is the b'th term of -42, -54, -80, -126, -198?
-b**3 - b**2 - 2*b - 38
What is the d'th term of 72, 85, 96, 105, 112, 117?
-d**2 + 16*d + 57
What is the a'th term of 7, 20, 47, 94, 167, 272?
a**3 + a**2 + 3*a + 2
What is the w'th term of 18, -11, -60, -129, -218, -327, -456?
-10*w**2 + w + 27
What is the x'th term of -260, -244, -214, -164, -88, 20?
x**3 + x**2 + 6*x - 268
What is the w'th term of 19, 33, 57, 97, 159, 249, 373, 537?
w**3 - w**2 + 10*w + 9
What is the r'th term of 26, 30, 32, 32, 30, 26?
-r**2 + 7*r + 20
What is the f'th term of -108, -236, -364?
-128*f + 20
What is the l'th term of -223, -205, -183, -157, -127?
2*l**2 + 12*l - 237
What is the y'th term of 478, 480, 482, 484, 486, 488?
2*y + 476
What is the a'th term of -4282, -4281, -4280, -4279?
a - 4283
What is the k'th term of 13, 45, 95, 163, 249?
9*k**2 + 5*k - 1
What is the d'th term of 67, 267, 599, 1063, 1659, 2387, 3247?
66*d**2 + 2*d - 1
What is the t'th term of -156, -103, -52, -3, 44, 89?
-t**2 + 56*t - 211
What is the c'th term of 1, 14, 15, 4, -19, -54?
-6*c**2 + 31*c - 24
What is the v'th term of 58, 63, 68?
5*v + 53
What is the j'th term of 4709, 4715, 4723, 4733, 4745, 4759?
j**2 + 3*j + 4705
What is the j'th term of 7, 6, 5, 4?
-j + 8
What is the d'th term of -1471, -2925, -4365, -5785, -7179?
d**3 + d**2 - 1464*d - 9
What is the j'th term of 21, 51, 81, 111?
30*j - 9
What is the t'th term of -131, -146, -175, -224, -299, -406, -551?
-t**3 - t**2 - 5*t - 124
What is the a'th term of -4835, -4833, -4833, -4835, -4839?
-a**2 + 5*a - 4839
What is the x'th term of -372, -370, -368?
2*x - 374
What is the i'th term of -1747, -3493, -5241, -6991, -8743?
-i**2 - 1743*i - 3
What is the r'th term of -243, -487, -729, -969, -1207, -1443?
r**2 - 247*r + 3
What is the s'th term of 266, 478, 690?
212*s + 54
What is the z'th term of -1, -3, -15, -43, -93, -171?
-z**3 + z**2 + 2*z - 3
What is the i'th term of 690, 1381, 2072, 2763, 3454, 4145?
691*i - 1
What is the s'th term of 1, -2, -7, -14, -23?
-s**2 + 2
What is the h'th term of 36, 93, 180, 291, 420, 561?
-h**3 + 21*h**2 + h + 15
What is the f'th term of -257, -254, -249, -242, -233, -222?
f**2 - 258
What is the i'th term of 79, 137, 259, 475, 815?
5*i**3 + 2*i**2 + 17*i + 55
What is the d'th term of 67446, 67445, 67444, 67443, 67442, 67441?
-d + 67447
What is the a'th term of -31, -22, 7, 68, 173, 334?
2*a**3 - 2*a**2 + a - 32
What is the q'th term of 15, 0, -49, -150, -321, -580, -945, -1434?
-3*q**3 + q**2 + 3*q + 14
What is the y'th term of -234, -915, -2056, -3663, -5742?
-y**3 - 224*y**2 - 2*y - 7
What is the k'th term of -231, -466, -701, -936, -1171?
-235*k + 4
What is the u'th term of 71, 210, 443, 770, 1191?
47*u**2 - 2*u + 26
What is the x'th term of 1, 5, 9, 13, 17, 21?
4*x - 3
What is the m'th term of -107, -111, -117, -125, -135, -147, -161?
-m**2 - m - 105
What is the q'th term of 97, 237, 377, 517, 657?
140*q - 43
What is the n'th term of -1, -20, -51, -94?
-6*n**2 - n + 6
What is the n'th term of -934, -1867, -2800, -3733, -4666, -5599?
-933*n - 1
What is the v'th term of -128, -119, -104, -83?
3*v**2 - 131
What is the n'th term of -60, 79, 310, 633?
46*n**2 + n - 107
What is the t'th term of -404, -403, -402, -401?
t - 405
What is the g'th term of 23, 48, 71, 92, 111?
-g**2 + 28*g - 4
What is the v'th term of -126, -125, -124, -123, -122, -121?
v - 127
What is the v'th term of -11, -57, -167, -371, -699, -1181, -1847?
-5*v**3 - 2*v**2 - 5*v + 1
What is the o'th term of 436, 405, 354, 283, 192, 81?
-10*o**2 - o + 447
What is the j'th term of 303, 610, 915, 1218, 1519, 1818?
-j**2 + 310*j - 6
What is the h'th term of 297, 596, 899, 1206, 1517, 1832?
2*h**2 + 293*h + 2
What is the z'th term of -28, -37, -40, -37, -28, -13, 8?
3*z**2 - 18*z - 13
What is the d'th term of 54, 215, 486, 867, 1358, 1959?
55*d**2 - 4*d + 3
What is the g'th term of 25, 46, 59, 64, 61, 50, 31?
-4*g**2 + 33*g - 4
What is the b'th term of -350, -697, -1038, -1373, -1702?
3*b**2 - 356*b + 3
What is the i'th term of 495, 999, 1503, 2007, 2511?
504*i - 9
What is the b'th term of -21, -33, -49, -69, -93, -121?
-2*b**2 - 6*b - 13
What is the n'th term of -3003, -12023, -27057, -48105, -75167, -108243?
-3007*n**2 + n + 3
What is the y'th term of 136, 266, 400, 538, 680, 826, 976?
2*y**2 + 124*y + 10
What is the y'th term of 145, 138, 131, 124, 117, 110?
-7*y + 152
What is the q'th term of 52, 8, -118, -368, -784, -1408, -2282, -3448?
-7*q**3 + q**2 + 2*q + 56
What is the d'th term of 32, 23, 8, -13, -40?
-3*d**2 + 35
What is the x'th term of 5, 28, 73, 146, 253, 400?
x**3 + 5*x**2 + x - 2
What is the z'th term of 294, 293, 292, 291, 290, 289?
-z + 295
What is the t'th term of -12, -26, -38, -48, -56?
t**2 - 17*t + 4
What is the j'th term of 62, 52, 36, 14, -14, -48?
-3*j**2 - j + 66
What is the d'th term of -555, -548, -529, -492, -431?
d**3 - 556
What is the n'th term of -186, -370, -550, -726, -898, -1066, -1230?
2*n**2 - 190*n + 2
What is the t'th term of -76, -153, -230?
-77*t + 1
What is the z'th term of 3090, 3088, 3086?
-2*z + 3092
What is the v'th term of 102, 135, 170, 207, 246?
v**2 + 30*v + 71
What is the x'th term of 5, 25, 55, 101, 169, 265, 395?
x**3 - x**2 + 16*x - 11
What is the t'th term of 4378, 8754, 13130, 17506, 21882, 26258?
4376*t + 2
What is the c'th term of 72, 96, 106, 96, 60?
-c**3 - c**2 + 34*c + 40
What is the g'th term of 2294, 2297, 2300, 2303?
3*g + 2291
What is the v'th term of 6, -1, -20, -57, -118?
-v**3 + 7
What is the c'th term of -545, -553, -565, -581, -601, -625, -653?
-2*c**2 - 2*c - 541
What is the w'th term of 7, 3, 1, 1, 3?
w**2 - 7*w + 13
What is the w'th term of 262, 539, 826, 1129, 1454, 1807?
w**3 - w**2 + 273*w - 11
What is the d'th term of -312, -403, -496, -591, -688?
-d**2 - 88*d - 223
What is the t'th term of 1, 34, 83, 142, 205, 266, 319, 358?
-t**3 + 14*t**2 - 2*t - 10
What is the o'th term of -899, -1789, -2687, -3599, -4531, -5489, -6479, -7507?
-o**3 + 2*o**2 - 889*o - 11
What is the g'th term of 0, 24, 64, 120, 192?
8*g**2 - 8
What is the k'th term of -24653, -24655, -24657, -24659, -24661?
-2*k - 24651
What is the a'th term of 39, 37, 43, 63, 103, 169?
a**3 - 2*a**2 - 3*a + 43
What is the u'th term of -2433, -2442, -2455, -2472?
-2*u**2 - 3*u - 2428
What is the r'th term of -3, 9, 21, 33, 45?
12*r - 15
What is the u'th term of 403, 400, 397?
-3*u + 406
What is the t'th term of 18, 23, 30, 39?
t**2 + 2*t + 15
What is the z'th term of -1060, -2130, -3200, -4270, -5340?
-1070*z + 10
What is the i'th term of 351, 387, 435, 501, 591, 711?
i**3 + 29*i + 321
What is the t'th term of 122, 132, 148, 170, 198?
3*t**2 + t + 118
What is the u'th term of 42, 68, 94?
26*u + 16
What is the y