A329107 - cp's OEIS frontend

A329107 a(n) = (Sum_{k=0..n-1}(840k+197)(-1)^k2430^(n-1-k)T_k(8,1)T_k(5,-5)^2)/(n5^(n-1)), where T_k(b,c) denotes the coefficient of x^k in the expansion of (x^2+bx+c)^k.

n	a(n)
1	197
2	27131
3	9162090
4	3337679905
5	1300603606702
6	526423563257310
7	219304133423593380
8	93259079677243221345
9	40287972095635400291790
10	17621949843841860346761946
11	7785698346885200295051911308
12	3468528609790576968835453926954
13	1556035297261133424003013368953900

[197, 27131, 9162090, 3337679905, 1300603606702, 526423563257310, 219304133423593380, 93259079677243221345, 40287972095635400291790, 17621949843841860346761946, 7785698346885200295051911308, 3468528609790576968835453926954, 1556035297261133424003013368953900]

cp's OEIS Frontend

A329107 a(n) = (Sum_{k=0..n-1}(840k+197)(-1)^k2430^(n-1-k)T_k(8,1)T_k(5,-5)^2)/(n5^(n-1)), where T_k(b,c) denotes the coefficient of x^k in the expansion of (x^2+bx+c)^k.

Table of values

List of values

cp's OEIS Frontend

A329107 a(n) = (Sum_{k=0..n-1}(840*k+197)(-1)^k*2430^(n-1-k)*T_k(8,1)*T_k(5,-5)^2)/(n*5^(n-1)), where T_k(b,c) denotes the coefficient of x^k in the expansion of (x^2+b*x+c)^k.

Table of values

List of values

A329107 a(n) = (Sum_{k=0..n-1}(840k+197)(-1)^k2430^(n-1-k)T_k(8,1)T_k(5,-5)^2)/(n5^(n-1)), where T_k(b,c) denotes the coefficient of x^k in the expansion of (x^2+bx+c)^k.