A336982 - cp's OEIS frontend

A336982 a(n) = (Sum_{k=0..n-1}(540k + 137)3136^(n-1-k)C(2k, k)T_k(2, 81)T_k(14, 81))/ (2nC(2n, n)), where T_k(b, c) denotes the coefficient of x^k in the expansion of (x^2 + bx + c)^k.

n	a(n)
2	19481
3	15834677
4	11228057204
5	8565432196217
6	6307725016636484
7	4757142559658418068
8	3551514651027481311824
9	2677076362952455673170913
10	2013177974581354357341976964
11	1521087748999864267161031319444
12	1149516234275305699460970109062608

[19481, 15834677, 11228057204, 8565432196217, 6307725016636484, 4757142559658418068, 3551514651027481311824, 2677076362952455673170913, 2013177974581354357341976964, 1521087748999864267161031319444, 1149516234275305699460970109062608]

cp's OEIS Frontend

A336982 a(n) = (Sum_{k=0..n-1}(540k + 137)3136^(n-1-k)C(2k, k)T_k(2, 81)T_k(14, 81))/ (2nC(2n, n)), 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

A336982 a(n) = (Sum_{k=0..n-1}(540*k + 137)*3136^(n-1-k)*C(2*k, k)*T_k(2, 81)*T_k(14, 81))/ (2*n*C(2*n, n)), 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

A336982 a(n) = (Sum_{k=0..n-1}(540k + 137)3136^(n-1-k)C(2k, k)T_k(2, 81)T_k(14, 81))/ (2nC(2n, n)), where T_k(b, c) denotes the coefficient of x^k in the expansion of (x^2 + bx + c)^k.