A336981 - cp's OEIS frontend

A336981 a(n) = (Sum_{k=0..n-1} (4290k + 367)3136^(n-1-k)C(2k, k)T_k(14, 1)T_k(17, 16)) / (nC(2n-1, n-1)), where T_k(b, c) denotes the coefficient of x^k in the expansion of (x^2 + b*x + c)^k.

n	a(n)
1	367
2	561274
3	465761738
4	347992898596
5	253672374192058
6	184472558346073676
7	134741252587315803972
8	99021561483595207492616
9	73215620625604449084882202
10	54432892306811842643034599356
11	40662211372552333974451185020716
12	30499994580401713594837984852435832

[367, 561274, 465761738, 347992898596, 253672374192058, 184472558346073676, 134741252587315803972, 99021561483595207492616, 73215620625604449084882202, 54432892306811842643034599356, 40662211372552333974451185020716, 30499994580401713594837984852435832]

cp's OEIS Frontend

A336981 a(n) = (Sum_{k=0..n-1} (4290k + 367)3136^(n-1-k)C(2k, k)T_k(14, 1)T_k(17, 16)) / (nC(2n-1, 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

cp's OEIS Frontend

A336981 a(n) = (Sum_{k=0..n-1} (4290*k + 367)*3136^(n-1-k)*C(2*k, k)*T_k(14, 1)*T_k(17, 16)) / (n*C(2*n-1, 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

A336981 a(n) = (Sum_{k=0..n-1} (4290k + 367)3136^(n-1-k)C(2k, k)T_k(14, 1)T_k(17, 16)) / (nC(2n-1, n-1)), where T_k(b, c) denotes the coefficient of x^k in the expansion of (x^2 + b*x + c)^k.