A357513 - cp's OEIS frontend

A357513 a(n) = numerator of Sum_{k = 1..n} (1/k^3) * binomial(n,k)^2 * binomial(n+k,k)^2 for n >= 1 with a(0) = 0.

n	a(n)
0	0
1	4
2	81
3	14651
4	956875
5	1335793103
6	697621869
7	3929170277787
8	573290332967211
9	8235727724024089939
10	172296487023049395523
11	5032311952710217004416313
12	114828404520381550476341513
13	5947240175728534283432460589661
14	144126887537331651710781931325261

[0, 4, 81, 14651, 956875, 1335793103, 697621869, 3929170277787, 573290332967211, 8235727724024089939, 172296487023049395523, 5032311952710217004416313, 114828404520381550476341513, 5947240175728534283432460589661, 144126887537331651710781931325261]

cp's OEIS Frontend

A357513 a(n) = numerator of Sum_{k = 1..n} (1/k^3) * binomial(n,k)^2 * binomial(n+k,k)^2 for n >= 1 with a(0) = 0.

Table of values

List of values