A361886 - cp's OEIS frontend

A361886 a(n) = (1/n) * Sum_{k = 0..2n} (-1)^k (n+2k) binomial(n+k-1,k)^3.

n	a(n)
1	3
2	435
3	79464
4	16551315
5	3732732003
6	887492378136
7	219081875199120
8	55618197870142611
9	14429522546341842225
10	3808899907812064500435
11	1019705941257612879722400
12	276212555234100323977483800
13	75563424471884688135891640224

[3, 435, 79464, 16551315, 3732732003, 887492378136, 219081875199120, 55618197870142611, 14429522546341842225, 3808899907812064500435, 1019705941257612879722400, 276212555234100323977483800, 75563424471884688135891640224]

cp's OEIS Frontend

A361886 a(n) = (1/n) * Sum_{k = 0..2n} (-1)^k (n+2k) binomial(n+k-1,k)^3.

Table of values

List of values

cp's OEIS Frontend

A361886 a(n) = (1/n) * Sum_{k = 0..2*n} (-1)^k * (n+2*k) * binomial(n+k-1,k)^3.

Table of values

List of values

A361886 a(n) = (1/n) * Sum_{k = 0..2n} (-1)^k (n+2k) binomial(n+k-1,k)^3.