A037964 - cp's OEIS frontend

A037964 a(n) = (1/2)(binomial(4n, 2n) - (-1)^nbinomial(2*n,n)).

n	a(n)
0	0
1	4
2	32
3	472
4	6400
5	92504
6	1351616
7	20060016
8	300533760
9	4537591960
10	68923172032
11	1052049834576
12	16123800489472
13	247959271674352
14	3824345280321920
15	59132290859989472
16	916312070170755072

[0, 4, 32, 472, 6400, 92504, 1351616, 20060016, 300533760, 4537591960, 68923172032, 1052049834576, 16123800489472, 247959271674352, 3824345280321920, 59132290859989472, 916312070170755072]

cp's OEIS Frontend

A037964 a(n) = (1/2)(binomial(4n, 2n) - (-1)^nbinomial(2*n,n)).

Table of values

List of values

cp's OEIS Frontend

A037964 a(n) = (1/2)*(binomial(4*n, 2*n) - (-1)^n*binomial(2*n,n)).

Table of values

List of values

A037964 a(n) = (1/2)(binomial(4n, 2n) - (-1)^nbinomial(2*n,n)).