A352652 - cp's OEIS frontend

A352652 a(n) = ( binomial(7n,2n)binomial(7n/2,2n)binomial(2n,n)^2 ) / binomial(7n/2,n)^2.

n	a(n)
0	1
1	30
2	2860
3	343200
4	45643500
5	6435891280
6	942422020540
7	141696569678400
8	21724714133822700
9	3381208130986900500
10	532553441617598475360
11	84695057996350934903680
12	13578009523892192555221500
13	2191530567314796197691108600
14	355765014009052303028935320000

[1, 30, 2860, 343200, 45643500, 6435891280, 942422020540, 141696569678400, 21724714133822700, 3381208130986900500, 532553441617598475360, 84695057996350934903680, 13578009523892192555221500, 2191530567314796197691108600, 355765014009052303028935320000]

cp's OEIS Frontend

A352652 a(n) = ( binomial(7n,2n)binomial(7n/2,2n)binomial(2n,n)^2 ) / binomial(7n/2,n)^2.

Table of values

List of values

cp's OEIS Frontend

A352652 a(n) = ( binomial(7*n,2*n)*binomial(7*n/2,2*n)*binomial(2*n,n)^2 ) / binomial(7*n/2,n)^2.

Table of values

List of values

A352652 a(n) = ( binomial(7n,2n)binomial(7n/2,2n)binomial(2n,n)^2 ) / binomial(7n/2,n)^2.