A370056 - cp's OEIS frontend

A370056 a(n) = 2(4n+1)!/(3*n+2)!.

n	a(n)
0	1
1	2
2	18
3	312
4	8160
5	287280
6	12751200
7	684028800
8	43062243840
9	3113350732800
10	254265345734400
11	23153103246873600
12	2326025084653670400
13	255579097716214272000
14	30491180727539051520000
15	3925248256199788277760000
16	542357159056633603178496000

[1, 2, 18, 312, 8160, 287280, 12751200, 684028800, 43062243840, 3113350732800, 254265345734400, 23153103246873600, 2326025084653670400, 255579097716214272000, 30491180727539051520000, 3925248256199788277760000, 542357159056633603178496000]

cp's OEIS Frontend

A370056 a(n) = 2(4n+1)!/(3*n+2)!.

Table of values

List of values

cp's OEIS Frontend

A370056 a(n) = 2*(4*n+1)!/(3*n+2)!.

Table of values

List of values

A370056 a(n) = 2(4n+1)!/(3*n+2)!.