A364507 - cp's OEIS frontend

A364507 a(n) = (5n)!(4n)! / ((3n)!^2 * (2n)! n!).

n	a(n)
0	1
1	40
2	5880
3	1101100
4	229265400
5	50678855040
6	11641642112100
7	2746924727976000
8	661097260785195000
9	161538994454795003200
10	39949572934939198410880
11	9976687616280042928424700
12	2511716999955421326631644900
13	636662322699394050738883008000

[1, 40, 5880, 1101100, 229265400, 50678855040, 11641642112100, 2746924727976000, 661097260785195000, 161538994454795003200, 39949572934939198410880, 9976687616280042928424700, 2511716999955421326631644900, 636662322699394050738883008000]

cp's OEIS Frontend

A364507 a(n) = (5n)!(4n)! / ((3n)!^2 * (2n)! n!).

Table of values

List of values

cp's OEIS Frontend

A364507 a(n) = (5*n)!*(4*n)! / ((3*n)!^2 * (2*n)! * n!).

Table of values

List of values

A364507 a(n) = (5n)!(4n)! / ((3n)!^2 * (2n)! n!).