A347854 - cp's OEIS frontend

A347854 a(n) = (6n)!/((3n)!(2n)!) * (n/2)!/(3*n/2)!.

n	a(n)
0	1
1	40
2	4620
3	622336
4	89237148
5	13236695040
6	2005604901300
7	308350245273600
8	47913489552349980
9	7505566011722039296
10	1183237138556438547120
11	187495217080545878999040
12	29836408028165719837829700
13	4764790302634058161217077248

[1, 40, 4620, 622336, 89237148, 13236695040, 2005604901300, 308350245273600, 47913489552349980, 7505566011722039296, 1183237138556438547120, 187495217080545878999040, 29836408028165719837829700, 4764790302634058161217077248]

cp's OEIS Frontend

A347854 a(n) = (6n)!/((3n)!(2n)!) * (n/2)!/(3*n/2)!.

Table of values

List of values

cp's OEIS Frontend

A347854 a(n) = (6*n)!/((3*n)!*(2*n)!) * (n/2)!/(3*n/2)!.

Table of values

List of values

A347854 a(n) = (6n)!/((3n)!(2n)!) * (n/2)!/(3*n/2)!.