A347856 - cp's OEIS frontend

A347856 a(n) = (6n)!/((4n)!n!) (n/2)!/(3*n/2)!.

n	a(n)
0	1
1	20
2	990
3	56576
4	3432198
5	215147520
6	13768454700
7	893768826880
8	58626071754822
9	3876225891958784
10	257898242928604740
11	17245961314149335040
12	1158088115444301759900
13	78040346182201091555328

[1, 20, 990, 56576, 3432198, 215147520, 13768454700, 893768826880, 58626071754822, 3876225891958784, 257898242928604740, 17245961314149335040, 1158088115444301759900, 78040346182201091555328]

cp's OEIS Frontend

A347856 a(n) = (6n)!/((4n)!n!) (n/2)!/(3*n/2)!.

Table of values

List of values

cp's OEIS Frontend

A347856 a(n) = (6*n)!/((4*n)!*n!) * (n/2)!/(3*n/2)!.

Table of values

List of values

A347856 a(n) = (6n)!/((4n)!n!) (n/2)!/(3*n/2)!.