A262732 - cp's OEIS frontend

A262732 a(n) = (1/n!) * (5n)!/(5n/2)! * (3n/2)!/(3n)!.

n	a(n)
0	1
1	8
2	126
3	2240
4	41990
5	811008
6	15967980
7	318636032
8	6421422150
9	130395668480
10	2663825039876
11	54684895150080
12	1127155102890908
13	23311847679590400
14	483537022180231320
15	10054732930602762240
16	209536624110664757830
17	4375058594685417160704
18	91505601042318156186900

[1, 8, 126, 2240, 41990, 811008, 15967980, 318636032, 6421422150, 130395668480, 2663825039876, 54684895150080, 1127155102890908, 23311847679590400, 483537022180231320, 10054732930602762240, 209536624110664757830, 4375058594685417160704, 91505601042318156186900]

cp's OEIS Frontend

A262732 a(n) = (1/n!) * (5n)!/(5n/2)! * (3n/2)!/(3n)!.

Table of values

List of values

cp's OEIS Frontend

A262732 a(n) = (1/n!) * (5*n)!/(5*n/2)! * (3*n/2)!/(3*n)!.

Table of values

List of values

A262732 a(n) = (1/n!) * (5n)!/(5n/2)! * (3n/2)!/(3n)!.