A248709 - cp's OEIS frontend

A248709 a(n) = f(5n)/(f(n-2)f(n-1)f(n)f(n+1)*f(n+2)), where f(k) = k!.

n	a(n)
2	12600
3	37837800
4	97772875200
5	247365374256000
6	629483036137956000
7	1621828071329658192000
8	4234824783966213204768000
9	11198994141198650820008976000
10	29959571750765218953790679280000
11	80980722442318386832096206093840000
12	220917676017677910841226480887103040000

[12600, 37837800, 97772875200, 247365374256000, 629483036137956000, 1621828071329658192000, 4234824783966213204768000, 11198994141198650820008976000, 29959571750765218953790679280000, 80980722442318386832096206093840000, 220917676017677910841226480887103040000]

cp's OEIS Frontend

A248709 a(n) = f(5n)/(f(n-2)f(n-1)f(n)f(n+1)*f(n+2)), where f(k) = k!.

Table of values

List of values

cp's OEIS Frontend

A248709 a(n) = f(5*n)/(f(n-2)*f(n-1)*f(n)*f(n+1)*f(n+2)), where f(k) = k!.

Table of values

List of values

A248709 a(n) = f(5n)/(f(n-2)f(n-1)f(n)f(n+1)*f(n+2)), where f(k) = k!.