A327882 - cp's OEIS frontend

A327882 a(n) = n(2(n-1))! for n > 0, a(0) = 1.

n	a(n)
0	1
1	1
2	4
3	72
4	2880
5	201600
6	21772800
7	3353011200
8	697426329600
9	188305108992000
10	64023737057280000
11	26761922089943040000
12	13488008733331292160000
13	8065829222532112711680000
14	5646080455772478898176000000
15	4573325169175707907522560000000
16	4244045756995056938180935680000000

[1, 1, 4, 72, 2880, 201600, 21772800, 3353011200, 697426329600, 188305108992000, 64023737057280000, 26761922089943040000, 13488008733331292160000, 8065829222532112711680000, 5646080455772478898176000000, 4573325169175707907522560000000, 4244045756995056938180935680000000]

cp's OEIS Frontend

A327882 a(n) = n(2(n-1))! for n > 0, a(0) = 1.

Table of values

List of values

cp's OEIS Frontend

A327882 a(n) = n*(2*(n-1))! for n > 0, a(0) = 1.

Table of values

List of values

A327882 a(n) = n(2(n-1))! for n > 0, a(0) = 1.