A002671 - cp's OEIS frontend

A002671 a(n) = 4^n(2n+1)!.

n	a(n)
0	1
1	24
2	1920
3	322560
4	92897280
5	40874803200
6	25505877196800
7	21424936845312000
8	23310331287699456000
9	31888533201572855808000
10	53572735778642397757440000
11	108431217215972213061058560000

[1, 24, 1920, 322560, 92897280, 40874803200, 25505877196800, 21424936845312000, 23310331287699456000, 31888533201572855808000, 53572735778642397757440000, 108431217215972213061058560000]

cp's OEIS Frontend

A002671 a(n) = 4^n(2n+1)!.

Table of values

List of values

cp's OEIS Frontend

A002671 a(n) = 4^n*(2*n+1)!.

Table of values

List of values

A002671 a(n) = 4^n(2n+1)!.