|
| |
|
|
A024420
|
|
n!(1/binomial(n,0) - 1/binomial(n,1) + ... + d/binomial(n,[ n/2 ])), where d = (-1)^[ n/2 ].
|
|
0
| |
|
|
1, 1, 1, 4, 22, 108, 612, 4416, 36576, 331200, 3319200, 36806400, 445046400, 5813579520, 81716947200, 1230656716800, 19761225523200, 336973967769600
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|
