The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 24 |
| 2 | 10080 |
| 3 | 15966720 |
| 4 | 62270208000 |
| 5 | 482718652416000 |
| 6 | 6528287055273984000 |
| 7 | 141011000393918054400000 |
| 8 | 4563680016748763912601600000 |
| 9 | 210842016773792892762193920000000 |
[1,24,10080,15966720,62270208000,482718652416000, 6528287055273984000,141011000393918054400000, 4563680016748763912601600000, 210842016773792892762193920000000] |