n | a(n) |
---|---|
1 | 0 |
2 | 12 |
3 | 2484 |
4 | 1557792 |
5 | 2560572000 |
6 | 9326330280000 |
7 | 66250877823900000 |
8 | 834917902101803520000 |
9 | 17373747843395915811840000 |
10 | 564479089176417832085760000000 |
11 | 27382950623629177584815808000000000 |
12 | 1912097851374544604017590025267200000000 |
13 | 186429568131038636125345650494922854400000000 |
[0,12,2484,1557792,2560572000,9326330280000, 66250877823900000,834917902101803520000, 17373747843395915811840000, 564479089176417832085760000000, 27382950623629177584815808000000000, 1912097851374544604017590025267200000000, 186429568131038636125345650494922854400000000] |