n | a(n) |
---|---|
1 | 0 |
2 | 12 |
3 | 66 |
4 | 468 |
5 | 3612 |
6 | 40020 |
7 | 601368 |
8 | 12473568 |
9 | 355574028 |
10 | 13968754800 |
11 | 756926837340 |
12 | 56646343727400 |
13 | 5861182843734528 |
14 | 839281074844449036 |
15 | 166460255072308752300 |
16 | 45762947464712474066844 |
[0,12,66,468,3612,40020,601368,12473568,355574028, 13968754800,756926837340,56646343727400, 5861182843734528,839281074844449036, 166460255072308752300,45762947464712474066844] |