n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 8 |
3 | 48 |
4 | 528 |
5 | 6240 |
6 | 95040 |
7 | 1632960 |
8 | 32578560 |
9 | 725760000 |
10 | 18027878400 |
11 | 491774976000 |
12 | 14645952921600 |
13 | 472356889804800 |
14 | 16409046682828800 |
15 | 610694391250944000 |
16 | 24244324628299776000 |
17 | 1022626965270822912000 |
[1,1,8,48,528,6240,95040,1632960,32578560, 725760000,18027878400,491774976000,14645952921600, 472356889804800,16409046682828800, 610694391250944000,24244324628299776000, 1022626965270822912000] |