n | a(n) |
---|---|
0 | 0 |
1 | 2 |
2 | 8 |
3 | 368 |
4 | 18048 |
5 | 1827072 |
6 | 253363200 |
7 | 50403563520 |
8 | 13158813696000 |
9 | 4414765984972800 |
10 | 1841972633056051200 |
11 | 936689336904269168640 |
12 | 569861032837432328847360 |
13 | 408713488929007199437455360 |
[0,2,8,368,18048,1827072,253363200,50403563520, 13158813696000,4414765984972800, 1841972633056051200,936689336904269168640, 569861032837432328847360, 408713488929007199437455360] |