n | a(n) |
---|---|
1 | 0 |
2 | 4 |
3 | 120 |
4 | 3596 |
5 | 107760 |
6 | 3229204 |
7 | 96768360 |
8 | 2899821596 |
9 | 86897879520 |
10 | 2604036564004 |
11 | 78034199040600 |
12 | 2338421934653996 |
13 | 70074623840579280 |
14 | 2099900293282724404 |
15 | 62926934174641152840 |
16 | 1885708124945951860796 |
[0,4,120,3596,107760,3229204,96768360,2899821596, 86897879520,2604036564004,78034199040600, 2338421934653996,70074623840579280, 2099900293282724404,62926934174641152840, 1885708124945951860796] |