n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 24 |
4 | 192 |
5 | 600 |
6 | 15840 |
7 | 211680 |
8 | 1612800 |
9 | 43545600 |
10 | 961632000 |
11 | 11416204800 |
12 | 365957222400 |
13 | 10766518963200 |
14 | 191617884057600 |
15 | 6758061133824000 |
16 | 254086360399872000 |
17 | 6058779650187264000 |
18 | 241382293453357056000 |
[1,2,24,192,600,15840,211680,1612800,43545600, 961632000,11416204800,365957222400,10766518963200, 191617884057600,6758061133824000, 254086360399872000,6058779650187264000, 241382293453357056000] |