n | a(n) |
---|---|
1 | 2 |
2 | 2 |
3 | 12 |
4 | 144 |
5 | 1440 |
6 | 20160 |
7 | 282240 |
8 | 4838400 |
9 | 87091200 |
10 | 1799884800 |
11 | 39597465600 |
12 | 965667225600 |
13 | 25107347865600 |
14 | 708585150873600 |
15 | 21257554526208000 |
16 | 682919861944320000 |
17 | 23219275306106880000 |
[2,2,12,144,1440,20160,282240,4838400,87091200, 1799884800,39597465600,965667225600, 25107347865600,708585150873600,21257554526208000, 682919861944320000,23219275306106880000] |