n | a(n) |
---|---|
1 | 1 |
2 | 12 |
3 | 720 |
4 | 107520 |
5 | 30240000 |
6 | 13795246080 |
7 | 9302892318720 |
8 | 8706006083174400 |
9 | 10801536141415219200 |
10 | 17163329863680000000000 |
11 | 33994996578425904640819200 |
12 | 82126085558902590463908249600 |
13 | 237708952408715572102802964480000 |
14 | 812136157489332816782291600670720000 |
[1,12,720,107520,30240000,13795246080, 9302892318720,8706006083174400, 10801536141415219200,17163329863680000000000, 33994996578425904640819200, 82126085558902590463908249600, 237708952408715572102802964480000, 812136157489332816782291600670720000] |