n | a(n) |
---|---|
3 | 6 |
4 | 96 |
5 | 1200 |
6 | 14400 |
7 | 176400 |
8 | 2257920 |
9 | 30481920 |
10 | 435456000 |
11 | 6586272000 |
12 | 105380352000 |
13 | 1780927948800 |
14 | 31732897996800 |
15 | 594991837440000 |
16 | 11716762337280000 |
17 | 241867451105280000 |
18 | 5224336943874048000 |
19 | 117874102296158208000 |
20 | 2773508289321369600000 |
[6,96,1200,14400,176400,2257920,30481920, 435456000,6586272000,105380352000,1780927948800, 31732897996800,594991837440000,11716762337280000, 241867451105280000,5224336943874048000, 117874102296158208000,2773508289321369600000] |