n | a(n) |
---|---|
0 | 1 |
1 | 12 |
2 | 126 |
3 | 1344 |
4 | 15120 |
5 | 181440 |
6 | 2328480 |
7 | 31933440 |
8 | 467026560 |
9 | 7264857600 |
10 | 119870150400 |
11 | 2092278988800 |
12 | 38532804710400 |
13 | 746943599001600 |
14 | 15205637551104000 |
15 | 324386934423552000 |
16 | 7237883474325504000 |
17 | 168600109166641152000 |
18 | 4093235983656787968000 |
[1,12,126,1344,15120,181440,2328480,31933440, 467026560,7264857600,119870150400,2092278988800, 38532804710400,746943599001600,15205637551104000, 324386934423552000,7237883474325504000, 168600109166641152000,4093235983656787968000] |