n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 6 |
3 | 108 |
4 | 1080 |
5 | 14256 |
6 | 163296 |
7 | 2006208 |
8 | 23794560 |
9 | 287214336 |
10 | 3436494336 |
11 | 41298398208 |
12 | 495217981440 |
13 | 5944792559616 |
14 | 71324450021376 |
15 | 855971764420608 |
16 | 10271190988062720 |
17 | 123257112966660096 |
18 | 1479068428940476416 |
[0,1,6,108,1080,14256,163296,2006208,23794560, 287214336,3436494336,41298398208,495217981440, 5944792559616,71324450021376,855971764420608, 10271190988062720,123257112966660096, 1479068428940476416] |