n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 2 |
3 | 12 |
4 | 168 |
5 | 2880 |
6 | 64080 |
7 | 1723680 |
8 | 54633600 |
9 | 1992936960 |
10 | 82261267200 |
11 | 3790579161600 |
12 | 192895381324800 |
13 | 10744251136819200 |
14 | 650181362358528000 |
15 | 42476922345521664000 |
16 | 2979716339168464896000 |
17 | 223385082959833546752000 |
[0,0,2,12,168,2880,64080,1723680,54633600, 1992936960,82261267200,3790579161600, 192895381324800,10744251136819200, 650181362358528000,42476922345521664000, 2979716339168464896000,223385082959833546752000] |