n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 24 |
5 | 480 |
6 | 10080 |
7 | 262080 |
8 | 8104320 |
9 | 287400960 |
10 | 11496038400 |
11 | 512691379200 |
12 | 25231888281600 |
13 | 1358412133478400 |
14 | 79419074570035200 |
15 | 5011102330730496000 |
16 | 339416862385176576000 |
17 | 24564200609223475200000 |
[0,0,0,0,24,480,10080,262080,8104320,287400960, 11496038400,512691379200,25231888281600, 1358412133478400,79419074570035200, 5011102330730496000,339416862385176576000, 24564200609223475200000] |