n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 48 |
3 | 720 |
4 | 50400 |
5 | 665280 |
6 | 43243200 |
7 | 2205403200 |
8 | 293318625600 |
9 | 26985313555200 |
10 | 782574093100800 |
11 | 72779390658374400 |
12 | 8976124847866176000 |
13 | 368021118762513216000 |
14 | 52222196752400625350400 |
15 | 2454443247362829391468800 |
16 | 1691111397432989450722003200 |
[1,4,48,720,50400,665280,43243200,2205403200, 293318625600,26985313555200,782574093100800, 72779390658374400,8976124847866176000, 368021118762513216000,52222196752400625350400, 2454443247362829391468800, 1691111397432989450722003200] |