n | a(n) |
---|---|
1 | 3 |
2 | 40 |
3 | 1008 |
4 | 5702400 |
5 | 566092800 |
6 | 27360571392000 |
7 | 7155594141696000 |
8 | 1360632459941314560000 |
9 | 384424434510421824110592000000 |
10 | 283546160488893890266398720000000 |
[3,40,1008,5702400,566092800,27360571392000, 7155594141696000,1360632459941314560000, 384424434510421824110592000000, 283546160488893890266398720000000] |