n | a(n) |
---|---|
2 | 1 |
3 | 70 |
4 | 16800 |
5 | 9238320 |
6 | 9520156800 |
7 | 16305064776000 |
8 | 42856575521760000 |
9 | 163329351308323200000 |
10 | 864876880105205071104000 |
11 | 6155146233167046820024320000 |
12 | 57316399761348433188962519040000 |
[1,70,16800,9238320,9520156800,16305064776000, 42856575521760000,163329351308323200000, 864876880105205071104000, 6155146233167046820024320000, 57316399761348433188962519040000] |