n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 60 |
4 | 10500 |
5 | 18522000 |
6 | 359400888000 |
7 | 81408613942656000 |
8 | 224737840779305293440000 |
9 | 7812628980363223707442752000000 |
10 | 3508978524227146242839564498172672000000 |
[1,3,60,10500,18522000,359400888000, 81408613942656000,224737840779305293440000, 7812628980363223707442752000000, 3508978524227146242839564498172672000000] |