n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 10 |
3 | 100 |
4 | 2800 |
5 | 229600 |
6 | 56022400 |
7 | 40896352000 |
8 | 89481218176000 |
9 | 587175753670912000 |
10 | 11557967535258231808000 |
11 | 682497982956998588262400000 |
12 | 120903152684866385913507635200000 |
[1,3,10,100,2800,229600,56022400,40896352000, 89481218176000,587175753670912000, 11557967535258231808000, 682497982956998588262400000, 120903152684866385913507635200000] |