n | a(n) |
---|---|
1 | 1 |
2 | 60 |
3 | 50580 |
4 | 598507920 |
5 | 99407416968000 |
6 | 231753101877188629380 |
7 | 7583858300260627032845531520 |
8 | 3483475434832751291309593655505225600 |
9 | 22459143127863154464679826472043109609252549520 |
[1,60,50580,598507920,99407416968000, 231753101877188629380, 7583858300260627032845531520, 3483475434832751291309593655505225600, 22459143127863154464679826472043109609252549520] |