n | a(n) |
---|---|
0 | 1 |
1 | 30 |
2 | 37800 |
3 | 1755432000 |
4 | 2946176634240000 |
5 | 178121125423535616000000 |
6 | 387722609071165087097978880000000 |
7 | 30383449623465746081582327522446540800000000 |
[1,30,37800,1755432000,2946176634240000, 178121125423535616000000, 387722609071165087097978880000000, 30383449623465746081582327522446540800000000] |