n | a(n) |
---|---|
1 | 2 |
2 | 24 |
3 | 20922789888000 |
4 | 2432902008176640000 |
5 | 25852016738884976640000 |
6 | 265252859812191058636308480000000 |
7 | 263130836933693530167218012160000000 |
[2,24,20922789888000,2432902008176640000, 25852016738884976640000, 265252859812191058636308480000000, 263130836933693530167218012160000000] |