n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 24 |
3 | 40320 |
4 | 20922789888000 |
5 | 263130836933693530167218012160000000 |
6 | 126886932185884164103433389335161480802865516174545192198801894375214704230400000000000000 |
[1,2,24,40320,20922789888000, 263130836933693530167218012160000000, 12688693218588416410343338933516148080286551617454\ 5192198801894375214704230400000000000000] |