n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 400 |
3 | 121680000 |
4 | 281324160000000000 |
5 | 15539794609114833408000000000000 |
6 | 49933566483104048708063697937367040000000000000000 |
7 | 19323883089768863178599626514889213871887405416448000000000000000000000000 |
[1,2,400,121680000,281324160000000000, 15539794609114833408000000000000, 49933566483104048708063697937367040000000000000000\ , 19323883089768863178599626514889213871887405416448\ 000000000000000000000000] |