n | a(n) |
---|---|
0 | 2 |
1 | 2 |
2 | 2 |
3 | 2 |
4 | 2 |
5 | 54 |
6 | 162 |
7 | 8310407949893763072 |
8 | 46438023168 |
9 | 65229815808 |
10 | 396718580736 |
11 | 629856 |
12 | 152461794335880672662217818112 |
[2,2,2,2,2,54,162,8310407949893763072,46438023168, 65229815808,396718580736,629856, 152461794335880672662217818112] |