n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 48 |
3 | 414720 |
4 | 270888468480000 |
5 | 30900096179361042923520000000000 |
6 | 1848494880770448654906901042987600267878400000000000000000000 |
[1,2,48,414720,270888468480000, 30900096179361042923520000000000, 18484948807704486549069010429876002678784000000000\ 00000000000] |