n | a(n) |
---|---|
0 | 1 |
1 | 720 |
2 | 3246670537110000 |
3 | 101097362223624462291180422369532000000 |
4 | 11820969246826954556547676599863670334721199951925900837836206749590000 |
[1,720,3246670537110000, 101097362223624462291180422369532000000, 11820969246826954556547676599863670334721199951925\ 900837836206749590000] |