n | a(n) |
---|---|
1 | 0 |
2 | 72 |
3 | 14976 |
4 | 7876728 |
5 | 12712991544 |
6 | 67475902622400 |
7 | 1217128601064427992 |
8 | 75996953900646817459320 |
9 | 16613624242885262049626796576 |
[0,72,14976,7876728,12712991544,67475902622400, 1217128601064427992,75996953900646817459320, 16613624242885262049626796576] |