n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 16 |
3 | 20736 |
4 | 6879707136 |
5 | 1426576071720960000 |
6 | 383375999244747512217600000000 |
7 | 247370021455402476126653493805056000000000000 |
[1,1,16,20736,6879707136,1426576071720960000, 383375999244747512217600000000, 247370021455402476126653493805056000000000000] |