n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 16 |
3 | 384 |
4 | 17856 |
5 | 13492992 |
6 | 11507268608 |
7 | 160888878129152 |
8 | 2306486569154275328 |
9 | 537309590223329223155712 |
10 | 126767209261235580163634135040 |
11 | 483356141899716284828508078471905280 |
[1,4,16,384,17856,13492992,11507268608, 160888878129152,2306486569154275328, 537309590223329223155712, 126767209261235580163634135040, 483356141899716284828508078471905280] |