n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 12 |
3 | -296 |
4 | -25200 |
5 | -1885952 |
6 | -163728576 |
7 | -16916558720 |
8 | -2050105730816 |
9 | -282656394482688 |
10 | -42100913802486784 |
11 | -6025333851231979520 |
12 | -461235714949468024832 |
13 | 265243699159867430764544 |
[1,4,12,-296,-25200,-1885952,-163728576, -16916558720,-2050105730816,-282656394482688, -42100913802486784,-6025333851231979520, -461235714949468024832,265243699159867430764544] |