n | a(n) |
---|---|
1 | 1 |
2 | -4 |
3 | 40 |
4 | -656 |
5 | 15008 |
6 | -440896 |
7 | 15821440 |
8 | -670763264 |
9 | 32806349312 |
10 | -1818238034944 |
11 | 112618994575360 |
12 | -7709249275990016 |
13 | 577965256979161088 |
14 | -47096523207273496576 |
15 | 4144654003816138178560 |
16 | -391753493233853247586304 |
[1,-4,40,-656,15008,-440896,15821440,-670763264, 32806349312,-1818238034944,112618994575360, -7709249275990016,577965256979161088, -47096523207273496576,4144654003816138178560, -391753493233853247586304] |