n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | -2 |
3 | 24 |
4 | -272 |
5 | 4840 |
6 | -107496 |
7 | 2934400 |
8 | -94501760 |
9 | 3511914624 |
10 | -147882696960 |
11 | 6959217277056 |
12 | -361941871760256 |
13 | 20616017227643136 |
14 | -1276341094954066176 |
15 | 85337532623368181760 |
16 | -6128269375791673718784 |
17 | 470426144496265208979456 |
[1,2,-2,24,-272,4840,-107496,2934400,-94501760, 3511914624,-147882696960,6959217277056, -361941871760256,20616017227643136, -1276341094954066176,85337532623368181760, -6128269375791673718784,470426144496265208979456] |