n | a(n) |
---|---|
1 | 1 |
2 | -1 |
3 | 3 |
4 | -13 |
5 | 77 |
6 | -576 |
7 | 5219 |
8 | -55567 |
9 | 680028 |
10 | -9405302 |
11 | 145067040 |
12 | -2468571128 |
13 | 45936991110 |
14 | -927915150852 |
15 | 20219040931738 |
16 | -472697857817078 |
17 | 11801903989774760 |
18 | -313395752536945568 |
19 | 8819464678850030936 |
20 | -262185434197432956664 |
21 | 8210080944919085511680 |
[1,-1,3,-13,77,-576,5219,-55567,680028,-9405302, 145067040,-2468571128,45936991110,-927915150852, 20219040931738,-472697857817078,11801903989774760, -313395752536945568,8819464678850030936, -262185434197432956664,8210080944919085511680] |