n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 12 |
5 | -60 |
6 | 210 |
7 | -1260 |
8 | 14448 |
9 | -139104 |
10 | 1131720 |
11 | -11676720 |
12 | 163234632 |
13 | -2192512608 |
14 | 27259115520 |
15 | -393931268640 |
16 | 6898028418048 |
17 | -119527801113984 |
18 | 1985315996055744 |
19 | -36767841202329984 |
[1,0,0,0,12,-60,210,-1260,14448,-139104,1131720, -11676720,163234632,-2192512608,27259115520, -393931268640,6898028418048,-119527801113984, 1985315996055744,-36767841202329984] |