n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 0 |
4 | -12 |
5 | -60 |
6 | 32 |
7 | 3360 |
8 | 26768 |
9 | -70560 |
10 | -4368928 |
11 | -44014080 |
12 | 286606848 |
13 | 15535016640 |
14 | 175871587712 |
15 | -2270496184320 |
16 | -116296341590272 |
17 | -1366735787784960 |
18 | 31677729930493952 |
19 | 1572363556732784640 |
[1,2,0,-12,-60,32,3360,26768,-70560,-4368928, -44014080,286606848,15535016640,175871587712, -2270496184320,-116296341590272,-1366735787784960, 31677729930493952,1572363556732784640] |