n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | -2 |
5 | 0 |
6 | 0 |
7 | -16 |
8 | 18 |
9 | 0 |
10 | -168 |
11 | 384 |
12 | -314 |
13 | -1632 |
14 | 6264 |
15 | -9744 |
16 | -10014 |
17 | 86976 |
18 | -205344 |
19 | 80176 |
20 | 1009338 |
21 | -3579568 |
22 | 4575296 |
23 | 8301024 |
24 | -54012882 |
25 | 112640896 |
26 | -5164464 |
27 | -694845120 |
28 | 2160781086 |
[1,0,0,0,-2,0,0,-16,18,0,-168,384,-314,-1632,6264, -9744,-10014,86976,-205344,80176,1009338,-3579568, 4575296,8301024,-54012882,112640896,-5164464, -694845120,2160781086] |