n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 1 |
5 | 0 |
6 | 0 |
7 | 16 |
8 | -18 |
9 | 0 |
10 | 252 |
11 | -576 |
12 | 519 |
13 | 3264 |
14 | -12468 |
15 | 20568 |
16 | 26662 |
17 | -215568 |
18 | 528576 |
19 | -164616 |
20 | -3014889 |
21 | 10894920 |
22 | -13796840 |
23 | -29909616 |
24 | 190423962 |
25 | -399739840 |
26 | -22768752 |
27 | 2803402560 |
28 | -8743064909 |
[0,0,0,1,0,0,16,-18,0,252,-576,519,3264,-12468, 20568,26662,-215568,528576,-164616,-3014889, 10894920,-13796840,-29909616,190423962,-399739840, -22768752,2803402560,-8743064909] |