n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | -12 |
5 | 120 |
6 | -1020 |
7 | 8820 |
8 | -79548 |
9 | 746928 |
10 | -7222560 |
11 | 70422000 |
12 | -663291552 |
13 | 5383325376 |
14 | -19385922192 |
15 | -677619961200 |
16 | 27837247597392 |
17 | -777514428757632 |
18 | 19561790897109504 |
19 | -475628128967428992 |
20 | 11488209552378045888 |
[1,0,0,0,-12,120,-1020,8820,-79548,746928, -7222560,70422000,-663291552,5383325376, -19385922192,-677619961200,27837247597392, -777514428757632,19561790897109504, -475628128967428992,11488209552378045888] |