n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | -5 |
6 | 41 |
7 | -289 |
8 | 2316 |
9 | -20383 |
10 | 196965 |
11 | -2077319 |
12 | 23780646 |
13 | -293954869 |
14 | 3904755557 |
15 | -55497739465 |
16 | 840656150296 |
17 | -13523247084319 |
18 | 230285930161321 |
19 | -4139153666264303 |
20 | 78317988438360330 |
[0,1,1,1,2,-5,41,-289,2316,-20383,196965,-2077319, 23780646,-293954869,3904755557,-55497739465, 840656150296,-13523247084319,230285930161321, -4139153666264303,78317988438360330] |