n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -1 |
3 | 1 |
4 | -3 |
5 | 5 |
6 | -691 |
7 | 35 |
8 | -3617 |
9 | 43867 |
10 | -1222277 |
11 | 854513 |
12 | -1181820455 |
13 | 76977927 |
14 | -23749461029 |
15 | 8615841276005 |
16 | -84802531453387 |
17 | 90219075042845 |
18 | -26315271553053477373 |
19 | 38089920879940267 |
20 | -261082718496449122051 |
21 | 1520097643918070802691 |
[1,1,-1,1,-3,5,-691,35,-3617,43867,-1222277, 854513,-1181820455,76977927,-23749461029, 8615841276005,-84802531453387,90219075042845, -26315271553053477373,38089920879940267, -261082718496449122051,1520097643918070802691] |