n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -1 |
3 | 1 |
4 | -1 |
5 | 1 |
6 | -691 |
7 | 1 |
8 | -3617 |
9 | 43867 |
10 | -174611 |
11 | 77683 |
12 | -236364091 |
13 | 657931 |
14 | -3392780147 |
15 | 1723168255201 |
16 | -7709321041217 |
17 | 151628697551 |
18 | -26315271553053477373 |
19 | 154210205991661 |
20 | -261082718496449122051 |
21 | 1520097643918070802691 |
[1,1,-1,1,-1,1,-691,1,-3617,43867,-174611,77683, -236364091,657931,-3392780147,1723168255201, -7709321041217,151628697551,-26315271553053477373, 154210205991661,-261082718496449122051, 1520097643918070802691] |