n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 3 |
3 | -11 |
4 | 45 |
5 | -197 |
6 | 903 |
7 | -4279 |
8 | 20793 |
9 | -103049 |
10 | 518859 |
11 | -2646723 |
12 | 13648869 |
13 | -71039373 |
14 | 372693519 |
15 | -1968801519 |
16 | 10463578353 |
17 | -55909013009 |
18 | 300159426963 |
19 | -1618362158587 |
20 | 8759309660445 |
21 | -47574827600981 |
22 | 259215937709463 |
23 | -1416461675464871 |
24 | 7760733824437545 |
25 | -42624971294485657 |
[1,-1,3,-11,45,-197,903,-4279,20793,-103049, 518859,-2646723,13648869,-71039373,372693519, -1968801519,10463578353,-55909013009,300159426963, -1618362158587,8759309660445,-47574827600981, 259215937709463,-1416461675464871, 7760733824437545,-42624971294485657] |