n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | -1 |
4 | -7 |
5 | -23 |
6 | -23 |
7 | 135 |
8 | 1297 |
9 | 4785 |
10 | 6129 |
11 | -102353 |
12 | -894903 |
13 | -4499623 |
14 | -829671 |
15 | 167774711 |
16 | 1879275169 |
17 | 9259741409 |
18 | -1886150559 |
19 | -697193437985 |
20 | -7580265762535 |
21 | -45391655836087 |
22 | 85001467923145 |
23 | 4778091975791591 |
24 | 61409100961369265 |
25 | 356972130348630673 |
[1,1,1,-1,-7,-23,-23,135,1297,4785,6129,-102353, -894903,-4499623,-829671,167774711,1879275169, 9259741409,-1886150559,-697193437985, -7580265762535,-45391655836087,85001467923145, 4778091975791591,61409100961369265, 356972130348630673] |