n | a(n) |
---|---|
1 | 1 |
2 | -1 |
3 | 0 |
4 | 3 |
5 | -7 |
6 | 3 |
7 | 31 |
8 | -105 |
9 | 101 |
10 | 419 |
11 | -1971 |
12 | 2923 |
13 | 5800 |
14 | -40388 |
15 | 81147 |
16 | 64075 |
17 | -854408 |
18 | 2204543 |
19 | -56096 |
20 | -18070916 |
21 | 58866158 |
22 | -38939227 |
23 | -371701743 |
24 | 1544696638 |
25 | -1870286829 |
26 | -7166094999 |
27 | 39743193694 |
28 | -68677654555 |
[1,-1,0,3,-7,3,31,-105,101,419,-1971,2923,5800, -40388,81147,64075,-854408,2204543,-56096, -18070916,58866158,-38939227,-371701743, 1544696638,-1870286829,-7166094999,39743193694, -68677654555] |