n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 1 |
3 | -3 |
4 | 3 |
5 | -13 |
6 | 9 |
7 | -59 |
8 | 19 |
9 | -277 |
10 | -23 |
11 | -1347 |
12 | -669 |
13 | -6781 |
14 | -6039 |
15 | -35243 |
16 | -43757 |
17 | -188293 |
18 | -289271 |
19 | -1028979 |
20 | -1822941 |
21 | -5723437 |
22 | -11172663 |
23 | -32263067 |
24 | -67310189 |
25 | -183660661 |
26 | -401077079 |
27 | -1052923683 |
28 | -2372706717 |
29 | -6066772573 |
30 | -13969380951 |
31 | -35079276299 |
[1,-1,1,-3,3,-13,9,-59,19,-277,-23,-1347,-669, -6781,-6039,-35243,-43757,-188293,-289271, -1028979,-1822941,-5723437,-11172663,-32263067, -67310189,-183660661,-401077079,-1052923683, -2372706717,-6066772573,-13969380951,-35079276299] |