n | a(n) |
---|---|
1 | -1 |
2 | -2 |
3 | -2 |
4 | -4 |
5 | 28 |
6 | -4 |
7 | 292 |
8 | 584 |
9 | 2008 |
10 | 1496 |
11 | 25672 |
12 | 23624 |
13 | 352168 |
14 | 343976 |
15 | 327592 |
16 | 655184 |
17 | 12121168 |
18 | 11990096 |
19 | 232268272 |
20 | 231743984 |
21 | 230695408 |
22 | 228598256 |
23 | 5345840272 |
24 | 5337451664 |
25 | 26737589968 |
26 | 26704035536 |
27 | 80179215472 |
28 | 80044997744 |
[-1,-2,-2,-4,28,-4,292,584,2008,1496,25672,23624, 352168,343976,327592,655184,12121168,11990096, 232268272,231743984,230695408,228598256, 5345840272,5337451664,26737589968,26704035536, 80179215472,80044997744] |