n | a(n) |
---|---|
0 | 1 |
1 | -2 |
2 | -2 |
3 | -12 |
4 | -90 |
5 | -968 |
6 | -12764 |
7 | -200464 |
8 | -3674378 |
9 | -76958942 |
10 | -1814783184 |
11 | -47618072204 |
12 | -1376556963244 |
13 | -43481881639608 |
14 | -1490306874257184 |
15 | -55091497907730000 |
16 | -2185104061817592618 |
17 | -92567886910879671396 |
18 | -4171638481112174023226 |
[1,-2,-2,-12,-90,-968,-12764,-200464,-3674378, -76958942,-1814783184,-47618072204,-1376556963244, -43481881639608,-1490306874257184, -55091497907730000,-2185104061817592618, -92567886910879671396,-4171638481112174023226] |