n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 4 |
4 | -19 |
5 | -64 |
6 | 1207 |
7 | 5440 |
8 | -164071 |
9 | -954368 |
10 | 39943691 |
11 | 284754944 |
12 | -15250391099 |
13 | -128749666304 |
14 | 8402599565375 |
15 | 81978198409216 |
16 | -6309988001033167 |
17 | -69853770233675776 |
18 | 6194681665486634899 |
19 | 76717804389440684032 |
[1,1,3,4,-19,-64,1207,5440,-164071,-954368, 39943691,284754944,-15250391099,-128749666304, 8402599565375,81978198409216,-6309988001033167, -69853770233675776,6194681665486634899, 76717804389440684032] |