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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 5 |
| 2 | -313 |
| 3 | -4945 |
| 4 | 292657 |
| 5 | 8148925 |
| 6 | -453845705 |
| 7 | -18795248425 |
| 8 | 979822695905 |
| 9 | 55721465220725 |
| 10 | -2702013314839385 |
| 11 | -201848619020247425 |
| 12 | 9036842409471596305 |
| 13 | 863882210793481537325 |
| 14 | -35388474493250786477545 |
| 15 | -4264832993941008567009625 |
| 16 | 158095400711076444606105025 |
[1,5,-313,-4945,292657,8148925,-453845705, -18795248425,979822695905,55721465220725, -2702013314839385,-201848619020247425, 9036842409471596305,863882210793481537325, -35388474493250786477545, -4264832993941008567009625, 158095400711076444606105025] |