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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 5 |
| 2 | -103 |
| 3 | -1795 |
| 4 | 30577 |
| 5 | 1071925 |
| 6 | -14209655 |
| 7 | -894286675 |
| 8 | 8260417505 |
| 9 | 957051642725 |
| 10 | -4730742752135 |
| 11 | -1248679816448675 |
| 12 | 417486712762705 |
| 13 | 1920059631628978325 |
| 14 | 8905600268107750505 |
| 15 | -3396218858538590405875 |
| 16 | -34079846807459832998975 |
[1,5,-103,-1795,30577,1071925,-14209655, -894286675,8260417505,957051642725,-4730742752135, -1248679816448675,417486712762705, 1920059631628978325,8905600268107750505, -3396218858538590405875,-34079846807459832998975] |