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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -1 |
| 2 | 1 |
| 3 | -5029 |
| 4 | 6697 |
| 5 | -375719873 |
| 6 | 186044689 |
| 7 | -1770350411 |
| 8 | 102625697881591 |
| 9 | -15912188224095499151 |
| 10 | 1419184560088744177499 |
| 11 | -323645955378411578735051 |
| 12 | 935339682040604214800761 |
| 13 | -36813244507954712597112169117 |
| 14 | 45816041290074218754101655557981 |
[1,-1,1,-5029,6697,-375719873,186044689, -1770350411,102625697881591,-15912188224095499151, 1419184560088744177499,-323645955378411578735051, 935339682040604214800761, -36813244507954712597112169117, 45816041290074218754101655557981] |