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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 15 |
| 2 | -167 |
| 3 | -14265 |
| 4 | -17583 |
| 5 | 22103775 |
| 6 | 366019305 |
| 7 | -46497789225 |
| 8 | -1701823811295 |
| 9 | 120289709840175 |
| 10 | 7808380053851385 |
| 11 | -354409961765715225 |
| 12 | -38985884218692900495 |
| 13 | 1082356196865530910975 |
| 14 | 214907408931441984587145 |
| 15 | -2716359674426403870623625 |
[1,15,-167,-14265,-17583,22103775,366019305, -46497789225,-1701823811295,120289709840175, 7808380053851385,-354409961765715225, -38985884218692900495,1082356196865530910975, 214907408931441984587145, -2716359674426403870623625] |