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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 17 |
| 2 | -223 |
| 3 | -21199 |
| 4 | -17855 |
| 5 | 43112017 |
| 6 | 778613089 |
| 7 | -119203693711 |
| 8 | -4817012104063 |
| 9 | 406369123671185 |
| 10 | 29105066877932449 |
| 11 | -1585823776271615567 |
| 12 | -190878740853133017407 |
| 13 | 6498362686909544747729 |
| 14 | 1380961064795915624572385 |
| 15 | -23103925638237051133990927 |
[1,17,-223,-21199,-17855,43112017,778613089, -119203693711,-4817012104063,406369123671185, 29105066877932449,-1585823776271615567, -190878740853133017407,6498362686909544747729, 1380961064795915624572385, -23103925638237051133990927] |