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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 7 |
| 2 | -463 |
| 3 | -10409 |
| 4 | 638305 |
| 5 | 25785767 |
| 6 | -1453560431 |
| 7 | -89388799241 |
| 8 | 4583838990017 |
| 9 | 398223394621255 |
| 10 | -18334766303649551 |
| 11 | -2167247144586372457 |
| 12 | 88090673810049664033 |
| 13 | 13932201173009020024039 |
| 14 | -488806116668627423635375 |
| 15 | -103287660824809047497759177 |
[1,7,-463,-10409,638305,25785767,-1453560431, -89388799241,4583838990017,398223394621255, -18334766303649551,-2167247144586372457, 88090673810049664033,13932201173009020024039, -488806116668627423635375, -103287660824809047497759177] |