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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | -23 |
| 3 | -135 |
| 4 | 4785 |
| 5 | 102353 |
| 6 | -4499623 |
| 7 | -167774711 |
| 8 | 9259741409 |
| 9 | 697193437985 |
| 10 | -45391655836087 |
| 11 | -4778091975791591 |
| 12 | 356972130348630673 |
| 13 | 60384518907092417009 |
| 14 | -5135539171238913723207 |
[1,1,-23,-135,4785,102353,-4499623,-167774711, 9259741409,697193437985,-45391655836087, -4778091975791591,356972130348630673, 60384518907092417009,-5135539171238913723207] |