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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 8142 |
| 4 | 351574834 |
| 5 | 47940557125969 |
| 6 | 16985819072511102549 |
| 7 | 13519747358522016160671387 |
| 8 | 21671513613423101256198918372909 |
| 9 | 64311863997340571475504065539218471107 |
| 10 | 330586922756304429697714946501284146322953006 |
[1,0,1,8142,351574834,47940557125969, 16985819072511102549,13519747358522016160671387, 21671513613423101256198918372909, 64311863997340571475504065539218471107, 330586922756304429697714946501284146322953006] |