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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 7 |
| 2 | 211 |
| 3 | 87583 |
| 4 | 1551091 |
| 5 | 26136390307 |
| 6 | 26950515152273 |
| 7 | 1654341031718587 |
| 8 | 6818178632103851 |
| 9 | 5017431660958281659233 |
| 10 | 191065819328171102145251947 |
| 11 | 118321866231849362450533828517 |
| 12 | 14214423223280744764724946368993 |
| 13 | 9325196363494467475081247926762363 |
[1,7,211,87583,1551091,26136390307,26950515152273, 1654341031718587,6818178632103851, 5017431660958281659233, 191065819328171102145251947, 118321866231849362450533828517, 14214423223280744764724946368993, 9325196363494467475081247926762363] |