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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 37 |
| 3 | 1737 |
| 4 | 102501 |
| 5 | 6979833 |
| 6 | 523680739 |
| 7 | 42129659113 |
| 8 | 3572184623653 |
| 9 | 315561396741609 |
| 10 | 28807571694394593 |
| 11 | 2701627814373536601 |
| 12 | 259121323945378645947 |
| 13 | 25330657454041707496017 |
| 14 | 2516984276442279642274311 |
| 15 | 253667099464270541534450025 |
| 16 | 25884030861250181046253181349 |
| 17 | 2670255662315910532447096232073 |
[1,37,1737,102501,6979833,523680739,42129659113, 3572184623653,315561396741609,28807571694394593, 2701627814373536601,259121323945378645947, 25330657454041707496017,2516984276442279642274311, 253667099464270541534450025, 25884030861250181046253181349, 2670255662315910532447096232073] |