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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 9 |
| 3 | 582 |
| 4 | 164495 |
| 5 | 194998895 |
| 6 | 975239425635 |
| 7 | 20656955820980290 |
| 8 | 1857471420698911806909 |
| 9 | 710147877110621514637926027 |
| 10 | 1155599363385647621950232861908393 |
[1,9,582,164495,194998895,975239425635, 20656955820980290,1857471420698911806909, 710147877110621514637926027, 1155599363385647621950232861908393] |