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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 6 |
| 3 | 71 |
| 4 | 646 |
| 5 | 6287 |
| 6 | 62545 |
| 7 | 625489 |
| 8 | 6251102 |
| 9 | 62501242 |
| 10 | 624989166 |
| 11 | 6250025693 |
| 12 | 62499925426 |
[1,6,71,646,6287,62545,625489,6251102,62501242, 624989166,6250025693,62499925426] |