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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 11 |
| 2 | 29 |
| 3 | 47 |
| 4 | 277 |
| 5 | 769 |
| 6 | 8867 |
| 7 | 186889 |
| 8 | 2678789 |
| 9 | 26899889 |
| 10 | 3778888999 |
| 11 | 277777788888989 |
[2,11,29,47,277,769,8867,186889,2678789,26899889, 3778888999,277777788888989] |