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| n | a(n) |
|---|---|
| 1 | 27 |
| 2 | 297 |
| 3 | 2997 |
| 4 | 29997 |
| 5 | 299997 |
| 6 | 2999997 |
| 7 | 29999997 |
| 8 | 299999997 |
| 9 | 2999999997 |
| 10 | 29999999997 |
| 11 | 299999999997 |
| 12 | 2999999999997 |
| 13 | 29999999999997 |
| 14 | 299999999999997 |
[27,297,2997,29997,299997,2999997,29999997, 299999997,2999999997,29999999997,299999999997, 2999999999997,29999999999997,299999999999997] |