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| n | a(n) |
|---|---|
| 1 | 2999999 |
| 2 | 3998999 |
| 3 | 4799999 |
| 4 | 4979999 |
| 5 | 4998989 |
| 6 | 4999889 |
| 7 | 5789999 |
| 8 | 5888999 |
| 9 | 5898989 |
| 10 | 5899979 |
| 11 | 5899997 |
| 12 | 5979899 |
| 13 | 5988989 |
| 14 | 5989889 |
| 15 | 5998799 |
| 16 | 5999699 |
| 17 | 6689999 |
| 18 | 6779999 |
| 19 | 6799799 |
| 20 | 6799889 |
| 21 | 6799979 |
| 22 | 6888989 |
| 23 | 6889997 |
| 24 | 6896999 |
[2999999,3998999,4799999,4979999,4998989,4999889, 5789999,5888999,5898989,5899979,5899997,5979899, 5988989,5989889,5998799,5999699,6689999,6779999, 6799799,6799889,6799979,6888989,6889997,6896999] |