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| n | a(n) |
|---|---|
| 1 | 2998999 |
| 2 | 3899989 |
| 3 | 3979999 |
| 4 | 3989989 |
| 5 | 3998899 |
| 6 | 4789999 |
| 7 | 4798999 |
| 8 | 4888999 |
| 9 | 4899997 |
| 10 | 4987999 |
| 11 | 4989979 |
| 12 | 4989997 |
| 13 | 4997899 |
| 14 | 4997989 |
| 15 | 4998979 |
| 16 | 4998997 |
| 17 | 4999879 |
| 18 | 5599999 |
| 19 | 5699899 |
| 20 | 5699989 |
| 21 | 5779999 |
| 22 | 5789899 |
| 23 | 5799799 |
| 24 | 5869999 |
[2998999,3899989,3979999,3989989,3998899,4789999, 4798999,4888999,4899997,4987999,4989979,4989997, 4997899,4997989,4998979,4998997,4999879,5599999, 5699899,5699989,5779999,5789899,5799799,5869999] |