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A213354 as a simple table
| n | a(n) |
|---|---|
| 1 | 59899999 |
| 2 | 69899899 |
| 3 | 69899989 |
| 4 | 69979999 |
| 5 | 69997999 |
| 6 | 69999799 |
| 7 | 77899999 |
| 8 | 78997999 |
| 9 | 78998989 |
| 10 | 78999889 |
| 11 | 78999979 |
| 12 | 79699999 |
| 13 | 79879999 |
| 14 | 79889899 |
| 15 | 79979899 |
| 16 | 79979989 |
| 17 | 79988899 |
| 18 | 79989979 |
| 19 | 79996999 |
| 20 | 79997899 |
| 21 | 79997989 |
| 22 | 79999789 |
| 23 | 79999879 |
| 24 | 79999987 |
[59899999,69899899,69899989,69979999,69997999, 69999799,77899999,78997999,78998989,78999889, 78999979,79699999,79879999,79889899,79979899, 79979989,79988899,79989979,79996999,79997899, 79997989,79999789,79999879,79999987] |