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| n | a(n) |
|---|---|
| 1 | 89 |
| 2 | 189 |
| 3 | 289 |
| 4 | 389 |
| 5 | 489 |
| 6 | 589 |
| 7 | 689 |
| 8 | 789 |
| 9 | 899 |
| 10 | 989 |
| 11 | 1089 |
| 12 | 1189 |
| 13 | 1289 |
| 14 | 1389 |
| 15 | 1489 |
| 16 | 1589 |
| 17 | 1689 |
| 18 | 1789 |
| 19 | 1899 |
| 20 | 1989 |
| 21 | 2089 |
| 22 | 2189 |
| 23 | 2289 |
| 24 | 2389 |
| 25 | 2489 |
| 26 | 2589 |
| 27 | 2689 |
| 28 | 2789 |
| 29 | 2899 |
| 30 | 2989 |
| 31 | 3089 |
| 32 | 3189 |
| 33 | 3289 |
| 34 | 3389 |
| 35 | 3489 |
| 36 | 3589 |
| 37 | 3689 |
| 38 | 3789 |
| 39 | 3899 |
[89,189,289,389,489,589,689,789,899,989,1089,1189, 1289,1389,1489,1589,1689,1789,1899,1989,2089,2189, 2289,2389,2489,2589,2689,2789,2899,2989,3089,3189, 3289,3389,3489,3589,3689,3789,3899] |