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| n | a(n) |
|---|---|
| 1 | 81 |
| 2 | 181 |
| 3 | 281 |
| 4 | 381 |
| 5 | 481 |
| 6 | 581 |
| 7 | 681 |
| 8 | 781 |
| 9 | 810 |
| 10 | 881 |
| 11 | 981 |
| 12 | 1081 |
| 13 | 1181 |
| 14 | 1281 |
| 15 | 1381 |
| 16 | 1481 |
| 17 | 1581 |
| 18 | 1681 |
| 19 | 1781 |
| 20 | 1810 |
| 21 | 1881 |
| 22 | 1981 |
| 23 | 2081 |
| 24 | 2181 |
| 25 | 2281 |
| 26 | 2381 |
| 27 | 2481 |
| 28 | 2581 |
| 29 | 2681 |
| 30 | 2781 |
| 31 | 2810 |
| 32 | 2881 |
| 33 | 2981 |
| 34 | 3081 |
| 35 | 3181 |
| 36 | 3281 |
| 37 | 3381 |
| 38 | 3481 |
| 39 | 3581 |
[81,181,281,381,481,581,681,781,810,881,981,1081, 1181,1281,1381,1481,1581,1681,1781,1810,1881,1981, 2081,2181,2281,2381,2481,2581,2681,2781,2810,2881, 2981,3081,3181,3281,3381,3481,3581] |