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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 11 |
| 3 | 21 |
| 4 | 121 |
| 5 | 131 |
| 6 | 231 |
| 7 | 331 |
| 8 | 1331 |
| 9 | 1341 |
| 10 | 1441 |
| 11 | 1541 |
| 12 | 2541 |
| 13 | 2641 |
| 14 | 3641 |
| 15 | 4641 |
| 16 | 14641 |
| 17 | 14651 |
| 18 | 14751 |
| 19 | 14851 |
| 20 | 15851 |
| 21 | 15951 |
| 22 | 16951 |
| 23 | 17951 |
| 24 | 27951 |
| 25 | 28051 |
| 26 | 29051 |
| 27 | 30051 |
| 28 | 40051 |
| 29 | 41051 |
| 30 | 51051 |
| 31 | 61051 |
| 32 | 161051 |
| 33 | 161061 |
| 34 | 161161 |
| 35 | 161261 |
| 36 | 162261 |
| 37 | 162361 |
| 38 | 163361 |
| 39 | 164361 |
[0,1,11,21,121,131,231,331,1331,1341,1441,1541, 2541,2641,3641,4641,14641,14651,14751,14851,15851, 15951,16951,17951,27951,28051,29051,30051,40051, 41051,51051,61051,161051,161061,161161,161261, 162261,162361,163361,164361] |