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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 13 |
| 4 | 113 |
| 5 | 149 |
| 6 | 1013 |
| 7 | 1039 |
| 8 | 1123 |
| 9 | 1237 |
| 10 | 10127 |
| 11 | 10139 |
| 12 | 10234 |
| 13 | 10237 |
| 14 | 10279 |
| 15 | 10379 |
| 16 | 12367 |
| 17 | 12379 |
| 18 | 13459 |
| 19 | 13789 |
| 20 | 100279 |
| 21 | 101234 |
| 22 | 101237 |
| 23 | 102347 |
| 24 | 102379 |
| 25 | 103579 |
| 26 | 103789 |
| 27 | 123479 |
| 28 | 1002347 |
| 29 | 1002359 |
| 30 | 1002379 |
| 31 | 1003579 |
| 32 | 1012349 |
| 33 | 1012379 |
[1,2,13,113,149,1013,1039,1123,1237,10127,10139, 10234,10237,10279,10379,12367,12379,13459,13789, 100279,101234,101237,102347,102379,103579,103789, 123479,1002347,1002359,1002379,1003579,1012349, 1012379] |