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| n | a(n) |
|---|---|
| 1 | 12721 |
| 2 | 12812 |
| 3 | 13171 |
| 4 | 13181 |
| 5 | 13191 |
| 6 | 13656 |
| 7 | 13676 |
| 8 | 13678 |
| 9 | 13767 |
| 10 | 13787 |
| 11 | 13789 |
| 12 | 13876 |
| 13 | 13878 |
| 14 | 13896 |
| 15 | 13898 |
| 16 | 13987 |
| 17 | 13989 |
| 18 | 14181 |
| 19 | 14191 |
| 20 | 14767 |
| 21 | 14787 |
| 22 | 14789 |
| 23 | 14878 |
| 24 | 14898 |
| 25 | 14987 |
| 26 | 14989 |
| 27 | 15186 |
| 28 | 15191 |
| 29 | 15197 |
| 30 | 15351 |
| 31 | 15751 |
| 32 | 15782 |
| 33 | 15791 |
| 34 | 15795 |
| 35 | 15816 |
| 36 | 15854 |
| 37 | 15856 |
| 38 | 15861 |
| 39 | 15865 |
[12721,12812,13171,13181,13191,13656,13676,13678, 13767,13787,13789,13876,13878,13896,13898,13987, 13989,14181,14191,14767,14787,14789,14878,14898, 14987,14989,15186,15191,15197,15351,15751,15782, 15791,15795,15816,15854,15856,15861,15865] |