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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 6 |
| 7 | 7 |
| 8 | 8 |
| 9 | 9 |
| 10 | 12 |
| 11 | 34 |
| 12 | 51 |
| 13 | 62 |
| 14 | 71 |
| 15 | 82 |
| 16 | 91 |
| 17 | 234 |
| 18 | 516 |
| 19 | 723 |
| 20 | 814 |
| 21 | 923 |
| 22 | 1456 |
| 23 | 2378 |
| 24 | 4156 |
| 25 | 7238 |
| 26 | 9145 |
| 27 | 23678 |
[1,2,3,4,5,6,7,8,9,12,34,51,62,71,82,91,234,516, 723,814,923,1456,2378,4156,7238,9145,23678] |