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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 4567 |
| 4 | 89 |
| 5 | 10 |
| 6 | 11 |
| 7 | 1213 |
| 8 | 14 |
| 9 | 15 |
| 10 | 161 |
| 11 | 7 |
| 12 | 181 |
| 13 | 9202 |
| 14 | 122 |
| 15 | 23 |
| 16 | 242526 |
| 17 | 27282 |
| 18 | 930 |
| 19 | 31 |
| 20 | 323 |
| 21 | 33 |
| 22 | 43 |
| 23 | 5 |
| 24 | 3637 |
| 25 | 38 |
| 26 | 39 |
| 27 | 404142 |
| 28 | 434 |
| 29 | 445 |
| 30 | 46 |
| 31 | 47 |
| 32 | 4849 |
| 33 | 505 |
| 34 | 15253 |
| 35 | 545 |
| 36 | 55 |
| 37 | 6 |
| 38 | 57 |
| 39 | 58 |
| 40 | 59 |
| 41 | 606 |
| 42 | 1626 |
| 43 | 3646 |
| 44 | 566 |
| 45 | 67 |
| 46 | 6869 |
| 47 | 70 |
| 48 | 71 |
| 49 | 727 |
| 50 | 37 |
| 51 | 4757 |
| 52 | 677 |
| 53 | 78 |
| 54 | 79 |
| 55 | 8081 |
| 56 | 82 |
[1,2,3,4567,89,10,11,1213,14,15,161,7,181,9202, 122,23,242526,27282,930,31,323,33,43,5,3637,38,39, 404142,434,445,46,47,4849,505,15253,545,55,6,57, 58,59,606,1626,3646,566,67,6869,70,71,727,37,4757, 677,78,79,8081,82] |