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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 21 |
| 3 | 32 |
| 4 | 43 |
| 5 | 54 |
| 6 | 65 |
| 7 | 76 |
| 8 | 87 |
| 9 | 98 |
| 10 | 109 |
| 11 | 1110 |
| 12 | 1211 |
| 13 | 1312 |
| 14 | 1413 |
| 15 | 1514 |
| 16 | 1615 |
| 17 | 1716 |
| 18 | 1817 |
| 19 | 1918 |
| 20 | 2019 |
| 21 | 2120 |
| 22 | 2221 |
| 23 | 2322 |
| 24 | 2423 |
| 25 | 2524 |
| 26 | 2625 |
| 27 | 2726 |
| 28 | 2827 |
| 29 | 2928 |
| 30 | 3029 |
| 31 | 3130 |
| 32 | 3231 |
| 33 | 3332 |
| 34 | 3433 |
| 35 | 3534 |
| 36 | 3635 |
| 37 | 3736 |
| 38 | 3837 |
| 39 | 3938 |
| 40 | 4039 |
| 41 | 4140 |
| 42 | 4241 |
| 43 | 4342 |
| 44 | 4443 |
| 45 | 4544 |
| 46 | 4645 |
[1,21,32,43,54,65,76,87,98,109,1110,1211,1312, 1413,1514,1615,1716,1817,1918,2019,2120,2221,2322, 2423,2524,2625,2726,2827,2928,3029,3130,3231,3332, 3433,3534,3635,3736,3837,3938,4039,4140,4241,4342, 4443,4544,4645] |