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| n | a(n) |
|---|---|
| 1 | 111 |
| 2 | 212 |
| 3 | 313 |
| 4 | 414 |
| 5 | 515 |
| 6 | 616 |
| 7 | 717 |
| 8 | 818 |
| 9 | 919 |
| 10 | 11111 |
| 11 | 22122 |
| 12 | 33133 |
| 13 | 44144 |
| 14 | 55155 |
| 15 | 66166 |
| 16 | 77177 |
| 17 | 88188 |
| 18 | 99199 |
| 19 | 1011101 |
| 20 | 1111111 |
| 21 | 1211121 |
| 22 | 1311131 |
| 23 | 1411141 |
| 24 | 1511151 |
| 25 | 1611161 |
| 26 | 1711171 |
| 27 | 1811181 |
| 28 | 1911191 |
| 29 | 2021202 |
| 30 | 2121212 |
| 31 | 2221222 |
| 32 | 2321232 |
| 33 | 2421242 |
[111,212,313,414,515,616,717,818,919,11111,22122, 33133,44144,55155,66166,77177,88188,99199,1011101, 1111111,1211121,1311131,1411141,1511151,1611161, 1711171,1811181,1911191,2021202,2121212,2221222, 2321232,2421242] |