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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 23 |
| 6 | 33 |
| 7 | 103 |
| 8 | 433 |
| 9 | 2124 |
| 10 | 2403 |
| 11 | 3134 |
| 12 | 124030 |
| 13 | 124031 |
| 14 | 242423 |
| 15 | 434434444 |
| 16 | 1143204434402 |
| 17 | 14421440424444 |
[1,2,3,4,23,33,103,433,2124,2403,3134,124030, 124031,242423,434434444,1143204434402, 14421440424444] |