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| n | a(n) |
|---|---|
| 10 | 9 |
| 11 | 91 |
| 12 | 912 |
| 13 | 9213 |
| 14 | 92314 |
| 15 | 931415 |
| 16 | 9341516 |
| 17 | 94151617 |
| 18 | 945161718 |
| 19 | 9516171819 |
| 20 | 95617181920 |
| 21 | 961718192021 |
| 22 | 9671819202122 |
| 23 | 97181920212223 |
| 24 | 978192021222324 |
| 25 | 9819202122232425 |
| 26 | 98920212223242526 |
| 27 | 992021222324252627 |
| 28 | 9922122232425262728 |
| 29 | 99222223242526272829 |
| 30 | 992222324252627282930 |
[9,91,912,9213,92314,931415,9341516,94151617, 945161718,9516171819,95617181920,961718192021, 9671819202122,97181920212223,978192021222324, 9819202122232425,98920212223242526, 992021222324252627,9922122232425262728, 99222223242526272829,992222324252627282930] |