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| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 49 |
| 3 | 784 |
| 4 | 6889 |
| 5 | 97969 |
| 6 | 877969 |
| 7 | 9696996 |
| 8 | 88679889 |
| 9 | 876988996 |
| 10 | 8998988769 |
| 11 | 88998998929 |
| 12 | 975979998889 |
| 13 | 9998768898889 |
| 14 | 97888999968769 |
| 15 | 898999897988929 |
| 16 | 9896999999766889 |
| 17 | 99497897999899876 |
| 18 | 989879999979599689 |
[9,49,784,6889,97969,877969,9696996,88679889, 876988996,8998988769,88998998929,975979998889, 9998768898889,97888999968769,898999897988929, 9896999999766889,99497897999899876, 989879999979599689] |