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| n | a(n) |
|---|---|
| 1 | 9898898899 |
| 2 | 889898999999 |
| 3 | 889989889889 |
| 4 | 898888889989 |
| 5 | 989899998889 |
| 6 | 999988988989 |
| 7 | 988898889999899 |
| 8 | 989998888989889 |
| 9 | 98888888989989899 |
| 10 | 99999998998988999 |
| 11 | 888898989989989999 |
| 12 | 888998889889898899 |
| 13 | 889888889998888999 |
| 14 | 889888898999988989 |
| 15 | 889988888998998889 |
[9898898899,889898999999,889989889889, 898888889989,989899998889,999988988989, 988898889999899,989998888989889,98888888989989899, 99999998998988999,888898989989989999, 888998889889898899,889888889998888999, 889888898999988989,889988888998998889] |