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A107618 as a simple table

na(n)
119999999
229999899
329999989
439979999
539999979
647999899
748899899
848989989
948997999
1048999799
1148999889
1249989799
1349999699
1449999897
1556999989
1658799899
1758898989
1858988899
1958997899
2059698999
2159788999

[19999999,29999899,29999989,39979999,39999979,
 47999899,48899899,48989989,48997999,48999799,
 48999889,49989799,49999699,49999897,56999989,
 58799899,58898989,58988899,58997899,59698999,
 59788999]