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A068163 as a simple table

na(n)
1919
2990599
399901999
49999049999
599999199999
699999901999999
79999999239999999
899999999299999999
99999999992999999999
109999999999049999999999
11999999999990599999999999
1299999999999904999999999999

[919,990599,99901999,9999049999,99999199999,
 99999901999999,9999999239999999,99999999299999999,
 9999999992999999999,9999999999049999999999,
 999999999990599999999999,
 99999999999904999999999999]