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A075412 as a simple table

na(n)
00
19
21089
3110889
411108889
51111088889
6111110888889
711111108888889
81111111088888889
9111111110888888889
1011111111108888888889
111111111111088888888889
12111111111110888888888889

[0,9,1089,110889,11108889,1111088889,111110888889,
 11111108888889,1111111088888889,
 111111110888888889,11111111108888888889,
 1111111111088888888889,111111111110888888888889]