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A052268 as a simple table

na(n)
19
290
3900
49000
590000
6900000
79000000
890000000
9900000000
109000000000
1190000000000
12900000000000
139000000000000
1490000000000000
15900000000000000
169000000000000000
1790000000000000000
18900000000000000000
199000000000000000000
2090000000000000000000

[9,90,900,9000,90000,900000,9000000,90000000,
 900000000,9000000000,90000000000,900000000000,
 9000000000000,90000000000000,900000000000000,
 9000000000000000,90000000000000000,
 900000000000000000,9000000000000000000,
 90000000000000000000]