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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A205529 as a simple table

na(n)
10
21
32
43
55
67
7109
81009
910009
101000000009
111000000000000000009
1210000000000000000000009

[0,1,2,3,5,7,109,1009,10009,1000000009,
 1000000000000000009,10000000000000000000009]