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A089592 as a simple table

na(n)
12
211
317
479
5107
6109
7709
84003
910009
1011003
111000039
121100009
13400000043
141000000009
15150000000000007

[2,11,17,79,107,109,709,4003,10009,11003,1000039,
 1100009,400000043,1000000009,150000000000007]