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A203579 as a simple table

na(n)
02
12
27
317
457
5177
6577
71857
86017
919457
1062977
11203777
12659457
132134017
146905857
1522347777
1672318977
17234029057
18757334017
192450784257
207930904577
2125664946177
2283053510657
23268766806017
24869747654657
252814562533377
269108115685377
2729474481504257

[2,2,7,17,57,177,577,1857,6017,19457,62977,203777,
 659457,2134017,6905857,22347777,72318977,
 234029057,757334017,2450784257,7930904577,
 25664946177,83053510657,268766806017,869747654657,
 2814562533377,9108115685377,29474481504257]