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A061075 as a simple table

na(n)
13
211
337
4101
5271
613
74649
8137
9333667
109091
11513239
129901
13265371653
14909091
152906161
165882353
175363222357
1852579
191111111111111111111
2027961
2110838689
228779
2311111111111111111111111
2499990001
25182521213001
261058313049

[3,11,37,101,271,13,4649,137,333667,9091,513239,
 9901,265371653,909091,2906161,5882353,5363222357,
 52579,1111111111111111111,27961,10838689,8779,
 11111111111111111111111,99990001,182521213001,
 1058313049]