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A239249 as a simple table

na(n)
14
213
341
4131
5419
61339
74279
813675
943703
10139667
11446351
121426459
134558711
1414568835
1546559423
16148795691
17475524743
181519693075
194856670607
2015521061307
2149602570071
22158521051427
23506605276895
241619020970827
255174105015335

[4,13,41,131,419,1339,4279,13675,43703,139667,
 446351,1426459,4558711,14568835,46559423,
 148795691,475524743,1519693075,4856670607,
 15521061307,49602570071,158521051427,506605276895,
 1619020970827,5174105015335]