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A082026 as a simple table

na(n)
15
225
3425
416425
513616425
6193613616425
7181936193613616425
8164181936181936193613616425
913616164181936164181936181936193613616425
1019361361361616418193613616164181936164181936181936193613616425

[5,25,425,16425,13616425,193613616425,
 181936193613616425,164181936181936193613616425,
 13616164181936164181936181936193613616425,
 19361361361616418193613616164181936164181936181936\
 193613616425]