Largest prime factor of A138148(n).

Terms

a(0) =101a(1) =13a(2) =137a(3) =9091a(4) =9901a(5) =909091a(6) =5882353a(7) =52579a(8) =333667a(9) =9091a(10) =99990001a(11) =1058313049a(12) =265371653a(13) =909091a(14) =2906161a(15) =21993833369a(16) =999999000001a(19) =909091a(20) =1056689261