Count of the first 10^n primes which do not contain the digit 5.

A228417

Count of the first 10^n primes which do not contain the digit 5.

Terms

    a(0) =1a(1) =9a(2) =85a(3) =708a(4) =6635a(5) =60640a(6) =535534a(7) =4737129a(8) =43297195a(9) =392641522a(10) =3536880527a(11) =31067514571a(12) =282635824867

External references