Count of the first 10^n primes which do not contain the digit 4.

A228416

Count of the first 10^n primes which do not contain the digit 4.

Terms

    a(0) =1a(1) =10a(2) =75a(3) =721a(4) =6637a(5) =60605a(6) =514809a(7) =4730382a(8) =43254591a(9) =392344689a(10) =3421561753a(11) =31049600245a(12) =282499317912

External references