Number of primes less than 10^n having at least one digit 7.
A091708
Number of primes less than 10^n having at least one digit 7.
Terms
- a(0) =1a(1) =9a(2) =68a(3) =549a(4) =4819a(5) =43506a(6) =397756a(7) =3681943a(8) =34344296a(9) =322199867a(10) =3036544958a(11) =28722439343a(12) =272501681533
External references
- oeis: A091708