Number of primes less than 10^n having at least one digit 2.
A091646
Number of primes less than 10^n having at least one digit 2.
Terms
- a(0) =1a(1) =3a(2) =29a(3) =352a(4) =3357a(5) =32393a(6) =312424a(7) =3014171a(8) =29016211a(9) =279171099a(10) =2685272908a(11) =25829666453a(12) =248507003625
External references
- oeis: A091646