Total number of 5's digits in primes less than 10^n.
A231594
Total number of 5's digits in primes less than 10^n.
Terms
- a(0) =1a(1) =3a(2) =33a(3) =360a(4) =3816a(5) =38911a(6) =396016a(7) =4015732a(8) =40543671a(9) =408462140a(10) =4109293287a(11) =41296082801a(12) =414669334188
External references
- oeis: A231594