Number of primes less than 10^n with initial digit 7.
A073511
Number of primes less than 10^n with initial digit 7.
Terms
- a(0) =1a(1) =4a(2) =18a(3) =125a(4) =1027a(5) =8435a(6) =71564a(7) =622882a(8) =5516130a(9) =49495432a(10) =448855139a(11) =4106164356a(12) =37838546363a(13) =350849788546
External references
- oeis: A073511