Number of primes less than 10^n with initial digit 1.
A073517
Number of primes less than 10^n with initial digit 1.
Terms
- a(0) =0a(1) =4a(2) =25a(3) =160a(4) =1193a(5) =9585a(6) =80020a(7) =686048a(8) =6003530a(9) =53378283a(10) =480532488a(11) =4369582734a(12) =40063566855a(13) =369893939287
External references
- oeis: A073517