Number of primes less than 10^n with initial digit 2.
A073516
Number of primes less than 10^n with initial digit 2.
Terms
- a(0) =1a(1) =3a(2) =19a(3) =146a(4) =1129a(5) =9142a(6) =77025a(7) =664277a(8) =5837665a(9) =52064915a(10) =469864125a(11) =4281198201a(12) =39319600765a(13) =363545360347
External references
- oeis: A073516