Number of primes of the form 4k+3 less than 10^n.
A091099
Number of primes of the form 4k+3 less than 10^n.
Terms
- a(0) =2a(1) =13a(2) =87a(3) =619a(4) =4808a(5) =39322a(6) =332398a(7) =2880950a(8) =25424042a(9) =227529235a(10) =2059034532a(11) =18803987677a(12) =173032827655
External references
- oeis: A091099