a(n) is the number of primes p which have exactly n zeros and n ones when written in binary.
A095018
a(n) is the number of primes p which have exactly n zeros and n ones when written in binary.
Terms
- a(0) =1a(1) =0a(2) =2a(3) =4a(4) =17a(5) =28a(6) =189a(7) =531a(8) =1990a(9) =5747a(10) =23902a(11) =76658a(12) =291478a(13) =982793a(14) =3677580a(15) =13214719a(16) =49161612a(17) =177190667a(18) =664806798a(19) =2443387945
External references
- oeis: A095018