Number of prime triples < 10^n, where a prime triple means 3 successive primes of the form {p, p+2, p+4} or {p, p+4, p+6}.

A055737

Number of prime triples < 10^n, where a prime triple means 3 successive primes of the form {p, p+2, p+4} or {p, p+4, p+6}.

Terms

    a(0) =0a(1) =8a(2) =30a(3) =112a(4) =507a(5) =2837a(6) =17220a(7) =111156a(8) =759256a(9) =5425573a(10) =40174725a(11) =305689269a(12) =2379622234a(13) =18887841658

External references