302024domain: NAppears in sequencesNumbers k such that 2*prime(k)+1, 2*prime(k+1)+1 and 2*prime(k+2)-1 are also consecutive primes.at n=25A103851Numbers n such that 2*P(n)+1, 2*P(n+1)+1, and 2*P(n+2)-1 are also consecutive primes with P(n+1)=P(n)+6 and P(n+2)=P(n+1)+2 with P(i)=i-th prime.at n=16A103852