67182domain: NAppears in sequencesNumbers k such that 33*2^k - 1 is prime.at n=45A002240a(n)=a(n-1)+2*a(n-2)-[a(n-1)/2]-[a(n-4)/2]-[a(n-5)/2].at n=24A173534Sum of primes between successive squares of primes.at n=11A175037