26428domain: NAppears in sequencesIndices of primes in sequence defined by A(0) = 87, A(n) = 10*A(n-1) - 53 for n > 0.at n=8A101059Numbers m such that m^2 + 3^k is prime for k = 1, 2, 3.at n=36A177173Twice A137829.at n=17A201078