62313domain: NAppears in sequencesIf x^2 + 2*y^2 is prime for all positive integers x and y with m = x*y then m is in the sequence.at n=14A287799Expansion of Product_{j>=1} (1 + j*(-1 + Product_{k>=1} (1 + k*x^k))^j).at n=9A307566Odd numbers k such that the ring of integers of Q(5^(1/k)) is not Z[5^(1/k)].at n=2A342391