107821domain: NAppears in sequencesNonnegative values x of solutions (x, y) to the Diophantine equation x^2 + (x+479)^2 = y^2.at n=10A207075Products p*q*r of three distinct primes such that s=(p*q) mod r, t=(p*r) mod q and u=(q*r) mod p, and s+t+u are all prime.at n=23A338705