554233domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form x^y + y^z + z^x, for x,y,z > 1.at n=19A123207a(n) = -4*a(n-1) - 3*a(n-2) + a(n-3), a(0) = 1, a(1) = -2, a(2) = 4.at n=14A322504Prime numbersat n=45645