354023domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(0) = 3; for n > 0, a(n) is the greatest prime factor of a(n-1)^2 - 2.at n=11A031440Primes p such that p+2 is the square of a product of 3 distinct primes.at n=8A164519Initial primes of 5 consecutive primes with consecutive gaps 8,6,4,2.at n=30A289907Prime numbersat n=30294