18727199domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that 2p^2-1, 3p^2-2, 4p^2-3, 5p^2-4 and 6p^2-5 are also prime.at n=13A213125Primes p such that (k+1)*p^2-k are prime for k=1..6.at n=1A213159Prime numbersat n=1194741