173293domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumbers in A137365 but not in A137366.at n=18A138556Primes p such that 2*p^2 - 7, 2*p^2 - 1, and 2*p^2 + 3 are prime.at n=24A356510Prime numbersat n=15778