93463domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes having square prime gaps to both neighbor primes.at n=23A353088a(1)=2; thereafter a(n) = a(n-1) + gpf(a(n-1)) - 1, where gpf = greatest prime factor = A006530.at n=40A389408Prime numbersat n=9024