675643domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = prevprime(A090117(n)), the largest prime previous to squares given in A090117, being such that distance of a(n) to the following prime equals 2*n.at n=34A090118Primes p followed by a gap of 70 = nextprime(p) - p.at n=15A204792Prime numbersat n=54738