134683domain: NPropertiesPrimalityPrimeyesAppears in sequencesLeast k >= 6 such that A087666(k) = n.at n=31A087710Primes of the form p^2 + p - q, where p and q are consecutive primes.at n=16A099183Primes of form p^2-6, p also a prime.at n=20A162905Prime numbersat n=12553