13626407domain: NPropertiesPrimalityPrimeyesAppears in sequencesIncreasing peaks in the prime gap sequence A001632.at n=18A086978a(n) is the smallest prime q such that (q-p)/(r-q) = n, where p<q<r are consecutive primes (or 0 if none exist).at n=24A179256Prime numbersat n=887314