217795247domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) is the smallest prime q such that (r-q)/(q-p) = n, where p<q<r are consecutive primes (or 0 if no such prime exists).at n=30A179210Records in A179210.at n=10A278574a(n) is the least prime p such that q-p = n*(r-q) where p,q,r are consecutive primes.at n=30A358974Prime numbersat n=12007816