5116320domain: NAppears in sequencesNumber of diagonal dissections of an n-gon into 7 regions.at n=7A033279Number of diagonal dissections of a convex (n+9)-gon into n+1 regions.at n=6A033281Amicable quadruples: the numbers b referred to in A036471.at n=3A036472Lenstra numbers with 6 divisors in a single residue class.at n=14A146544