163799domain: NAppears in sequencesNumber of partial mappings (or mapping patterns) from n points to themselves; number of partial endofunctions.at n=12A126285Euler elliptic Carmichael numbers for the elliptic curve y^2 = x^3 + 80.at n=28A290338Starts of runs of 3 consecutive factorial base Niven numbers (A118363).at n=27A328206