95886domain: NAppears in sequencesNumbers n such that A078142(n) = A078142(n+1) = A078142(n+2), where A078142(n) is the sum of the differences of the distinct prime factors p of n and the next square larger than p.at n=21A073938Sum of the lengths of the cycles at a vertex of the complete graph K_n.at n=5A141834