714840domain: NAppears in sequencesLeast common multiple of all cycle sizes in range [A014137(n-1)..A014138(n-1)] of permutation A127289/A127290.at n=7A127298Scaled coefficients of the M. O. Rubinstein polynomials.at n=41A153359Numbers k such that k=(a+b)*c=a*b+c for more than one triple (a,b,c) with 1<c<a<=b.at n=22A329169