Numbers n such that there exist three nonnegative integers a,b, and c satisfying n=a*b and (a^2+b^2)/(1+a*b) = c^2.

A268198

Numbers n such that there exist three nonnegative integers a,b, and c satisfying n=a*b and (a^2+b^2)/(1+a*b) = c^2.