87100domain: NAppears in sequencesNonnegative values x of solutions (x, y) to the Diophantine equation x^2+(x+569)^2 = y^2.at n=10A101152Number of (w,x,y,z) with all terms in {1,...,n} and w^3<=x^3+y^3+z^3.at n=18A212098