178592domain: NAppears in sequencesVolume (multiplied by 3) of polyhedron formed by points (i,j,k) in Z^3 with i^2+j^2+k^2 = n^2.at n=26A065089Number of representations of n as a sum of products of pairs of positive integers, considered to be equivalent when terms or factors are reordered.at n=39A182269