cp's OEIS Frontend

A160540 The number of distinct n X n panmagic = pandiagonal = diabolic = Nasik squares, not counting rotations, reflections, or row/column cyclings of others, with the additional property that each i X j rectangle, including each "wrap-around" i X j rectangle, where i and j are positive integers whose product is n, also sums to the magic constant A006003(n) = n(n^2+1)/2.