-14641 17424 9839 72² 23² 9839 5184 529 (84i)² 25009 (49i)² -7056 25009 -2401 Look at http://www.oddwheel.com/, with some other studies. The above magic square can be found from his table of contents 0B, 15th page (or directly http://www.oddwheel.com/Image_...