出典:Wiktionary
pandiagonal magic square (複数形 pandiagonal magic squares)
出典:Wikipedia
出典:『Wikipedia』 (2011/03/07 20:13 UTC 版)
A pandiagonal magic square or panmagic square (also diabolic square, diabolical square or diabolical magic square) is a magic square with the additional property that the broken diagonals, i.e. the diagonals that wrap round at the edges of the square, also add up to the magic constant.