Tilings with squares as possible (Erich Friedmann)	Discuss about this problem
Tile a square with area n(n+1)/2 with rectangles with area 1, 2, 3, . . . n so that the minimal aspect ratio is as large as possible (the rectangles are all as square as possible). http://www.stetson.edu/~efriedma/mathmagic/0899.html Please send us a simpler description.