A pyramid of lcm x 1cm x 1cm cubes is formed. The bottom layer has 1 anrrangement of these cubes. The second layer has a 9 angangement. The layer has a 7 x 7 arrangement. The fouth layer has a 5 x 5 arrangement. The fifth layer has a 3 x 3 arrangement. The toplayer is a single cube. The sidtes and tops of the pyamid were painted (not the bottom). How many square centimeters in total were painted?
