Simple magic square
Encyclopedia
A simple magic square is the lowest of two basic classes of magic square
Magic square
In recreational mathematics, a magic square of order n is an arrangement of n2 numbers, usually distinct integers, in a square, such that the n numbers in all rows, all columns, and both diagonals sum to the same constant. A normal magic square contains the integers from 1 to n2...

. It has the minimum requirements for a square to be considered magic. All lines parallel to the edges, plus the two main diagonals must sum to the magic constant.

The other class of magic square is most often called a pandiagonal magic square, but also sometimes it is called perfect or nasik.

Of course, within these two main classes are a great many varieties of magic squares.
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