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A Very, Very Magic Square

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Description: A 25x25 magic square with 25 sub-squares and other properties. Maple program and PostScript files available for download.
The following 25x25 matrix is a magic square.It has the following properties: Then entries of the square are the numbers 1,2,...,625=25x25. All its column sums, row sums and both diagonal sums are all equal to 7825=25x(1+625)/2.
Size: 228 chars

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