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Magic ConstantThe magic constant of a magic square is the sum of numbers in any row, column, and diagonal of the magic square. For example, the magic square shown below has a magic constant of 15. If a magic square of order n is normal (i.e. it contains the numbers 1 to n²), its magic constant depends only on n and has the value - .
The magic constants of normal magic squares of order n = 3, 4, 5, … are (sequence A006003 in OEIS): - 15, 34http://www.muljadi.org/MagicSquares.htm, 65, 111, 175, 260, …
The term magic constant is similarly applied to other "magic" figures such as magic stars and magic cubes. External link
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