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Pantactic Squares
Published online by Cambridge University Press: 03 November 2016
Extract
Consider a square array of 25 grid squares, the grid squares being of two types distinguished by the colours black and white. A basic square of four adjacent grid squares can be selected from such a square array in 16 possible ways. If these 16 basic squares are all distinguishably coloured, then the 5x5 square array is said to be pantactic.
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- Copyright © Mathematical Association 1965
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