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Number of sudokus. (English)
J. Recreational Math. 33(2004-2005), No. 2, 120-124 (2005).
Summary: The author studies the structure of sudoku and determined the total number of sudokus by computer: 6, 670, 903, 752, 021, 072, 936, 960. In his article, he goes into sudokus as a special case of the Latin square and into transformation of sudokus.
Classification: A20
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