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A336764
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Maximum number of order 3 subsquares in a Latin square of order n.
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0
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OFFSET
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1,6
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COMMENTS
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A subsquare of a Latin square is a submatrix (not necessarily consisting of adjacent entries) which is itself a Latin square. (I. M. Wanless, Latin Squares with One Subsquare, Wiley and Sons)
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LINKS
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FORMULA
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a(3^n) = 9*a(3^(n-1)) + 27^(n-1) (conjectured).
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CROSSREFS
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KEYWORD
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nonn,hard,more
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AUTHOR
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STATUS
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approved
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