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A108395
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Number of pluperfect Latin squares of order n.
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1
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OFFSET
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1,2
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COMMENTS
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A Latin square is pluperfect if in each possible dissection of the Latin square into n translates of congruent rectangular blocks, no block contains duplicate symbols. For any prime number p, a(p) = A002860(p) and a(p^2) = A107739(p).
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LINKS
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CROSSREFS
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KEYWORD
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hard,nice,nonn
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AUTHOR
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STATUS
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approved
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