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A305568
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Number of bachelor diagonal Latin squares of order n with the first row in ascending order.
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3
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OFFSET
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1,5
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COMMENTS
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A bachelor diagonal Latin square is one with no orthogonal mate.
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LINKS
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E. I. Vatutin, Special types of diagonal Latin squares, Cloud and distributed computing systems in electronic control conference, within the National supercomputing forum (NSCF - 2022). Pereslavl-Zalessky, 2023. pp. 9-18. (in Russian)
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FORMULA
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CROSSREFS
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KEYWORD
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nonn,more,hard
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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