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A305569
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Number of bachelor diagonal Latin squares of order n.
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2
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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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Table of n, a(n) for n=1..8.
E. I. Vatutin, Discussion about properties of diagonal Latin squares at forum.boinc.ru (in Russian)
E. I. Vatutin, S. E. Kochemazov, O. S. Zaikin, I. I. Citerra, Estimation of the probability of finding orthogonal diagonal Latin squares among general diagonal Latin squares, Recognition - 2018. Kursk: SWSU, 2018. pp. 72-74. (in Russian)
Index entries for sequences related to Latin squares and rectangles
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FORMULA
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a(n) = A305568(n) * n!.
a(n) = A274806(n) - A305571(n).
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CROSSREFS
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Cf. A266177, A305568, A305571.
Sequence in context: A107511 A288471 A008410 * A289638 A289744 A287933
Adjacent sequences: A305566 A305567 A305568 * A305570 A305571 A305572
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KEYWORD
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nonn,more
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AUTHOR
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Eduard I. Vatutin, Jun 05 2018
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STATUS
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approved
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