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A290711
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Number of irredundant sets in the n X n queen graph.
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2
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OFFSET
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1,1
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COMMENTS
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The maximum size of an irredundant set in the n X n queen graph is A075692(n). - Andrew Howroyd, Aug 09 2017
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LINKS
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Table of n, a(n) for n=1..8.
Matthew D. Kearse and Peter B. Gibbons, Computational Methods and New Results for Chessboard Problems, CDMTCS Research Reports CDMTCS-133 (2000).
Eric Weisstein's World of Mathematics, Irredundant Set
Eric Weisstein's World of Mathematics, Queen Graph
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CROSSREFS
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Cf. A075692, A286883, A287070, A291103.
Sequence in context: A036780 A051501 A221681 * A228837 A206155 A135378
Adjacent sequences: A290708 A290709 A290710 * A290712 A290713 A290714
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KEYWORD
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nonn,more
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AUTHOR
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Eric W. Weisstein, Aug 09 2017
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EXTENSIONS
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a(5)-a(8) from Andrew Howroyd, Aug 19 2017
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STATUS
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approved
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