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%I #13 Aug 20 2017 09:56:35
%S 2,5,38,447,7103,155787,4230944,151369830
%N Number of irredundant sets in the n X n queen graph.
%C The maximum size of an irredundant set in the n X n queen graph is A075692(n). - _Andrew Howroyd_, Aug 09 2017
%H Matthew D. Kearse and Peter B. Gibbons, <a href="http://hdl.handle.net/2292/3642">Computational Methods and New Results for Chessboard Problems</a>, CDMTCS Research Reports CDMTCS-133 (2000).
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/IrredundantSet.html">Irredundant Set</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/QueenGraph.html">Queen Graph</a>
%Y Cf. A075692, A286883, A287070, A291103.
%K nonn,more
%O 1,1
%A _Eric W. Weisstein_, Aug 09 2017
%E a(5)-a(8) from _Andrew Howroyd_, Aug 19 2017
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