%I #8 Sep 13 2017 10:45:57
%S 1,1,72,41409,69477328800
%N Number of maximum matchings in the n X n rook complement graph.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/MaximumIndependentEdgeSet.html">Maximum Independent Edge Set</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/RookComplementGraph.html">Rook Complement Graph</a>
%K nonn,more
%O 1,3
%A _Eric W. Weisstein_, Sep 11 2017
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