%I #4 Sep 21 2017 15:27:07
%S 2,35,70633,121039421240
%N Number of independent vertex sets and vertex covers in the n X n X n grid graph.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/GridGraph.html">Grid Graph</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/IndependentVertexSet.html">Independent Vertex Set</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/VertexCover.html">Vertex Cover</a>
%K nonn,more
%O 1,1
%A _Eric W. Weisstein_, Sep 21 2017
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