%I #7 Sep 21 2017 15:33:31
%S 47,3481623075352
%N Number of independent vertex sets and vertex covers in the n-Sierpinski carpet graph.
%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/SierpinskiCarpetGraph.html">Sierpinski Carpet Graph</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/VertexCover.html">Vertex Cover</a>
%K nonn,more,bref
%O 1,1
%A _Eric W. Weisstein_, Sep 21 2017