%I #4 Mar 13 2018 13:00:48
%S 1,3,112,172959
%N Chromatic invariant of the n-polygon diagonal intersection graph.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/ChromaticInvariant.html">Chromatic Invariant</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/PolygonDiagonalIntersectionGraph.html">Polygon Diagonal Intersection Graph</a>
%K nonn,more
%O 3,2
%A _Eric W. Weisstein_, Mar 13 2018
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