%I #23 Mar 12 2018 03:19:29
%S 3,10,137,18144,2072036128
%N Number of maximal matchings in the n-polygon diagonal intersection graph.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/Matching.html">Matching</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/MaximalIndependentEdgeSet.html">Maximal Independent Edge Set</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/PolygonDiagonalIntersectionGraph.html">Polygon Diagonal Intersection Graph</a>
%Y Cf. A291947, A292921, A300531.
%K nonn,more
%O 3,1
%A _Eric W. Weisstein_, Mar 09 2018
%E a(7) from _Andrew Howroyd_, Mar 11 2018