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%I #16 Mar 14 2018 21:23:04
%S 4,154,590758,1802246183451,293119768028784487443194853,
%T 6847055572110659846249685434808006218502,
%U 329006717321720584815533566625832791131643415327125586967980443690210211214635047145
%N Number of edge covers in the n-polygon diagonal intersection graph.
%C Term a(10) has 114 decimal digits. - _Andrew Howroyd_, Mar 11 2018
%H Andrew Howroyd, <a href="/A300530/b300530.txt">Table of n, a(n) for n = 3..10</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/EdgeCover.html">Edge Cover</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/PolygonDiagonalIntersectionGraph.html">Polygon Diagonal Intersection Graph</a>
%Y Cf. A291947, A300550.
%K nonn
%O 3,1
%A _Eric W. Weisstein_, Mar 08 2018
%E a(6)-a(10) from _Andrew Howroyd_, Mar 11 2018