%I #23 Mar 11 2018 13:19:10
%S 3,12,75,369,2744,5284,47502,75010,447777,305928,2826213,2737574,
%T 13415370,11249496,51687174,20411883,169877974,130816100,491279628,
%U 374381117,1284687103,589507200,3090684250,2235035062,6923313000,4868270582,14611365945,4263149880
%N Wiener index of the n-polygon diagonal intersection graph.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/PolygonDiagonalIntersectionGraph.html">Polygon Diagonal Intersection Graph</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/WienerIndex.html">Wiener Index</a>
%Y Cf. A293365, A296007, A300526.
%K nonn
%O 3,1
%A _Eric W. Weisstein_, Mar 09 2018
%E a(15)-a(30) from _Andrew Howroyd_, Mar 10 2018