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Number of 6-cycles in the n-polygon diagonal intersection graph.
4

%I #9 Mar 11 2018 21:45:10

%S 0,0,35,91,98,272,279,530,561,1440,1079,1904,1890,3360,3128,6066,4579,

%T 7580,6993,10648,10212,18696,13875,19968,18981,26936,25056,47130,

%U 32953,44864,41184,55386,52500,74808,63714,86564,84045,105840,102049,149982,119196

%N Number of 6-cycles in the n-polygon diagonal intersection graph.

%H Andrew Howroyd, <a href="/A300554/b300554.txt">Table of n, a(n) for n = 3..100</a>

%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/GraphCycle.html">Graph Cycle</a>

%Y Cf. A062361 (3-cycles), A300552 (4-cycles), A300553 (5-cycles).

%K nonn

%O 3,3

%A _Eric W. Weisstein_, Mar 08 2018

%E Terms a(21) and beyond from _Andrew Howroyd_, Mar 11 2018