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A300513
Number of (undirected) Hamiltonian cycles in the n-polygon diagonal intersection graph.
3
1, 4, 56, 3900, 16015496, 140897335664, 4437432714568987812822
OFFSET
3,2
LINKS
Eric Weisstein's World of Mathematics, Hamiltonian Cycle
Eric Weisstein's World of Mathematics, Polygon Diagonal Intersection Graph
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Mar 08 2018
EXTENSIONS
a(8)-a(9) from Andrew Howroyd, Mar 11 2018
STATUS
approved