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A291948
Number of independent vertex sets and vertex covers in the n-polygon diagonal intersection graph.
4
4, 8, 46, 1301, 9594689, 2547502844, 81612865961374672886095, 83148730861613724622207922410, 42669506698822879024139962361064916979679786913819225043370, 52055549652690422060940235190389701045195623263738558
OFFSET
3,1
LINKS
Eric Weisstein's World of Mathematics, Independent Vertex Set
Eric Weisstein's World of Mathematics, Polygon Diagonal Intersection Graph
Eric Weisstein's World of Mathematics, Vertex Cover
CROSSREFS
KEYWORD
nonn
AUTHOR
Eric W. Weisstein, Mar 09 2018
EXTENSIONS
a(9)-a(12) from Andrew Howroyd, Mar 10 2018
STATUS
approved