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A151537
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Number of 1-sided polyedges with n edges.
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3
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1, 2, 7, 25, 99, 416, 1854, 8411, 38980, 182829, 867096, 4145168, 19955321, 96619260, 470157772
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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Ishino Keiichiro, Polyedge, Puzzle will be played, 2009.
Eric Weisstein's World of Mathematics, Polyedge
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CROSSREFS
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KEYWORD
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nonn,hard,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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