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A151515
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Number of 1-sided strip polyhexes with n cells.
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0
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1, 1, 2, 6, 15, 44, 121, 353, 1005, 2919, 8398, 24310, 70064, 202225, 582365, 1676889, 4821924, 13857720, 39787804
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,3
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LINKS
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Eric Weisstein's World of Mathematics, Polyhex
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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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