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A151535
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Number of 1-sided strip polycairos with n cells.
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4
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1, 3, 7, 19, 47, 125, 310, 803, 2020, 5144, 12986, 32829, 82728, 208461, 524092, 1317284, 3305350, 8291010, 20770830
(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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Table of n, a(n) for n=1..19.
Ed Pegg, Jr., Illustrations of polyforms
Eric Weisstein's World of Mathematics, Polycairo
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CROSSREFS
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Cf. A159866, A151534, A151536.
Sequence in context: A209397 A110014 A026581 * A181360 A001372 A179467
Adjacent sequences: A151532 A151533 A151534 * A151536 A151537 A151538
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KEYWORD
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nonn,hard,more
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AUTHOR
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Ed Pegg, Jr., (ed(AT)mathpuzzle.com), May 13 2009
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EXTENSIONS
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a(13)-a(19) from Joseph Myers, Oct 03 2011
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STATUS
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approved
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