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A151540
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Number of 1-sided triangular strip polyedges with n cells.
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3
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1, 3, 14, 54, 239, 1007, 4375, 18728, 80572, 344651, 1473402, 6280556, 26732173
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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LINKS
| Ed Pegg, Jr., Illustrations of polyforms
Eric Weisstein's World of Mathematics, Polyedge
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CROSSREFS
| Cf. A151539, A151541, A159867.
Sequence in context: A179610 A166680 A104191 * A026544 A026527 A037786
Adjacent sequences: A151537 A151538 A151539 * A151541 A151542 A151543
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KEYWORD
| nonn,hard
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AUTHOR
| Ed Pegg, Jr., (ed(AT)mathpuzzle.com), May 13 2009
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EXTENSIONS
| a(9)-a(13) from Joseph Myers (jsm(AT)polyomino.org.uk), Oct 05 2011
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