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A057786
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Number of polykites with n cells.
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2
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1, 2, 4, 10, 27, 85, 262, 873, 2917, 10011, 34561, 120815, 424468, 1501441, 5334181, 19035075, 68167472, 244928324, 882555803, 3188480899, 11546307356
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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REFERENCES
| Computed by Brendan Owen.
Jaime Rangel-Mondragon, Polyominoes and Related Families, The Mathematica Journal, 9:3 (2005), 609-640.
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LINKS
| Ed Pegg, Jr., Illustrations of polyforms
Andrew Clarke, Other Polyforms
Eric Weisstein's World of Mathematics, Polykites
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CROSSREFS
| Sequence in context: A202058 A148107 A148108 * A007776 A123428 A005975
Adjacent sequences: A057783 A057784 A057785 * A057787 A057788 A057789
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KEYWORD
| nonn,nice,hard
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Nov 04 2000
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EXTENSIONS
| More terms from Brendan Owen (brendan_owen(AT)yahoo.com), Jan 20 2002
Link updated by William Rex Marshall (w.r.marshall(AT)actrix.co.nz), Dec 16 2009
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