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Search: id:A071334
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| A071334 |
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Number of polyiamonds with n cells without holes that do not tile the plane. |
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+0
3
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| 0, 0, 0, 0, 0, 0, 1, 0, 20, 103, 594, 1192, 6290, 18099, 54808, 159048, 502366, 1374593, 4076218, 11378831, 32674779, 93006494, 264720498, 748062099, 2134512296, 6071524897, 17289205132, 49268564671
(list; graph; listen)
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OFFSET
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1,9
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REFERENCES
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M. Gardner, Tiling with Polyominoes, Polyiamonds and Polyhexes. Chap. 14 in Time Travel and Other Mathematical Bewilderments. New York: W. H. Freeman, pp. 175-187, 1988.
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LINKS
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Joseph Myers, Polyiamond tiling
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CROSSREFS
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Equals A070765-A071332 and A071333-A070764, cf. A054361, A070768.
Sequence in context: A113599 A077757 A126859 this_sequence A045768 A088831 A063785
Adjacent sequences: A071331 A071332 A071333 this_sequence A071335 A071336 A071337
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KEYWORD
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hard,nonn
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AUTHOR
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Joseph Myers (jsm(AT)polyomino.org.uk), May 19 2002
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EXTENSIONS
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More terms from Joseph Myers (jsm(AT)polyomino.org.uk), Nov 11 2003
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