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Search: id:A075201
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| A075201 |
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Number of polyominoes with n cells that tile the plane by 180-degree rotation (Conway criterion) but not by translation. |
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11
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| 0, 0, 0, 0, 3, 11, 60, 199, 748, 2181, 5391, 17193, 31881, 85942, 218760, 430339, 728315, 2344106, 3096983, 9344528, 17859116, 31658109, 49644736
(list; graph; listen)
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OFFSET
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1,5
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REFERENCES
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Branko Gruenbaum and G. C. Shephard, Tilings and Patterns. W. H. Freeman, New York, 1987, Section 9.4.
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LINKS
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Joseph Myers, Polyomino tiling
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CROSSREFS
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Cf. A054359, A075198, A075199, A075200, A075202, A075203, A075204, A075205, A075206, A075210, A075219.
Sequence in context: A112368 A152796 A007807 this_sequence A136440 A007146 A076475
Adjacent sequences: A075198 A075199 A075200 this_sequence A075202 A075203 A075204
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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), Sep 08 2002
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EXTENSIONS
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More terms from Joseph Myers (jsm(AT)polyomino.org.uk), Nov 04 2003
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