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Search: id:A075199
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| A075199 |
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Number of polyominoes with n cells that tile the plane by translation but not by 180-degree rotation (Conway criterion). |
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+0
11
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| 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 10, 135, 142, 591, 2667, 5291, 6863, 35876, 34819, 161812, 272329, 454465, 651720
(list; graph; listen)
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OFFSET
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1,10
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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, A075200, A075201, A075202, A075203, A075204, A075205, A075206, A075208, A075217.
Sequence in context: A011838 A118183 A134051 this_sequence A134981 A087417 A091990
Adjacent sequences: A075196 A075197 A075198 this_sequence A075200 A075201 A075202
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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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