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A075199 Number of polyominoes with n cells that tile the plane by translation but not by 180-degree rotation (Conway criterion). 10
0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 10, 135, 142, 591, 2667, 5291, 6863, 35876, 34819, 161812, 272329, 454465, 651720, 3441853, 3442733 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,10
REFERENCES
Branko Grünbaum and G. C. Shephard, Tilings and Patterns. W. H. Freeman, New York, 1987, Section 9.4.
LINKS
Joseph Myers, Polyomino tiling
CROSSREFS
Sequence in context: A336537 A118183 A134051 * A134981 A087417 A270589
KEYWORD
hard,nonn
AUTHOR
Joseph Myers, Sep 08 2002
EXTENSIONS
More terms from Joseph Myers, Nov 04 2003
a(24) and a(25) from Joseph Myers, Nov 17 2010
STATUS
approved

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Last modified April 20 14:06 EDT 2024. Contains 371844 sequences. (Running on oeis4.)