A075201 Number of polyominoes with n cells that tile the plane by 180-degree rotation (Conway criterion) but not by translation.

0, 0, 0, 0, 3, 11, 60, 199, 748, 2181, 5391, 17193, 31881, 85942, 218760, 430339, 728315, 2344106, 3096983, 9344528, 17859116, 31658109, 49644736, 172596719, 228795554

Offset

1,5

References

Branko Grünbaum and G. C. Shephard, Tilings and Patterns. W. H. Freeman, New York, 1987, Section 9.4.

Links

Table of n, a(n) for n=1..25.

Joseph Myers, Polyomino tiling

Crossrefs

Cf. A054359, A075198, A075199, A075200, A075202, A075203, A075204, A075205, A075206, A075210, A075219.

Sequence in context: A112368 A152796 A007807 * A362911 A136440 A303871

Adjacent sequences: A075198 A075199 A075200 * A075202 A075203 A075204

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