A075199 Number of polyominoes with n cells that tile the plane by translation but not by 180-degree rotation (Conway criterion).

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

Offset

1,10

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, A075200, A075201, A075202, A075203, A075204, A075205, A075206, A075208, A075217.

Sequence in context: A336537 A118183 A134051 * A134981 A087417 A270589

Adjacent sequences: A075196 A075197 A075198 * A075200 A075201 A075202

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