A070767 Number of polyhexes with n cells that do not tile the plane.

0, 0, 0, 0, 0, 5, 39, 394, 2784, 19164, 118762, 579460, 3110267, 15264387, 75007623, 369928203, 1817475619, 8913862144, 43914857957, 216555328193, 1070588132492

Offset: 1

Author

Joseph Myers, May 05 2002

Keywords

• hard
• nonn

References

• M. Gardner, Tiling with Polyominoes, Polyiamonds and Polyhexes. Chap. 14 in Time Travel and Other Mathematical Bewilderments. New York: W. H. Freeman, pp. 175-187, 1988.

Links

• Joseph Myers, Polyhex tiling

Crossrefs

Cf. A000228, A070766, A038144, A070768, A054360.

Extensions

More terms from Joseph Myers, Nov 06 2003

a(20) and a(21) from Joseph Myers, Nov 21 2010