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A070767
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Number of polyhexes with n cells that do not tile the plane.
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3
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0, 0, 0, 0, 0, 5, 39, 394, 2784, 19164, 118762, 579460, 3110267, 15264387, 75007623, 369928203, 1817475619, 8913862144, 43914857957, 216555328193, 1070588132492
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,6
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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.
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LINKS
| Joseph Myers, Polyhex tiling
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CROSSREFS
| Cf. A000228, A070766, A038144, A070768, A054360.
Sequence in context: A115187 A129763 A182954 * A124549 A024216 A127189
Adjacent sequences: A070764 A070765 A070766 * A070768 A070769 A070770
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KEYWORD
| hard,nonn
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AUTHOR
| Joseph Myers (jsm(AT)polyomino.org.uk), May 05 2002
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EXTENSIONS
| More terms from Joseph Myers (jsm(AT)polyomino.org.uk), Nov 06 2003
a(20) and a(21) from Joseph Myers (jsm(AT)polyomino.org.uk), Nov 21 2010
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