A070767 - OEIS

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

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OFFSET

1,6

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

Table of n, a(n) for n=1..21.

Joseph Myers, Polyhex tiling

CROSSREFS

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

Sequence in context: A182954 A215506 A316654 * A124549 A308939 A317618

Adjacent sequences: A070764 A070765 A070766 * A070768 A070769 A070770

KEYWORD

hard,nonn

AUTHOR

Joseph Myers, May 05 2002

EXTENSIONS

More terms from Joseph Myers, Nov 06 2003

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

STATUS

approved