|
|
A070766
|
|
Number of polyhexes with n cells that tile the plane.
|
|
12
|
|
|
1, 1, 3, 7, 22, 77, 294, 1054, 3788, 11326, 24790, 103641, 164559, 532510, 1574252, 2939898, 4761009, 21048218, 24306306, 95707819, 205176450
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,3
|
|
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
|
|
|
CROSSREFS
|
|
|
KEYWORD
|
hard,nonn
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|