login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
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
Joseph Myers, Polyhex tiling
CROSSREFS
Sequence in context: A354771 A075214 A360887 * A111772 A233005 A018190
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 17 2010
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 29 11:14 EDT 2024. Contains 371278 sequences. (Running on oeis4.)