login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A093877 Number of fixed n-celled polyzebras (or zebra-move-connected polyominoes). 4
1, 4, 28, 234, 2162, 21272, 218740, 2323730, 25314097, 281299736, 3176220308, 36332751862 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

A polyzebra is a (2,3) leaper. A polyzebra need not be connected in the usual edge-connected sense.

LINKS

Table of n, a(n) for n=1..12.

CROSSREFS

Cf. A030444 (polyknights).

Sequence in context: A202824 A046904 A030444 * A151830 A112113 A188266

Adjacent sequences:  A093874 A093875 A093876 * A093878 A093879 A093880

KEYWORD

nonn,more

AUTHOR

Guenter Stertenbrink (Sterten(AT)aol.com), May 21 2004

EXTENSIONS

a(11) from Joseph Myers, May 21 2004

a(12) (computed by Gadi Aleksandrowicz's program) by Gill Barequet, Jun 09 2011

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy .

Last modified April 27 01:03 EDT 2018. Contains 303149 sequences. (Running on oeis4.)