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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A183387 Half the number of n X n binary arrays with no element unequal to a strict majority of its king-move neighbors 0
1, 1, 1, 4, 21, 148, 2376, 48868, 1730057, 102043638, 9184967738, 1385925975119 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

COMMENTS

Diagonal of A183391

LINKS

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

EXAMPLE

Some solutions with a(1,1)=0 for 8X8

..0..0..0..0..0..0..0..0....0..0..0..0..0..1..1..1....0..0..0..1..1..0..0..0

..0..0..1..1..0..0..0..0....0..0..0..0..0..1..1..1....0..0..0..1..1..0..0..0

..0..1..1..1..1..0..0..0....1..1..1..0..0..1..1..1....0..0..1..1..1..1..0..0

..0..1..1..1..1..0..0..0....1..1..1..1..1..0..0..0....1..1..1..0..0..1..1..1

..0..0..1..1..0..0..0..0....1..1..1..1..1..0..0..0....1..1..0..0..0..0..1..1

..0..0..0..0..0..0..1..1....0..0..0..1..1..1..0..0....0..0..0..0..0..0..1..1

..1..1..1..0..0..1..1..1....0..0..0..0..1..1..1..1....0..0..0..0..0..1..1..1

..1..1..1..1..1..1..1..1....0..0..0..0..1..1..1..1....0..0..0..0..0..1..1..1

CROSSREFS

Sequence in context: A006153 A286286 A277505 * A324236 A025164 A316370

Adjacent sequences:  A183384 A183385 A183386 * A183388 A183389 A183390

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 04 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
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 16 12:30 EDT 2019. Contains 327098 sequences. (Running on oeis4.)