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!)
A185495 Number of (n+1)X8 binary arrays with every 2X2 subblock sum equal to some horizontal or vertical neighbor 2X2 subblock sum 0
3616, 631720, 52129536, 5020204316, 468319269164, 44566790792864 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A185497
LINKS
EXAMPLE
Some solutions for 4X8
..0..0..0..0..0..1..1..1....0..0..0..0..1..1..0..1....0..0..0..0..1..0..0..0
..0..0..0..1..1..1..1..0....0..0..0..0..0..0..1..0....0..1..0..1..0..0..1..0
..0..0..0..0..0..1..1..1....0..0..0..1..0..1..1..1....0..0..0..0..1..0..1..1
..0..0..0..1..1..0..0..1....0..0..0..1..0..0..1..0....0..0..0..1..1..1..0..1
CROSSREFS
Sequence in context: A270260 A106433 A188309 * A029829 A187745 A329539
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 29 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 17 14:36 EDT 2024. Contains 374377 sequences. (Running on oeis4.)