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!)
A188500 Number of n X n binary arrays without the pattern 0 1 0 diagonally, vertically or horizontally 0
2, 16, 229, 5626, 317751, 47153387, 15602080066, 10679333746605, 15965188461370862, 54469837118110826481, 418222453639358665952917, 7076429422309098758072976354, 264209106726567934754362229986426 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Diagonal of A188508
LINKS
EXAMPLE
Some solutions for 3X3
..1..1..1....1..1..1....1..0..1....0..0..0....0..0..1....0..0..1....1..0..0
..1..1..1....0..0..0....1..0..0....1..0..0....0..0..0....0..0..1....1..0..1
..0..0..1....1..1..1....0..0..0....1..1..1....0..0..0....1..1..0....1..1..1
CROSSREFS
Sequence in context: A047657 A233141 A223631 * A188515 A152542 A206877
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 02 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 March 19 02:55 EDT 2024. Contains 370952 sequences. (Running on oeis4.)