The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)
A231542 Number of nX6 0..1 arrays with no element less than a strict majority of its horizontal, vertical and antidiagonal neighbors 1
21, 485, 15644, 417298, 10928292, 296647240, 8028429092, 216093538039, 5824887373442, 157116139854017, 4236458479008102, 114226125421270745, 3080023255353736892, 83050203150277226101, 2239360680062968080067 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A231544
LINKS
EXAMPLE
Some solutions for n=3
..1..0..0..0..0..0....1..0..1..1..0..1....1..0..1..1..1..1....0..1..0..0..0..0
..0..1..1..1..0..0....0..0..0..0..0..1....0..0..1..0..0..0....0..0..0..0..0..0
..0..0..0..0..0..0....1..0..0..0..0..1....0..0..0..0..0..1....0..1..0..1..0..1
CROSSREFS
Sequence in context: A089907 A015695 A006299 * A065921 A129993 A359852
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 10 2013
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 May 16 10:41 EDT 2024. Contains 372552 sequences. (Running on oeis4.)