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!)
A231537 Number of n X n 0..1 arrays with no element less than a strict majority of its horizontal, vertical and antidiagonal neighbors 0
2, 6, 116, 5235, 698721, 296647240, 377320795091, 1427091915943685, 16275505874784645068, 559452975372572489151940, 57794335929868421679761670649, 17952766686511189002062020444856828 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Diagonal of A231544
LINKS
EXAMPLE
Some solutions for n=4
..1..1..1..1....1..1..0..0....1..1..1..0....0..0..0..0....0..0..1..0
..1..0..0..0....0..0..1..0....0..0..0..0....0..0..0..1....0..1..0..0
..0..0..0..1....0..0..0..0....0..1..1..0....1..0..0..0....0..0..0..0
..1..0..1..1....0..0..0..0....0..0..0..1....1..1..0..0....0..0..0..0
CROSSREFS
Sequence in context: A156500 A264889 A365669 * A303441 A075391 A212158
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 April 19 10:56 EDT 2024. Contains 371791 sequences. (Running on oeis4.)