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!)
A231528 Number of 6Xn 0..1 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors 1
64, 261, 18721, 571226, 15000701, 451200772, 14940780666, 476186342599, 14723977144889, 457772945684867, 14379443320523238, 451520043526895518, 14134809455898239484, 442341751627382776887, 13854804160752439932243 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 6 of A231523
LINKS
EXAMPLE
Some solutions for n=3
..1..1..0....0..1..0....1..0..1....0..0..0....0..0..0....0..1..1....1..0..0
..0..0..0....0..0..1....0..1..0....1..0..0....1..0..0....0..0..1....1..0..0
..0..0..0....1..0..0....0..0..0....1..0..1....1..1..1....1..0..0....1..0..0
..0..1..1....0..0..1....0..0..1....0..0..0....0..0..1....0..1..1....1..0..0
..0..0..0....1..1..0....0..0..0....0..0..1....0..0..0....1..0..1....1..0..0
..0..0..1....0..0..0....1..0..0....0..1..0....0..0..1....0..1..0....0..1..1
CROSSREFS
Sequence in context: A107262 A255662 A045029 * A333604 A259406 A029873
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 August 16 21:21 EDT 2024. Contains 375191 sequences. (Running on oeis4.)