login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A232003
Number of (6+1)X(n+1) 0..1 arrays with no element having a strict majority of its horizontal and antidiagonal neighbors equal to one
1
441, 20228, 582169, 15851094, 362293156, 9716967198, 260600040100, 6852070589078, 177894774798400, 4661337687736680, 122496320127636049, 3213588535900581920, 84211127572876273225, 2207535316308016634720
OFFSET
1,1
COMMENTS
Row 6 of A231997
LINKS
EXAMPLE
Some solutions for n=3
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..0..1..0..1....0..1..0..1....0..0..0..1....0..0..1..0....0..0..0..1
..0..0..0..0....0..0..0..0....0..0..1..1....1..0..0..0....0..0..0..0
..0..0..0..1....1..1..0..0....1..0..0..0....0..0..1..0....1..1..1..0
..1..1..0..0....1..0..1..0....0..1..0..1....0..0..0..0....0..0..0..1
..1..0..0..0....0..0..0..0....1..0..0..1....0..0..0..0....0..1..0..0
..1..1..0..0....0..0..0..1....0..0..0..0....0..1..0..0....1..0..0..1
CROSSREFS
Sequence in context: A321337 A206467 A264262 * A221248 A220680 A189278
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 16 2013
STATUS
approved