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A183308 Half the number of nX7 binary arrays with no element equal to a strict majority of its horizontal and vertical neighbors 2
8, 22, 205, 1798, 19899, 206755, 2160250, 22504107, 234636215, 2447317278, 25539919635, 266563403686, 2782185688787, 29038350922976, 303075629656107, 3163217395827118, 33014647369487612, 344575588242732515 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A183312
LINKS
EXAMPLE
Some solutions with a(1,1)=0 for 7X4
..0..1..0..1....0..1..0..1....0..0..1..0....0..1..0..1....0..1..0..1
..1..0..0..1....1..0..1..0....1..1..0..1....0..1..0..1....0..1..0..1
..1..0..1..0....1..0..1..0....0..1..0..1....1..0..1..0....1..1..0..0
..0..1..0..1....0..1..0..1....1..0..1..0....0..1..1..0....0..0..1..1
..0..1..0..0....1..1..0..1....0..1..0..1....0..1..0..1....1..1..0..0
..1..0..1..1....0..0..1..0....1..1..0..0....1..0..0..1....0..1..0..1
..1..0..1..0....1..0..1..0....0..0..1..1....0..1..1..0....1..0..1..0
CROSSREFS
Sequence in context: A026593 A131622 A217275 * A362825 A117613 A215740
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 03 2011
STATUS
approved

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Last modified April 17 10:33 EDT 2024. Contains 371763 sequences. (Running on oeis4.)