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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 1
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

R. H. Hardin, Table of n, a(n) for n = 1..200

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 * A117613 A215740 A109271

Adjacent sequences:  A183305 A183306 A183307 * A183309 A183310 A183311

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 03 2011

STATUS

approved

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Last modified February 25 14:46 EST 2018. Contains 299654 sequences. (Running on oeis4.)