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A189157 Number of nX5 binary arrays without the pattern 0 0 1 1 diagonally, vertically or horizontally 1
28, 784, 21952, 424401, 8210464, 151889331, 2710884810, 48083827685, 844714479714, 14772128520081, 257802672361640, 4491710608316816, 78198928468727304, 1360792591701114315, 23673324742422186018 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A189161

LINKS

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

EXAMPLE

Some solutions for 4X5

..0..1..0..1..0....0..0..1..0..1....0..1..0..0..1....0..0..0..0..1

..0..0..1..0..0....1..0..1..0..1....1..1..1..1..1....1..1..1..0..0

..0..1..0..0..1....0..0..1..0..1....0..1..1..0..1....0..1..0..1..1

..1..1..1..0..0....0..1..0..0..0....0..1..1..0..0....1..1..0..0..1

CROSSREFS

Sequence in context: A189907 A189339 A189775 * A267732 A009972 A114037

Adjacent sequences:  A189154 A189155 A189156 * A189158 A189159 A189160

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 17 2011

STATUS

approved

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Last modified April 12 22:03 EDT 2021. Contains 342933 sequences. (Running on oeis4.)