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A189901 Number of nX5 binary arrays without the pattern 0 0 1 1 diagonally, vertically, antidiagonally or horizontally 1
28, 784, 21952, 372850, 6442436, 101895401, 1518596226, 22333076803, 319934642768, 4537262993168, 63834288477978, 892671848458793, 12444325266903474, 173027620927389879, 2402063580660811510 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A189905

LINKS

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

EXAMPLE

Some solutions for 4X5

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

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

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

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

CROSSREFS

Sequence in context: A224193 A224010 A171302 * A189907 A189339 A189775

Adjacent sequences:  A189898 A189899 A189900 * A189902 A189903 A189904

KEYWORD

nonn

AUTHOR

R. H. Hardin May 01 2011

STATUS

approved

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Last modified September 22 02:48 EDT 2021. Contains 347605 sequences. (Running on oeis4.)