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A189907 Number of 5Xn binary arrays without the pattern 0 0 1 1 diagonally, vertically, antidiagonally or horizontally 1
28, 784, 21952, 377517, 6442436, 109264923, 1841998924, 30880712109, 513953862828, 8524935994485, 141100741163866, 2331559436006836, 38495167111404534, 635205147205219239, 10477659617370128080 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A189905

LINKS

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

EXAMPLE

Some solutions for 5X4

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

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

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

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

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

CROSSREFS

Sequence in context: A224010 A171302 A189901 * A189339 A189775 A189157

Adjacent sequences:  A189904 A189905 A189906 * A189908 A189909 A189910

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.)