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A189910 Number of 8Xn binary arrays without the pattern 0 0 1 1 diagonally, vertically, antidiagonally or horizontally 0
177, 31329, 5545233, 354894796, 22333076803, 1435483321366, 94632691298302, 6207537762978575, 401408206411689570, 25850136024684855135 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 8 of A189905

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for 8X4

..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0

..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0

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

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

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

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

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

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

CROSSREFS

Sequence in context: A052461 A173375 A069398 * A189904 A189160 A053018

Adjacent sequences:  A189907 A189908 A189909 * A189911 A189912 A189913

KEYWORD

nonn

AUTHOR

R. H. Hardin May 01 2011

STATUS

approved

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Last modified September 24 22:46 EDT 2021. Contains 347651 sequences. (Running on oeis4.)