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A189159 Number of nX7 binary arrays without the pattern 0 0 1 1 diagonally, vertically or horizontally 1
96, 9216, 884736, 48460966, 2710884810, 139543984265, 6787471566616, 327166323321331, 15463232072168424, 725494470365730502, 33890063050246876236, 1577540791665774040985, 73320840584238660162738 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A189161

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..145

EXAMPLE

Some solutions for 4X7

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

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

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

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

CROSSREFS

Sequence in context: A000545 A189909 A189903 * A254286 A216039 A208443

Adjacent sequences:  A189156 A189157 A189158 * A189160 A189161 A189162

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 17 2011

STATUS

approved

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Last modified September 16 23:53 EDT 2021. Contains 347477 sequences. (Running on oeis4.)