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A189775 Number of nX5 binary arrays without the pattern 1 0 0 1 diagonally, vertically or horizontally 1
28, 784, 21952, 418550, 7767740, 136521398, 2475199422, 44835555921, 819898395901, 14951509967629, 272888201632045, 4974385897878190, 90702815452479941, 1653551877098790941, 30149461492149942101 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A189779

LINKS

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

EXAMPLE

Some solutions for 6X5

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

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

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

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

CROSSREFS

Sequence in context: A189901 A189907 A189339 * A189157 A267732 A009972

Adjacent sequences:  A189772 A189773 A189774 * A189776 A189777 A189778

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 27 2011

STATUS

approved

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Last modified April 17 23:03 EDT 2021. Contains 343071 sequences. (Running on oeis4.)