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A188565 Number of nX7 binary arrays without the pattern 1 1 1 diagonally, vertically or horizontally 1
81, 6561, 237116, 11433452, 550371695, 25507294349, 1199747927824, 56394861720488, 2646119200975135, 124263900074691604, 5835027374030395082, 273966247390359990893, 12864061918841330330771, 604024661760799430803651 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A188567

LINKS

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

EXAMPLE

Some solutions for 3X7

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

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

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

CROSSREFS

Sequence in context: A206870 A181223 A223977 * A207087 A207181 A188752

Adjacent sequences:  A188562 A188563 A188564 * A188566 A188567 A188568

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 04 2011

STATUS

approved

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Last modified August 12 07:10 EDT 2022. Contains 356067 sequences. (Running on oeis4.)