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A187961 Half the number of (n+2)X8 binary arrays with no 3X3 subblock having a sum equal to any horizontal or vertical neighbor 3X3 subblock sum 0
1353088, 13520976, 122812784, 993918272, 11568061339 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A187964

LINKS

Table of n, a(n) for n=1..5.

EXAMPLE

Some solutions for 4X8 with a(1,1)=0

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

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

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

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

CROSSREFS

Sequence in context: A157854 A234727 A184661 * A120609 A094914 A138027

Adjacent sequences: A187958 A187959 A187960 * A187962 A187963 A187964

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 16 2011

STATUS

approved

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Last modified January 27 21:49 EST 2023. Contains 359849 sequences. (Running on oeis4.)