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A187937 Number of (n+2)X8 binary arrays with every 2X2 subblock sum equal to some diagonal or antidiagonal neighbor 2X2 subblock sum 0
10296, 64024, 3394156, 94215422, 3490809390 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A187940

LINKS

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

EXAMPLE

Some solutions for 4X8

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

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

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

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

CROSSREFS

Sequence in context: A257184 A254984 A241788 * A154089 A227410 A227411

Adjacent sequences:  A187934 A187935 A187936 * A187938 A187939 A187940

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 16 2011

STATUS

approved

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Last modified October 16 01:11 EDT 2019. Contains 328038 sequences. (Running on oeis4.)