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A187934 Number of (n+2)X5 binary arrays with every 2X2 subblock sum equal to some diagonal or antidiagonal neighbor 2X2 subblock sum 1
304, 704, 7616, 50802, 435194, 3394156, 27734942, 222519352, 1806824700, 14613188788, 118539179458, 960617285450, 7792028797892, 63191254464846, 512612165552564, 4158105409259042, 33732198233141518, 273646099830762238 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A187940

LINKS

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

EXAMPLE

Some solutions for 4X5

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

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

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

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

CROSSREFS

Sequence in context: A214608 A158932 A270303 * A300538 A300965 A300922

Adjacent sequences:  A187931 A187932 A187933 * A187935 A187936 A187937

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 16 2011

STATUS

approved

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Last modified September 17 22:53 EDT 2019. Contains 327147 sequences. (Running on oeis4.)