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A185990 1/128 the number of (n+2)X8 binary arrays with each 3X3 subblock trace equal to some horizontal or vertical neighbor 3X3 subblock trace 1
4838, 462288, 24122605, 1458949494, 86146689788, 5140797159777, 306579200951455, 18279829286165897, 1090083256585651730, 65003967929716099336, 3876360028556059733488, 231157367302985093575811 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A185993

LINKS

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

EXAMPLE

Some solutions for 4X8

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

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

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

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

CROSSREFS

Sequence in context: A153408 A281885 A183589 * A215949 A031838 A331664

Adjacent sequences:  A185987 A185988 A185989 * A185991 A185992 A185993

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 08 2011

STATUS

approved

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Last modified November 29 21:32 EST 2021. Contains 349416 sequences. (Running on oeis4.)