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A186552 1/8192 the number of (n+2)X8 0..3 arrays with each 3X3 subblock trace equal to some horizontal or vertical neighbor 3X3 subblock trace 0
111188198, 435599518160, 891778365437358, 2292090739550640497, 5583822993675095945553 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A186553
LINKS
EXAMPLE
Some solutions for 4X8
..0..0..0..2..1..3..0..2....0..0..0..2..2..3..0..2....0..0..0..2..2..1..0..2
..0..0..0..0..2..2..2..1....0..0..0..0..0..2..0..2....0..0..0..0..0..0..2..1
..0..0..0..0..0..0..1..0....0..0..0..0..0..2..0..0....0..0..0..0..0..2..2..1
..0..0..0..0..0..0..3..2....0..0..0..0..0..0..1..1....0..0..0..0..0..0..3..3
CROSSREFS
Sequence in context: A202082 A262499 A068538 * A147581 A281448 A171571
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 23 2011
STATUS
approved

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Last modified May 22 19:48 EDT 2024. Contains 372758 sequences. (Running on oeis4.)