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A183553 Number of nX8 0..2 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors 0
129, 113841, 33169105, 10339213765, 3221377019429, 1003889179688773, 313000943874975793, 97587614786720584857 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 8 of A183554

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

Some solutions for 3X8

..0..0..0..2..2..1..2..2....0..0..0..0..1..0..2..2....0..0..0..1..1..0..0..0

..0..0..0..2..2..1..1..2....0..0..0..1..1..0..0..2....0..0..0..0..0..0..0..0

..0..0..0..2..2..2..1..2....0..0..0..0..1..1..0..0....0..0..0..2..2..2..2..0

CROSSREFS

Sequence in context: A143006 A176368 A283535 * A242229 A351137 A138586

Adjacent sequences:  A183550 A183551 A183552 * A183554 A183555 A183556

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 05 2011

STATUS

approved

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Last modified May 18 23:31 EDT 2022. Contains 353826 sequences. (Running on oeis4.)