A183552 - OEIS

A183552

Number of nX7 0..2 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors

63, 25785, 3721925, 569461759, 87176303417, 13344696858771, 2043774880960645, 313000943874975793, 47935484320796681363, 7341240634658342843595, 1124298676282804824274345, 172184481387904369618417369

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OFFSET

1,1

COMMENTS

Column 7 of A183554

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..18

EXAMPLE

Some solutions for 3X7

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

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

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

CROSSREFS

Sequence in context: A327416 A001238 A230183 * A210824 A110852 A212859

Adjacent sequences: A183549 A183550 A183551 * A183553 A183554 A183555

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 05 2011

STATUS

approved