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A183524 Number of nX7 0..2 arrays with each element equal to either the sum mod 3 of its horizontal and vertical neighbors or the sum mod 3 of its diagonal and antidiagonal neighbors 0
37, 2803, 47685, 1521573, 56562977, 1908431611 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A183526

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for 3X7

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

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

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

CROSSREFS

Sequence in context: A295039 A295530 A174750 * A105839 A141087 A218822

Adjacent sequences:  A183521 A183522 A183523 * A183525 A183526 A183527

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 05 2011

STATUS

approved

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Last modified July 29 09:41 EDT 2021. Contains 346344 sequences. (Running on oeis4.)