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A183484 Number of n X n 0..3 arrays with every element equal to either the sum mod 4 of its vertical neighbors or the sum mod 4 of its horizontal neighbors 0
1, 28, 281, 17260, 9580528, 2596400089 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Diagonal of A183492

LINKS

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

EXAMPLE

Some solutions for 3X3

..2..3..0....0..0..0....0..0..0....0..3..3....2..2..0....0..3..3....3..3..0

..2..3..0....2..1..2....3..2..2....0..2..2....1..1..0....0..0..0....0..0..0

..0..0..0....2..1..2....3..2..2....0..1..1....2..2..0....1..1..0....2..2..0

CROSSREFS

Sequence in context: A300297 A250649 A107418 * A241621 A027781 A219626

Adjacent sequences:  A183481 A183482 A183483 * A183485 A183486 A183487

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 05 2011

STATUS

approved

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Last modified January 24 13:11 EST 2022. Contains 350538 sequences. (Running on oeis4.)