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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
OFFSET
1,2
COMMENTS
Diagonal of A183492
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
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 05 2011
STATUS
approved