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A183507
Number of nX5 0..3 arrays with no element equal to the sum mod 4 of its horizontal and vertical neighbors
0
252, 59292, 14369472, 3486784401, 847298204784, 205891132094649
OFFSET
1,1
COMMENTS
Column 5 of A183508
EXAMPLE
Some solutions for 3X5
..2..2..2..2..1....2..0..0..1..2....2..0..0..2..0....0..0..0..1..2
..2..0..1..0..0....0..0..0..2..0....0..0..1..1..0....2..2..2..1..2
..2..1..0..3..2....0..3..0..0..3....0..1..3..0..2....2..1..0..3..0
CROSSREFS
Sequence in context: A180886 A078263 A289293 * A203385 A248165 A289567
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 05 2011
STATUS
approved