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A200571
Number of n X n 0..2 arrays with no average of any element and its horizontal and vertical neighbors equal to one
0
2, 36, 2174, 938128, 2421467558, 36460159508108
OFFSET
1,1
COMMENTS
Diagonal of A200579
EXAMPLE
Some solutions for n=3
..1..2..2....0..0..2....2..0..2....2..0..0....2..0..1....2..2..0....0..2..0
..2..2..1....0..0..2....0..2..0....2..0..2....0..2..0....0..1..2....2..1..2
..2..2..2....2..2..1....2..2..2....1..2..0....2..2..0....2..2..0....2..0..2
CROSSREFS
Sequence in context: A126934 A303503 A178949 * A213985 A203021 A319507
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 19 2011
STATUS
approved