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A183466
Number of n X n binary arrays with every element equal to either the sum mod 2 of its vertical neighbors or the sum mod 2 of its horizontal neighbors
0
1, 6, 33, 550, 21280, 1625205, 295884064, 121507526212, 109033312482811, 221192898468933365, 1004038485574289617464
OFFSET
1,2
COMMENTS
Diagonal of A183474
EXAMPLE
Some solutions for 4X4
..0..0..1..0....0..0..0..0....0..0..1..1....0..1..1..0....0..1..0..0
..0..0..1..0....1..0..1..1....0..0..0..0....0..0..0..0....0..1..0..1
..0..0..0..0....1..1..0..0....1..1..0..1....0..0..1..1....0..0..0..1
..0..0..1..1....1..1..1..0....0..0..0..1....0..0..0..0....1..1..0..0
CROSSREFS
Sequence in context: A354890 A046707 A337825 * A112289 A354479 A283232
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 05 2011
STATUS
approved