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Equals one maps: number of 5Xn binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and antidiagonal neighbors in a random 0..1 5Xn array
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%I #3 Dec 16 2012 12:12:53

%S 1,512,1487,205323,3162375,106841503,2449921734,65126683335

%N Equals one maps: number of 5Xn binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and antidiagonal neighbors in a random 0..1 5Xn array

%C Row 5 of A220579

%e Some solutions for n=3

%e ..1..0..0....1..0..1....1..0..1....1..0..1....1..0..1....0..0..0....0..0..0

%e ..0..0..1....1..1..1....1..1..0....1..0..0....1..1..0....0..0..0....0..0..0

%e ..1..0..0....1..0..0....0..0..1....0..1..0....0..0..0....0..0..1....0..0..0

%e ..0..0..1....0..0..1....1..0..1....0..0..1....0..1..1....1..0..0....0..0..0

%e ..1..1..1....1..1..1....1..0..0....1..0..0....1..1..0....0..0..0....0..1..1

%K nonn

%O 1,2

%A _R. H. Hardin_ Dec 16 2012