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A220584 Equals one maps: number of 6Xn binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and antidiagonal neighbors in a random 0..1 6Xn array.

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%I A220584 #5 Jul 23 2025 01:15:23
%S A220584 1,2048,5835,2352642,59690533,4239598056,178051989526
%N A220584 Equals one maps: number of 6Xn binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and antidiagonal neighbors in a random 0..1 6Xn array.
%C A220584 Row 6 of A220579
%e A220584 Some solutions for n=3
%e A220584 ..1..1..1....0..1..0....0..0..0....1..0..1....0..0..1....1..0..1....0..1..0
%e A220584 ..1..0..1....0..0..1....0..0..1....1..0..1....1..1..0....1..0..1....0..1..1
%e A220584 ..1..1..0....1..0..1....1..1..0....1..0..1....0..1..1....1..0..1....1..0..1
%e A220584 ..0..1..0....1..0..1....0..1..0....1..0..0....1..0..1....1..0..0....1..1..1
%e A220584 ..0..1..0....1..1..1....0..0..1....0..0..1....1..0..1....0..1..1....1..0..0
%e A220584 ..0..1..0....1..0..1....1..1..1....1..0..1....1..0..1....1..1..0....0..0..0
%K A220584 nonn
%O A220584 1,2
%A A220584 _R. H. Hardin_ Dec 16 2012

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