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%I #4 Nov 07 2012 12:40:29
%S 1,65,436,3617,26635,201960,1530846,11617859,88207678,669575111,
%T 5082650645,38581655789,292872656082,2223190550341,16876170296292,
%U 128106451991984,972451948238336,7381852115978817,56035406540101182
%N Unmatched value maps: number of 4Xn binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..1 4Xn array
%C Row 4 of A218842
%H R. H. Hardin, <a href="/A218845/b218845.txt">Table of n, a(n) for n = 1..37</a>
%e Some solutions for n=3
%e ..0..0..1....1..0..0....1..0..0....1..0..0....1..1..0....0..0..1....1..1..0
%e ..1..0..0....1..0..1....1..0..1....0..0..0....0..0..1....0..0..0....0..0..1
%e ..0..1..1....1..0..0....0..0..1....0..0..1....1..0..0....1..0..0....1..0..0
%e ..1..1..1....0..1..1....0..0..1....0..0..0....1..0..1....1..0..0....1..0..0
%K nonn
%O 1,2
%A _R. H. Hardin_ Nov 07 2012
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