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Equals one maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and antidiagonal neighbors in a random 0..1 nX5 array
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%I #4 Dec 16 2012 12:07:24

%S 16,371,8334,165130,3162375,59690533,1120269376,20961430054,

%T 391477041024,7301113014734,136014086356403,2531419892514045,

%U 47074407789101798,874763025888567980,16244954731049984109,301509938118179385606

%N Equals one maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and antidiagonal neighbors in a random 0..1 nX5 array

%C Column 5 of A220579

%H R. H. Hardin, <a href="/A220576/b220576.txt">Table of n, a(n) for n = 1..33</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 16 2012