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%I #4 Dec 31 2012 06:36:54
%S 8,172,3322,58710,989020,16261308,263988148,4256750870,68391745316,
%T 1096704806282,17568167732952,281269561878252,4501843454461912,
%U 72042583248803298,1152793219615408052,18445647830197379358
%N Equals one maps: number of nX4 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and antidiagonal neighbors in a random 0..3 nX4 array
%C Column 4 of A221062
%H R. H. Hardin, <a href="/A221060/b221060.txt">Table of n, a(n) for n = 1..176</a>
%F Empirical: a(n) = 38*a(n-1) -527*a(n-2) +3412*a(n-3) -10701*a(n-4) +15146*a(n-5) -10333*a(n-6) +12220*a(n-7) -16455*a(n-8) +6382*a(n-9) -2097*a(n-10) +1296*a(n-11) for n>14
%e Some solutions for n=3
%e ..0..0..1..1....1..1..0..0....0..1..0..0....0..1..0..0....1..0..1..0
%e ..1..0..0..1....0..0..0..1....1..1..0..1....1..1..0..0....1..0..1..1
%e ..1..1..0..1....0..1..0..1....0..1..1..0....0..1..0..0....1..0..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Dec 31 2012
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