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%I #4 Dec 13 2012 10:02:12
%S 1,21,136,757,5114,33247,211944,1358599,8710809,55837516,357929465,
%T 2294335738,14706528192,94267737477,604248583206,3873181842138,
%U 24826757202429,159137319721129,1020056076249840,6538468564699587
%N Majority value maps: number of 3Xn binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..1 3Xn array
%C Row 3 of A220386
%H R. H. Hardin, <a href="/A220388/b220388.txt">Table of n, a(n) for n = 1..67</a>
%e Some solutions for n=3
%e ..1..0..1....0..0..0....0..0..1....1..0..1....0..0..0....0..0..1....1..1..1
%e ..1..1..0....1..1..1....1..1..0....1..1..1....1..1..0....0..1..0....0..1..0
%e ..0..0..0....1..0..0....1..0..0....1..1..1....1..0..0....1..1..1....1..1..1
%K nonn
%O 1,2
%A _R. H. Hardin_ Dec 13 2012
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