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%I #5 Feb 17 2014 07:15:41
%S 20,146,260,1820,3752,24818,56612,355364,872600,5238356,13605608,
%T 78675128,213600848,1196862482,3368311460,18375903380,53276769080,
%U 284073991196,844510526840,4414662677384,13408173196592,68889810592532
%N Number of (n+2)X(1+2) 0..1 arrays with the (lower) medians of each row unequal to its neighbors and each column equal to its neighbors
%C Column 1 of A238026
%H R. H. Hardin, <a href="/A238021/b238021.txt">Table of n, a(n) for n = 1..89</a>
%e Some solutions for n=5
%e ..0..1..1....1..1..1....1..1..0....1..1..1....1..1..1....0..1..0....0..0..0
%e ..0..0..1....1..0..0....1..0..0....0..0..1....0..1..0....1..0..1....1..1..0
%e ..1..0..1....1..1..1....1..1..1....1..1..1....1..1..1....0..0..0....0..0..1
%e ..1..0..0....0..1..0....1..0..0....0..1..0....0..0..1....1..1..0....1..1..0
%e ..1..1..1....0..1..1....1..1..1....1..0..1....1..0..1....0..0..1....0..1..0
%e ..0..1..0....1..0..0....0..0..1....0..0..1....0..1..0....1..0..1....1..0..1
%e ..1..1..1....0..1..1....0..1..1....1..1..1....1..1..1....0..0..0....0..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 17 2014
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