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%I #5 Mar 31 2012 12:36:11
%S 36,664,3784,30096,203584,1514522,10660334,77627954,553295656,
%T 3999339740,28648406172,206430645818,1481793194338,10663317931808,
%U 76610286157360,550993785392346,3960074619398180,28474664232145762,204684231700055702
%N Number of (n+1)X4 binary arrays with every 2X2 subblock sum equal to exactly one or two horizontal and vertical neighbor 2X2 subblock sums
%C Column 3 of A188311
%H R. H. Hardin, <a href="/A188305/b188305.txt">Table of n, a(n) for n = 1..200</a>
%e Some solutions for 3X4
%e ..1..0..1..1....1..1..1..1....0..1..1..1....1..0..1..1....0..0..1..0
%e ..0..1..1..1....1..1..0..1....1..1..1..1....1..1..1..0....1..1..0..1
%e ..1..0..1..1....1..1..0..1....1..0..0..0....1..1..1..1....0..0..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 27 2011
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