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%I #5 Mar 31 2012 12:36:11
%S 380,14832,203584,3415196,53468700,878907878,14070003616,228625683370,
%T 3680915898074,59626244517814,962293522215168,15566719628153548,
%U 251445428797343950,4065446796913711010,65691624104999816724
%N Number of (n+1)X6 binary arrays with every 2X2 subblock sum equal to exactly one or two horizontal and vertical neighbor 2X2 subblock sums
%C Column 5 of A188311
%H R. H. Hardin, <a href="/A188307/b188307.txt">Table of n, a(n) for n = 1..22</a>
%e Some solutions for 3X6
%e ..0..1..0..1..1..1....0..0..0..1..1..0....0..1..0..0..1..1....1..0..1..0..1..0
%e ..0..1..0..0..1..0....0..1..0..1..0..1....1..1..1..1..0..1....1..1..0..1..1..1
%e ..1..0..1..0..1..0....0..0..0..1..1..0....0..1..0..0..1..1....0..1..0..1..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 27 2011
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