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%I #5 Mar 31 2012 12:35:53
%S 10572,574185,27768032,1376627608,68026656422,3366668183708,
%T 166653005250320,8251614370134644,408619818725184342,
%U 20236484168674868650,1002238533164802053394,49638595435230968839084
%N 1/6 the number of (n+1)X7 0..2 arrays with every 2X2 subblock containing all three values
%C Column 6 of A183603
%H R. H. Hardin, <a href="/A183600/b183600.txt">Table of n, a(n) for n = 1..200</a>
%e Some solutions with a(1,1)=0 for 3X7
%e ..0..0..2..0..1..1..2....0..0..0..1..2..2..0....0..0..0..0..1..0..1
%e ..1..2..1..0..2..0..1....1..2..1..2..0..1..0....1..2..1..2..2..0..2
%e ..2..0..2..0..1..0..2....2..0..0..1..2..0..2....0..0..0..1..0..1..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 05 2011
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