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%I #4 Mar 31 2012 12:35:59
%S 43295,55386,73139,104312,207470,503298,1633604,7390644,37119266,
%T 201919862,1162693358,6783440940,40025476760,238338172356,
%U 1422237022574,8503994861102,50939995724510
%N 1/12 the number of (n+2)X7 0..2 arrays with each 3X3 subblock containing three of each value
%C Column 5 of A184386
%e Some solutions with a(1,1)=0 for 4X7
%e ..0..1..1..0..2..0..0....0..2..1..1..2..1..0....0..1..2..2..0..1..0
%e ..0..1..0..0..1..1..2....0..2..0..0..1..0..1....0..0..1..0..1..2..2
%e ..2..2..2..2..1..2..0....1..1..2..0..2..2..0....2..1..2..0..1..2..0
%e ..0..1..1..0..2..0..0....0..1..2..1..1..2..0....0..1..2..2..0..1..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 12 2011