%I #4 Dec 14 2013 07:47:24
%S 12073496,6552999568,3530630987208,2127910272105792,
%T 1299207938978711788,807381482186804765728,503834532970292342872224,
%U 315668050076034647825083096,198001373547025265433700559818
%N Number of (n+1)X(7+1) 0..3 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 6
%C Column 7 of A233635
%H R. H. Hardin, <a href="/A233634/b233634.txt">Table of n, a(n) for n = 1..172</a>
%e Some solutions for n=1
%e ..0..0..0..3..3..3..0..1....0..0..0..1..0..1..0..0....0..0..0..3..3..1..3..2
%e ..0..3..1..1..0..3..3..3....0..3..3..3..1..3..3..3....0..3..2..3..0..1..0..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 14 2013