%I #4 Dec 20 2013 07:33:42
%S 649450,193116778,57647946980,17566272589090,5391006112450218,
%T 1661285969383854576,513096321262694789718,158690337181889624875158,
%U 49123836190724283158557568,15216294709692549181512831606
%N Number of (n+1)X(7+1) 0..3 arrays with every 2X2 subblock having the absolute values of all six edge and diagonal differences no larger than 1
%C Column 7 of A234161
%H R. H. Hardin, <a href="/A234160/b234160.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=1
%e ..0..0..0..0..1..1..1..1....0..0..0..1..1..1..1..0....0..0..1..0..1..1..0..1
%e ..0..1..0..1..1..1..0..1....0..0..1..0..1..0..0..1....1..1..0..0..1..0..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 20 2013