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%I #5 Mar 31 2012 12:37:33
%S 2668077,3398046223,4327063104645,5512336193872815,
%T 7022635194726704581,8946828669222001072923,
%U 11398269977304081985788081,14521414001971479753332954339,18500305591567510345480379056213
%N Number of (n+1)X7 0..2 arrays with every 2X2 subblock having one, two or three distinct clockwise edge differences
%C Column 6 of A210390
%H R. H. Hardin, <a href="/A210388/b210388.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..2..2..1..1..1..1..0....2..1..1..1..1..2..0....1..2..0..1..2..1..2
%e ..0..0..0..1..1..1..0....1..2..2..1..1..1..1....0..0..2..1..2..0..1
%e ..2..1..2..1..1..1..0....2..1..2..2..2..0..1....2..0..1..0..0..2..1
%e ..1..0..0..0..1..1..1....0..0..2..1..1..0..2....1..0..0..0..1..2..2
%e ..2..0..1..2..1..2..1....1..2..0..1..1..2..2....2..1..2..1..0..2..2
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 20 2012
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