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%I #4 Mar 31 2012 12:36:06
%S 10419200,30161413056,28533024476512,37393297725524928,
%T 43448233709038001344
%N Number of (n+1)X8 0..3 arrays with every 2X2 subblock trace equal to exactly one or two horizontal and vertical neighbor 2X2 subblock traces
%C Column 7 of A186923
%e Some solutions for 3X8
%e ..0..1..1..3..0..1..3..2....0..1..1..3..1..3..3..2....0..1..1..0..1..3..2..3
%e ..0..0..0..0..0..3..3..1....0..0..0..0..1..3..3..3....0..0..0..0..3..2..2..3
%e ..0..0..0..0..0..3..1..1....0..0..0..0..0..3..3..3....0..0..0..0..0..0..3..3
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 28 2011