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Half the number of (n+2)X8 binary arrays with no 3X3 subblock having a sum equal to any horizontal or vertical neighbor 3X3 subblock sum
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%I #4 Mar 31 2012 12:36:10

%S 1353088,13520976,122812784,993918272,11568061339

%N Half the number of (n+2)X8 binary arrays with no 3X3 subblock having a sum equal to any horizontal or vertical neighbor 3X3 subblock sum

%C Column 6 of A187964

%e Some solutions for 4X8 with a(1,1)=0

%e ..0..0..1..0..0..0..1..1....0..0..0..0..0..0..0..1....0..0..0..1..1..1..1..1

%e ..0..0..0..1..1..0..1..0....0..0..0..1..1..1..1..0....0..0..1..1..1..0..0..1

%e ..0..0..0..0..0..0..0..1....0..0..0..1..0..1..0..1....0..0..0..1..1..1..0..0

%e ..0..0..0..0..0..1..1..1....0..0..1..0..1..0..0..0....0..0..1..1..1..0..1..0

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 16 2011