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%I #3 Feb 28 2013 17:10:07
%S 0,5440,159672,11082863,301760538,27752564898,832227066041,
%T 83923543594779,2708485928608316,290028583892214392,
%U 9899860627729886022
%N Number of 7Xn 0..2 arrays with exactly floor(7Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order
%C Row 7 of A222690
%e Some solutions for n=3
%e ..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..1....0..0..0
%e ..1..0..1....0..1..0....0..1..1....0..0..1....0..0..1....0..0..0....0..0..0
%e ..1..1..1....1..0..0....1..1..2....1..1..2....2..1..0....0..0..0....0..0..0
%e ..1..1..1....0..0..2....1..1..1....2..1..1....1..2..1....0..0..0....0..0..1
%e ..2..1..1....0..2..2....1..1..1....1..1..1....1..2..2....0..0..0....0..0..1
%e ..1..1..1....2..2..2....1..1..0....1..1..2....2..2..2....0..1..2....1..0..0
%e ..1..1..2....2..2..2....1..0..0....1..1..1....2..2..2....2..2..0....0..1..2
%K nonn
%O 1,2
%A _R. H. Hardin_ Feb 28 2013
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