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Number of 7Xn 0..2 arrays with no more than floor(7Xn/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order
0

%I #3 Mar 15 2013 05:36:24

%S 365,406400,354680696,461597847603,372676751243307,508211382191466327,

%T 408653905036011361072,572145383755562675739043,

%U 461434483273403102749210672

%N Number of 7Xn 0..2 arrays with no more than floor(7Xn/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order

%C Row 7 of A223126

%e Some solutions for n=3

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

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

%e ..1..0..1....0..1..2....1..0..2....0..1..0....1..0..1....1..0..0....1..0..2

%e ..2..0..2....0..1..2....0..0..1....0..1..0....2..0..2....1..2..0....2..0..0

%e ..2..1..0....0..1..2....0..2..0....2..1..2....2..1..2....0..2..1....1..0..1

%e ..0..0..2....0..0..1....0..2..0....0..1..1....2..0..1....1..2..1....2..0..1

%e ..1..0..1....1..0..1....1..2..0....0..1..2....1..0..1....1..2..1....1..2..1

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 15 2013