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A223110 Number of 7Xn 0..2 arrays with exactly 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 14 2013 17:18:07

%S 0,111104,137988216,183046326118,158311829556848,213925430588811826,

%T 178267875091681095647,246859798712745076757039,

%U 203854469855977979939565927

%N Number of 7Xn 0..2 arrays with exactly 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 A223104

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

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

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Mar 14 2013

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Last modified April 24 10:49 EDT 2024. Contains 371935 sequences. (Running on oeis4.)