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A205589 Number of (n+1)X8 0..2 arrays with no 2X2 subblock having the same number of equal edges as its horizontal or vertical neighbors, and new values 0..2 introduced in row major order.

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%I A205589 #6 Jul 22 2025 18:56:53
%S A205589 383440,14668206,776680394,40477518336,2185708696857,118372688297292
%N A205589 Number of (n+1)X8 0..2 arrays with no 2X2 subblock having the same number of equal edges as its horizontal or vertical neighbors, and new values 0..2 introduced in row major order.
%C A205589 Column 7 of A205590
%e A205589 Some solutions for n=4
%e A205589 ..0..1..0..2..1..2..1..2....0..1..0..2..1..2..2..1....0..0..1..2..2..1..2..2
%e A205589 ..2..1..0..1..2..2..0..1....1..0..0..1..0..0..2..0....1..0..2..1..1..2..2..2
%e A205589 ..0..2..2..0..2..2..0..2....0..0..0..1..2..2..0..0....1..2..0..1..1..1..0..0
%e A205589 ..2..2..2..2..0..1..2..2....2..1..0..2..1..0..0..0....0..1..1..2..1..1..0..0
%e A205589 ..0..1..2..2..1..2..2..2....1..2..2..2..0..0..0..1....0..1..1..2..0..0..1..0
%K A205589 nonn
%O A205589 1,1
%A A205589 _R. H. Hardin_ Jan 29 2012

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