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%I #5 Mar 31 2012 12:37:05
%S 64512,2676888,141909312,8198181984,477819318768,27897722118120,
%T 1628712097341660,95091782591632620,5551790775718046736,
%U 324133422870396074820,18924020866032456231624,1104849034008524704887600
%N Number of (n+1)X7 0..2 arrays with the number of equal 2X2 subblock diagonal pairs and equal antidiagonal pairs differing from each horizontal or vertical neighbor, and new values 0..2 introduced in row major order
%C Column 6 of A205335
%H R. H. Hardin, <a href="/A205333/b205333.txt">Table of n, a(n) for n = 1..19</a>
%e Some solutions for n=4
%e ..0..0..0..0..0..1..1....0..1..1..0..2..1..2....0..1..0..1..2..0..2
%e ..1..0..0..2..2..0..0....2..2..1..2..1..2..2....1..0..0..2..2..1..0
%e ..1..2..0..1..2..0..0....1..2..0..1..2..2..2....2..0..0..0..0..2..2
%e ..0..1..1..1..0..1..1....0..0..2..1..1..0..2....0..2..0..0..1..2..1
%e ..2..2..1..1..1..0..1....1..0..1..0..2..1..1....0..0..2..1..0..1..2
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 26 2012
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