%I #5 Mar 31 2012 12:37:07
%S 81,2943,327501,103275303,87381878025,193311671549253,
%T 1103442692933402073,16171078560726954322707,
%U 607154926010685736292686917
%N Number of (n+1)X(n+1) 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock the same
%C Diagonal of A205909
%e Some solutions for n=4
%e ..2..2..1..1..2....0..1..1..2..0....1..1..1..2..1....2..1..0..1..2
%e ..2..1..1..2..2....1..0..2..0..1....1..2..1..1..1....1..2..1..0..1
%e ..2..1..2..2..1....0..1..0..2..0....1..2..2..1..2....2..1..2..1..2
%e ..2..1..1..2..0....0..2..1..0..1....2..2..0..1..1....1..2..0..2..0
%e ..2..2..2..2..2....2..0..2..1..2....1..2..0..0..0....1..0..1..0..2
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 01 2012
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