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%I #3 Mar 31 2012 12:35:08
%S 1,7,1855,488509,4884669475,48533789554789,18312348548135120059
%N 1/8 of the number of 8-colorings of an n X n array symmetric under 180 degree rotation.
%K nonn
%O 1,2
%A _R. H. Hardin_, Oct 05 2008