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%I #6 Dec 18 2015 18:17:27
%S 2,5,39,1899,526941,553836104,2209503331909,33131995796175560,
%T 1855564362850749460006,386500467555938135363021737
%N Number of n X n binary arrays with the number of 0-1 adjacencies equal to the number of 0-0 adjacencies
%C Diagonal of A183262
%e Some solutions for 3X3
%e ..0..0..0....0..0..0....1..0..1....1..1..1....1..1..1....0..0..1....0..0..0
%e ..0..1..0....0..1..1....0..0..0....1..1..1....0..0..1....0..0..0....0..1..0
%e ..1..0..0....0..1..1....0..0..1....1..1..1....0..0..1....1..1..1....1..1..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 03 2011
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