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%I #5 Dec 18 2015 18:18:52
%S 0,2,6,18,232,5304,227270,18030130,2764522654,770199142784
%N Number of n X n 0..1 arrays with no element equal to the same number of vertical neighbors as horizontal neighbors, with new values 0..1 introduced in row major order
%C Diagonal of A240649
%e Some solutions for n=4
%e ..0..0..0..1....0..0..0..0....0..1..0..1....0..0..0..0....0..1..1..0
%e ..1..1..1..1....1..1..0..1....0..1..0..1....1..1..1..1....0..0..0..0
%e ..0..1..0..1....0..0..0..1....0..1..0..1....0..0..0..0....0..0..0..0
%e ..0..1..0..1....1..1..0..1....0..1..0..1....1..1..1..1....0..1..1..0
%K nonn
%O 1,2
%A _R. H. Hardin_, Apr 09 2014
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