%I #6 Dec 18 2015 18:17:32

%S 1,6,33,550,21280,1625205,295884064,121507526212,109033312482811,

%T 221192898468933365,1004038485574289617464

%N Number of n X n binary arrays with every element equal to either the sum mod 2 of its vertical neighbors or the sum mod 2 of its horizontal neighbors

%C Diagonal of A183474

%e Some solutions for 4X4

%e ..0..0..1..0....0..0..0..0....0..0..1..1....0..1..1..0....0..1..0..0

%e ..0..0..1..0....1..0..1..1....0..0..0..0....0..0..0..0....0..1..0..1

%e ..0..0..0..0....1..1..0..0....1..1..0..1....0..0..1..1....0..0..0..1

%e ..0..0..1..1....1..1..1..0....0..0..0..1....0..0..0..0....1..1..0..0

%K nonn

%O 1,2

%A _R. H. Hardin_ Jan 05 2011