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Number of n X n 0..3 arrays with each element equal to either the sum mod 4 of its horizontal and vertical neighbors or the sum mod 4 of its diagonal and antidiagonal neighbors
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%I #6 Dec 18 2015 18:17:32

%S 1,16,133,16704,1150368

%N Number of n X n 0..3 arrays with each element equal to either the sum mod 4 of its horizontal and vertical neighbors or the sum mod 4 of its diagonal and antidiagonal neighbors

%C Diagonal of A183541

%e Some solutions for 3X3

%e ..0..2..2....2..2..0....0..3..1....3..0..0....0..1..0....2..1..2....0..1..3

%e ..2..3..0....0..1..2....1..1..2....0..3..0....3..1..3....1..2..0....3..3..2

%e ..2..0..3....2..2..1....0..3..1....0..0..0....1..2..1....2..0..0....0..1..3

%K nonn

%O 1,2

%A _R. H. Hardin_ Jan 05 2011