%I #5 Dec 18 2015 18:18:27
%S 1,3,34,5896,1615706,8113737592,39461160617203,3271351045573714833,
%T 264112864034567015904268
%N Number of n X n 0..3 arrays with exactly floor(n X n/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order
%C Diagonal of A222794
%e Some solutions for n=3
%e ..0..0..0....0..0..0....0..0..0....0..0..1....0..1..1....0..0..0....0..0..0
%e ..0..0..1....0..0..1....0..0..1....2..3..3....2..1..1....1..2..2....0..0..0
%e ..0..0..2....2..0..0....1..0..0....3..3..3....1..1..1....2..2..2....1..0..2
%K nonn
%O 1,2
%A _R. H. Hardin_ Mar 05 2013