%I #6 Dec 18 2015 18:18:00
%S 3,81,5853,2464241,5437970705,47274560618753,1735838281998728881
%N Number of n X n 0..2 arrays avoiding the patterns z z+1 z or z z1 z in any row, column, diagonal or antidiagonal
%C Diagonal of A207235
%e Some solutions for n=4
%e ..1..2..2..2....1..2..2..2....2..2..2..1....2..1..1..1....1..1..1..0
%e ..1..2..2..2....1..0..0..0....2..1..0..2....1..0..0..1....1..2..2..2
%e ..1..2..2..1....0..1..2..2....0..0..0..0....0..2..0..0....0..2..2..2
%e ..1..2..2..1....2..1..0..2....2..0..2..2....0..2..0..2....2..0..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 16 2012
