%I
%S 1,13,322,16953,1701473,360549804,148654946039,127200605449247,
%T 215287155239348168
%N 1/16 the number of (n+1)X(n+1) binary arrays with no 2X2 subblock being a reflection across the shared element pair of any horizontal or vertical neighbor
%C Diagonal of A183811
%e Some solutions with upper left block zero for 3X3
%e ..0..0..1....0..0..1....0..0..0....0..0..1....0..0..1....0..0..1....0..0..1
%e ..0..0..0....0..0..1....0..0..1....0..0..1....0..0..0....0..0..1....0..0..1
%e ..0..1..1....0..1..1....0..1..0....1..1..0....1..1..0....0..1..0....1..0..0
%K nonn
%O 1,2
%A _R. H. Hardin_ Jan 07 2011
|