%I #4 Mar 31 2012 12:35:54
%S 2187,79605,2518389,89998565,3023598287,106324742825,3645190453457,
%T 127200605449247,4393367308414597
%N 1/16 the number of (n+1)X9 binary arrays with no 2X2 subblock being a reflection across the shared element pair of any horizontal or vertical neighbor
%C Column 8 of A183811
%e Some solutions with upper left block zero for 3X9
%e ..0..0..0..1..1..0..0..0..1....0..0..0..0..1..1..1..1..1
%e ..0..0..1..1..0..1..1..0..0....0..0..1..1..1..0..0..1..1
%e ..1..1..1..0..1..1..1..1..0....0..1..1..0..0..1..0..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 07 2011