%I #4 Mar 31 2012 12:36:02
%S 22236,3017724,173403770,15211806726,1112996493332
%N Number of (n+1)X5 0..3 arrays with every 2X2 subblock determinant equal to some horizontal or vertical neighbor 2X2 subblock determinant
%C Column 4 of A185609
%e Some solutions for 3X5
%e ..0..0..3..3..1....0..0..0..2..1....0..0..1..0..2....0..0..3..0..3
%e ..0..0..0..0..0....0..0..2..3..1....0..0..3..0..2....0..0..1..0..2
%e ..1..2..2..1..0....2..0..2..1..0....3..0..3..0..1....1..0..3..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 31 2011