%I #6 Dec 10 2015 02:01:21
%S 10876432,583496376,36783376600,2915195222352,273204243466080
%N Number of (n+1) X 7 0..3 arrays with no 2 X 2 subblock having the same number of clockwise edge increases as its horizontal neighbors or the same number of counterclockwise edge increases as its vertical neighbors.
%C Column 6 of A205954.
%e Some solutions for n=4:
%e ..2..2..0..2..3..3..0....1..0..3..2..3..3..0....2..0..3..0..1..3..2
%e ..1..2..1..2..0..1..1....0..2..2..3..3..3..1....0..1..1..3..2..0..0
%e ..2..3..3..2..3..1..1....0..2..2..1..2..0..0....0..1..1..0..1..0..2
%e ..3..3..3..1..3..0..3....0..1..3..3..2..3..2....1..2..0..3..2..3..0
%e ..3..3..2..1..2..0..2....2..1..2..0..1..1..2....1..1..1..2..1..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 02 2012