%I
%S 81,270,750,2244,4944,11712,35904,79104,187392,574464,1265664,2998272,
%T 9191424,20250624,47972352,147062784,324009984,767557632,2353004544,
%U 5184159744,12280922112,37648072704,82946555904,196494753792
%N Number of (n+1)X(n+1) 0..2 arrays with every 2X3 or 3X2 subblock having exactly one clockwise edge increases
%C Diagonal of A207050
%H R. H. Hardin, <a href="/A207042/b207042.txt">Table of n, a(n) for n = 1..28</a>
%e Some solutions for n=4
%e ..2..0..0..1..1....2..2..0..0..0....0..0..1..1..0....1..2..2..2..1
%e ..2..0..0..0..1....2..2..2..0..0....0..1..1..1..2....2..2..2..0..0
%e ..2..2..0..0..0....1..2..2..2..0....1..1..1..2..2....2..2..0..0..0
%e ..2..2..2..0..0....1..1..2..2..2....1..1..2..2..2....2..0..0..0..2
%e ..0..2..2..2..0....1..1..1..2..2....1..2..2..2..1....2..0..0..2..2
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 14 2012
