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%I #5 Mar 31 2012 12:37:09
%S 60432,140802,408411,1814784,9653376,50843904,279003648,1502833632,
%T 7930959552,43524639072,234442046592,1237229690112,6789843695232,
%U 36572959268352,193007831657472,1059215616456192,5705381645862912
%N Number of (n+1)X6 0..2 arrays with every 2X3 or 3X2 subblock having exactly two clockwise edge increases
%C Column 5 of A205986
%H R. H. Hardin, <a href="/A205983/b205983.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = 156*a(n-3) for n>10
%e Some solutions for n=4
%e ..2..1..0..1..0..2....2..2..2..0..2..0....2..0..1..2..0..0....2..0..1..2..0..0
%e ..0..1..1..2..0..0....2..1..0..0..1..2....0..0..1..1..2..0....0..0..1..1..2..0
%e ..1..2..1..1..2..0....1..0..0..1..2..2....1..1..2..1..1..0....1..1..2..1..1..2
%e ..1..1..2..1..1..2....0..0..1..2..2..1....2..1..1..2..1..1....2..1..1..2..1..1
%e ..2..1..1..0..1..2....0..1..2..2..0..2....0..2..1..1..2..0....0..2..1..1..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 02 2012