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%I #5 Mar 31 2012 12:37:10
%S 8910,31652,133392,1236432,10915392,118573968,1122086640,10022726928,
%T 109206613488,1033441784400,9230931489648,100579291011408,
%U 951799883421360,8501687901954768,92633527021495728,876607692631061520
%N Number of (n+1)X6 0..3 arrays with every 2X3 or 3X2 subblock having exactly two equal edges, and new values 0..3 introduced in row major order
%C Column 5 of A206238
%H R. H. Hardin, <a href="/A206235/b206235.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = a(n-1) +921*a(n-3) -921*a(n-4) for n>9
%e Some solutions for n=4
%e ..0..1..1..2..3..2....0..0..1..0..0..2....0..1..1..0..1..0....0..0..1..0..0..1
%e ..1..1..2..3..3..2....0..1..0..0..1..0....1..1..2..1..1..0....0..1..0..0..2..3
%e ..1..2..3..3..0..3....1..0..0..1..0..0....1..0..1..1..3..2....3..0..0..1..3..3
%e ..0..3..3..0..3..3....0..0..2..0..0..2....2..1..1..0..2..2....0..0..2..3..3..1
%e ..3..3..2..3..3..2....0..3..0..0..1..3....1..1..3..2..2..3....1..1..3..3..0..2
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 05 2012
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