%I #5 Mar 31 2012 12:37:34
%S 1176192,2633043200,5718722907600,12464482425454304,
%T 27156404472228366416,59168572189285825092176,
%U 128916198765144572103220336,280882175302904664142569808512,611985080884296483153754366288624
%N Number of (n+1)X7 0..3 arrays with every 2X2 subblock having three or four distinct values, and new values 0..3 introduced in row major order
%C Column 6 of A210413
%H R. H. Hardin, <a href="/A210411/b210411.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..1..1..0..0..0..1....0..0..0..0..0..0..1....0..0..0..0..0..1..2
%e ..0..2..3..3..1..2..1....2..3..2..1..2..3..1....1..2..3..1..3..3..0
%e ..1..3..0..1..0..1..3....1..1..0..2..3..0..3....3..3..0..2..1..0..1
%e ..1..2..2..1..2..3..0....2..0..2..3..1..2..0....1..2..0..1..3..1..3
%e ..1..3..0..0..1..3..1....0..1..0..2..2..0..1....2..0..1..2..3..0..3
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 21 2012