%I #5 Mar 31 2012 12:37:25
%S 715,4313071,28686344276,192108983085145,1287681340443915644,
%T 8632160191264007914496,57867813487534623493632032,
%U 387931894337100662003223085624,2600602689186684798782025006594196
%N Number of nX7 0..3 arrays with new values 0..3 introduced in row major order and no element equal to more than one of its immediate leftward or upward or left-upward diagonal neighbors
%C Column 7 of A208864
%H R. H. Hardin, <a href="/A208863/b208863.txt">Table of n, a(n) for n = 1..42</a>
%e Some solutions for n=4
%e ..0..0..1..2..1..1..3....0..1..2..3..0..1..2....0..0..0..0..0..0..1
%e ..2..1..3..3..0..2..3....0..1..2..3..0..2..0....1..1..1..1..1..1..0
%e ..2..1..2..2..1..1..0....3..0..2..0..3..1..1....2..3..2..2..2..0..3
%e ..2..0..3..0..0..2..1....2..0..2..0..1..0..3....3..0..1..0..0..3..2
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 02 2012
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