%I #5 Mar 31 2012 12:37:12

%S 1440,2073600,1384146457,908849973079,589775000656222,

%T 385349885596244259,253106740389132162761,166433712100588056160567,

%U 109508284560033534763140584,72053875944178720300448056773

%N Number of nX7 0..2 arrays avoiding the pattern z-1 z-1 z in any row, column or nw-to-se diagonal

%C Column 7 of A206734

%H R. H. Hardin, <a href="/A206733/b206733.txt">Table of n, a(n) for n = 1..24</a>

%e Some solutions for n=4

%e ..0..1..2..1..1..0..1....0..2..0..2..2..2..0....1..1..0..1..1..1..1

%e ..0..1..0..0..0..0..0....2..2..0..1..2..0..2....1..0..0..0..2..2..1

%e ..0..0..2..2..2..2..1....1..0..2..1..2..1..2....0..2..2..0..2..2..1

%e ..0..2..0..1..2..2..1....2..1..2..0..2..2..2....0..2..2..2..2..2..0

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 11 2012