A207316 - OEIS

%I #5 Mar 31 2012 12:37:16

%S 1791,3207681,3908531208,4606553380932,5287481507599689,

%T 6040603302358685420,6886304943923084187412,7846460408825171428954937,

%U 8938860707121704653295995157,10182853721047511421514027307629

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

%C Column 7 of A207317

%H R. H. Hardin, <a href="/A207316/b207316.txt">Table of n, a(n) for n = 1..205</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 16 2012