A207200 - OEIS

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

%S 1440,2073600,1858463962,1610194874799,1385457146717885,

%T 1191041491968754066,1025697542018363494742,883559110269161782685731,

%U 761280699256334770795399551,655947587369032185600391472910

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

%C Column 7 of A207201

%H R. H. Hardin, <a href="/A207200/b207200.txt">Table of n, a(n) for n = 1..36</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 15 2012