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Number of nX6 0..2 arrays avoiding the pattern z-2 z-1 z in any row or column
1

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

%S 622,386884,192513201,94853765621,46260684361347,22540704363210913,

%T 10977508218092030949,5345785254841179750528,

%U 2603202653456919727333824,1267659520116049754553214784,617300558095977800421783249695

%N Number of nX6 0..2 arrays avoiding the pattern z-2 z-1 z in any row or column

%C Column 6 of A206700

%H R. H. Hardin, <a href="/A206698/b206698.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 11 2012