A207219 - OEIS

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

%S 529,279841,97935886,33403462497,11574609426324,4019515127529418,

%T 1395037573042216457,484100965758678998675,167995026283315198886440,

%U 58298967703100379585703272,20231341894128588893547935849

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

%C Column 6 of A207221

%H R. H. Hardin, <a href="/A207219/b207219.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 16 2012