A207132 - OEIS

%I #5 Mar 31 2012 12:37:15

%S 3361,11296321,28848306206,72730695900843,184157064663188335,

%T 466503557360950708206,1181661762728423251688762,

%U 2993131913509117467698218663,7581568440678260694867709585565

%N Number of nX6 0..3 arrays avoiding the pattern z z+1 z in any row or column

%C Column 6 of A207134

%H R. H. Hardin, <a href="/A207132/b207132.txt">Table of n, a(n) for n = 1..12</a>

%e Some solutions for n=4

%e ..0..2..0..3..0..0....2..0..1..1..2..0....3..1..3..0..1..1....3..2..2..1..1..2

%e ..2..1..1..0..2..1....1..2..2..3..0..0....1..3..2..3..1..3....2..0..1..3..1..3

%e ..0..1..1..2..2..1....1..3..2..2..0..2....2..2..1..1..3..2....1..0..3..3..3..3

%e ..0..3..1..0..1..1....2..1..1..0..1..1....0..1..1..3..3..1....1..3..2..2..2..2

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 15 2012