A207131 - OEIS

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

%S 883,779689,546965177,379555408075,264331974554825,184157064663188335,

%T 128293375281298716166,89374899091284050555079,

%U 62262603631850259878797206,43374963859188108326923863017

%N Number of nX5 0..3 arrays avoiding the pattern z z+1 z in any row or column

%C Column 5 of A207134

%H R. H. Hardin, <a href="/A207131/b207131.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 15 2012