A206971 - OEIS

%I #5 Mar 31 2012 12:37:14

%S 882,777924,419203246,223912418544,118749552817647,63023113538493420,

%T 33450230674269584063,17747590151499513969141,

%U 9414148418043478285995791,4993518944483846036425995889,2648627388902187382824097898184

%N Number of nX5 0..3 arrays avoiding the pattern z-1 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal

%C Column 5 of A206974

%H R. H. Hardin, <a href="/A206971/b206971.txt">Table of n, a(n) for n = 1..18</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 14 2012