A207287 - OEIS

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

%S 936,876096,702401282,572065794890,464024582705468,376758439920954387,

%T 305856308413400619700,248307521270762694669197,

%U 201585402410598519519277780,163654894955858092627891819666

%N Number of nX5 0..3 arrays avoiding the pattern z-2 z-1 z in any row or column

%C Column 5 of A207290

%H R. H. Hardin, <a href="/A207287/b207287.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 16 2012