A206836 - OEIS

%I #5 Mar 31 2012 12:37:13

%S 3636,13220496,32326073197,81562078260316,202239575474145573,

%T 503617001775793994676,1253153235463965319380998,

%U 3119258907440765674089992703,7763820132416499980446666540204

%N Number of nX6 0..3 arrays avoiding the pattern z-2 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal

%C Column 6 of A206838

%H R. H. Hardin, <a href="/A206836/b206836.txt">Table of n, a(n) for n = 1..14</a>

%e Some solutions for n=5

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 13 2012