|
%I #5 Mar 31 2012 12:37:12
%S 3353,11242609,24071410239,50835598921675,106921561045262424,
%T 224922074723556223280,473233846073429226663536,
%U 995612236558478493078872933,2094486828658187985171032792568
%N Number of nX6 0..3 arrays avoiding the pattern z-1 z-1 z in any row, column or nw-to-se diagonal
%C Column 6 of A206577
%H R. H. Hardin, <a href="/A206575/b206575.txt">Table of n, a(n) for n = 1..11</a>
%e Some solutions for n=4
%e ..0..0..2..2..0..3....3..2..2..0..2..1....2..0..1..0..2..0....1..0..2..3..2..1
%e ..3..0..1..0..1..2....0..1..2..1..3..2....1..2..1..3..0..0....1..0..3..3..0..1
%e ..1..2..0..0..2..0....1..3..0..0..2..0....1..3..0..2..0..2....0..0..3..2..3..1
%e ..3..2..1..2..0..0....2..1..0..3..3..3....3..1..1..0..2..1....1..2..0..1..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 09 2012
| 