A207356 - OEIS

%I #5 Mar 31 2012 12:37:17

%S 523,273529,92438519,30147535858,9745296760510,3146529377348628,

%T 1017721314783737845,329279181493028650609,106564464913380618795702,

%U 34488953876948088360689832,11162315714416352433287306901

%N Number of nX6 0..2 arrays avoiding the pattern z+1 z+1 z horizontally and z-1 z-1 z vertically

%C Column 6 of A207358

%H R. H. Hardin, <a href="/A207356/b207356.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 17 2012