A206954 - OEIS

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

%S 191,36481,4107593,449797912,50967712088,5791955969105,

%T 656572043220119,74406813170700252,8434111346519119622,

%U 956049555928840322174,108370550020434256409997,12284018358115973071831348

%N Number of nX5 0..2 arrays avoiding the pattern z z+1 z in any row, column or nw-to-se diagonal

%C Column 5 of A206957

%H R. H. Hardin, <a href="/A206954/b206954.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 13 2012