A206796 - OEIS

%I #4 Mar 31 2012 12:37:12

%S 12793,163660849,988006480837,5798927126392378,35167047469699730422

%N Number of nX7 0..3 arrays avoiding the pattern z z+1 z in any row, column, diagonal or antidiagonal

%C Column 7 of A206797

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 12 2012