login
Number of nX8 binary arrays without the pattern 0 0 1 1 diagonally, vertically, antidiagonally or horizontally
0

%I #4 Mar 31 2012 12:36:16

%S 177,31329,5545233,395408137,30880712109,1951128590287,

%T 111638761715758,6207537762978575,323783296887093516,

%U 16672434688261743849,837559653906404095478,41615651706032541197843

%N Number of nX8 binary arrays without the pattern 0 0 1 1 diagonally, vertically, antidiagonally or horizontally

%C Column 8 of A189905

%e Some solutions for 4X8

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ May 01 2011