A188744 - OEIS

%I #5 Mar 31 2012 12:36:13

%S 64,4096,61996,1944586,60714322,1536573216,43558358008,1229158478968,

%T 33715030639152,940176798492406,26184077081950792,726505692803789842,

%U 20205409790700030932,561795999161298554570,15612682504741076575246

%N Number of nX6 binary arrays without the pattern 1 1 1 diagonally, vertically or antidiagonally

%C Column 6 of A188747

%H R. H. Hardin, <a href="/A188744/b188744.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for 3X6

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Apr 09 2011