A189262 - OEIS

%I #5 Mar 31 2012 12:36:15

%S 54,2916,74869,1771206,38600001,830564651,17747766886,379055775099,

%T 8092834825779,172797606124166,3689743969531917,78791192655511218,

%U 1682561197005661625,35931167376074022171,767318458960721287707

%N Number of nX7 binary arrays without the pattern 0 0 1 diagonally, antidiagonally or horizontally

%C Column 7 of A189264

%H R. H. Hardin, <a href="/A189262/b189262.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for 7X3

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Apr 19 2011