|
%I #5 Mar 31 2012 12:36:16
%S 28,784,21952,377517,6442436,109264923,1841998924,30880712109,
%T 513953862828,8524935994485,141100741163866,2331559436006836,
%U 38495167111404534,635205147205219239,10477659617370128080
%N Number of 5Xn binary arrays without the pattern 0 0 1 1 diagonally, vertically, antidiagonally or horizontally
%C Row 5 of A189905
%H R. H. Hardin, <a href="/A189907/b189907.txt">Table of n, a(n) for n = 1..200</a>
%e Some solutions for 5X4
%e ..0..0..0..0....0..0..0..0....0..1..0..1....0..1..0..0....0..1..0..1
%e ..1..0..0..1....1..0..1..1....1..0..1..0....1..0..0..1....1..1..0..0
%e ..1..0..1..0....0..1..0..1....1..1..0..1....0..0..0..0....0..1..0..0
%e ..0..0..0..0....0..0..1..0....0..0..0..1....0..1..0..0....1..0..0..1
%e ..1..0..1..0....0..0..0..0....1..0..1..1....1..0..0..0....1..0..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_ May 01 2011
| 