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A189340 Number of n X 6 binary arrays without the pattern 1 0 0 1 diagonally, vertically, antidiagonally or horizontally. 1

%I #8 Jun 06 2014 17:22:15

%S 52,2704,140608,3988168,109746642,2650369322,68439605144,

%T 1732402041622,45288523287014,1169200527259744,30459419241960870,

%U 788089712516187485,20460101431991974234,529811400562012142385,13741195617567627797520

%N Number of n X 6 binary arrays without the pattern 1 0 0 1 diagonally, vertically, antidiagonally or horizontally.

%C Column 6 of A189343.

%H R. H. Hardin, <a href="/A189340/b189340.txt">Table of n, a(n) for n = 1..116</a>

%e Some solutions for 4 X 6:

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 20 2011

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Last modified May 15 02:15 EDT 2024. Contains 372536 sequences. (Running on oeis4.)