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A207587 Number of nX6 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 1 1 vertically 1

%I #5 Mar 31 2012 12:37:18

%S 26,676,756,3150,9698,25776,70800,204476,596068,1584596,4380740,

%T 12246186,33356536,92744054,250622912,689213304,1904187516,5145503610,

%U 14195771862,38697328208,105556471730,290374890184,787938050420,2162268321240

%N Number of nX6 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 1 1 vertically

%C Column 6 of A207589

%H R. H. Hardin, <a href="/A207587/b207587.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 19 2012

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Last modified March 28 14:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)