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A206891 Number of 5Xn 0..1 arrays avoiding 0 1 0 horizontally and 1 0 0 vertically 1

%I #5 Mar 31 2012 12:37:14

%S 20,400,4792,51800,607043,7354488,88342972,1052865902,12550021410,

%T 149829237791,1789228772267,21361035307546,254996432939040,

%U 3044109171852296,36341089959264948,433845306322806048

%N Number of 5Xn 0..1 arrays avoiding 0 1 0 horizontally and 1 0 0 vertically

%C Row 5 of A206889

%H R. H. Hardin, <a href="/A206891/b206891.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 13 2012

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Last modified March 28 12:26 EDT 2024. Contains 371254 sequences. (Running on oeis4.)