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A202405 Number of (n+2)X9 binary arrays avoiding patterns 000 and 010 in rows and columns 1

%I #5 Mar 31 2012 12:36:47

%S 422136,16475481,761992011,35242177441,1562067102398,69236744423044,

%T 3110996570522302,139785597119732641,6249561863920385395,

%U 279406636275366390025,12516437144636638824910,560692476327741597685924

%N Number of (n+2)X9 binary arrays avoiding patterns 000 and 010 in rows and columns

%C Column 7 of A202406

%H R. H. Hardin, <a href="/A202405/b202405.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 19 2011

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Last modified May 9 04:25 EDT 2024. Contains 372341 sequences. (Running on oeis4.)