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A202374 Number of (n+2)X6 binary arrays avoiding patterns 001 and 111 in rows and columns 1

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

%S 1326,5677,20247,62033,182411,494783,1285065,3207444,7727120,18118987,

%T 41455583,92866560,204327155,442336864,944080705,1989776449,

%U 4146042739,8551843243,17477022964,35418893825,71235013646,142269636195

%N Number of (n+2)X6 binary arrays avoiding patterns 001 and 111 in rows and columns

%C Column 4 of A202378

%H R. H. Hardin, <a href="/A202374/b202374.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 18 2011

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Last modified April 25 10:51 EDT 2024. Contains 371967 sequences. (Running on oeis4.)