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A203352 Number of (n+2)X7 binary arrays avoiding patterns 010 and 101 in rows, columns and nw-to-se diagonals 1

%I #5 Mar 31 2012 12:36:56

%S 6032,53354,403624,3056040,23451600,179906536,1376241620,10535519936,

%T 80677265034,617694879242,4729619887676,36214315667508,

%U 277281869263340,2123094465259698,16256129560983932,124469811916675344

%N Number of (n+2)X7 binary arrays avoiding patterns 010 and 101 in rows, columns and nw-to-se diagonals

%C Column 5 of A203355

%H R. H. Hardin, <a href="/A203352/b203352.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 31 2011

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Last modified September 19 16:34 EDT 2024. Contains 376014 sequences. (Running on oeis4.)