%I #5 Mar 31 2012 12:36:56
%S 80,998,17676,505798,23451600,1749952542,207766349392,39642112566362,
%T 12152648421141966,5965344860666094878
%N Number of (n+2)X(n+2) binary arrays avoiding patterns 010 and 101 in rows, columns and nw-to-se diagonals
%C Diagonal of A203355
%e Some solutions for n=3
%e ..0..1..1..0..0....0..1..1..1..0....0..0..1..1..0....0..1..1..0..0
%e ..1..1..1..1..0....0..0..0..0..0....0..0..1..1..0....0..1..1..1..1
%e ..1..1..1..1..0....1..0..0..0..0....0..1..1..1..0....0..1..1..1..1
%e ..1..1..1..1..0....1..0..0..0..0....0..1..1..1..1....0..0..1..1..0
%e ..1..1..0..0..0....1..0..0..0..0....0..0..1..1..1....0..0..0..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Dec 31 2011
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