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A206876 Number of 7Xn 0..1 arrays avoiding 0 0 0 horizontally and 1 0 1 vertically.

%I A206876 #7 Jul 22 2025 19:45:44
%S A206876 65,4225,78799,2841311,95207761,2805723059,90497940567,2863087460903,
%T A206876 89499787923617,2831117517162739,89219013685261269,
%U A206876 2809084210921214817,88579091493698602265,2791355238871425908621,87960857432849796359965
%N A206876 Number of 7Xn 0..1 arrays avoiding 0 0 0 horizontally and 1 0 1 vertically.
%C A206876 Row 7 of A206871
%H A206876 R. H. Hardin, <a href="/A206876/b206876.txt">Table of n, a(n) for n = 1..210</a>
%e A206876 Some solutions for n=4
%e A206876 ..0..1..0..0....1..0..1..1....1..1..1..1....0..1..1..1....1..0..0..1
%e A206876 ..1..1..1..0....1..1..0..0....0..1..1..1....1..0..1..1....0..1..1..0
%e A206876 ..1..1..0..1....1..1..0..0....0..0..1..1....1..0..1..0....0..0..1..0
%e A206876 ..1..0..0..1....0..1..1..1....0..0..1..1....1..1..0..0....1..0..1..1
%e A206876 ..0..0..1..1....0..1..0..1....0..0..1..1....0..1..0..0....1..1..0..1
%e A206876 ..0..1..0..0....1..1..0..1....1..1..1..1....0..1..0..0....0..1..0..0
%e A206876 ..1..1..0..0....1..0..0..1....0..0..1..1....0..1..0..1....0..1..1..0
%K A206876 nonn
%O A206876 1,1
%A A206876 _R. H. Hardin_ Feb 13 2012