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A202468 Number of (n+2)X7 binary arrays with no more than two of any consecutive three bits set in any row or column.

%I A202468 #7 Jul 22 2025 16:36:40
%S A202468 317179,18374521,1044865367,58746383721,3323590649777,187820723381421,
%T A202468 10610932604054547,599616560193259281,33881738532796270907,
%U A202468 1914496303093962715299,108180387260313623312899
%N A202468 Number of (n+2)X7 binary arrays with no more than two of any consecutive three bits set in any row or column.
%C A202468 Column 5 of A202471
%H A202468 R. H. Hardin, <a href="/A202468/b202468.txt">Table of n, a(n) for n = 1..210</a>
%e A202468 Some solutions for n=3
%e A202468 ..0..0..0..0..0..0..0....0..0..0..0..0..1..0....0..0..0..0..0..1..0
%e A202468 ..0..0..0..1..0..1..1....0..0..0..1..0..0..0....0..0..0..1..0..1..0
%e A202468 ..0..0..0..1..0..0..0....0..0..0..0..1..0..0....0..0..0..1..1..0..0
%e A202468 ..0..0..0..0..0..0..1....0..0..0..0..1..0..0....0..0..0..0..0..0..0
%e A202468 ..0..0..0..0..0..1..1....0..0..0..0..0..0..0....0..0..0..1..0..0..1
%K A202468 nonn
%O A202468 1,1
%A A202468 _R. H. Hardin_ Dec 19 2011