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A202470 Number of (n+2)X9 binary arrays with no more than two of any consecutive three bits set in any row or column.

%I A202470 #7 Jul 22 2025 16:36:47
%S A202470 10894297,1966463785,347030298362,60472625443366,10610932604054547,
%T A202470 1859521153822030023,325778072452564800064,57089473505402700427612,
%U A202470 10003712847692227326534941,1752925427213891417645669229
%N A202470 Number of (n+2)X9 binary arrays with no more than two of any consecutive three bits set in any row or column.
%C A202470 Column 7 of A202471
%H A202470 R. H. Hardin, <a href="/A202470/b202470.txt">Table of n, a(n) for n = 1..210</a>
%e A202470 Some solutions for n=3
%e A202470 ..0..0..0..0..0..0..1..1..0....0..0..0..0..0..0..0..0..1
%e A202470 ..0..0..0..0..0..0..0..1..0....0..0..0..0..0..0..0..0..0
%e A202470 ..0..0..0..0..0..0..0..0..1....0..0..0..0..0..0..0..1..0
%e A202470 ..0..0..0..0..0..1..0..1..0....0..0..0..0..0..1..0..1..0
%e A202470 ..0..0..0..0..0..0..1..0..1....0..0..0..0..0..0..0..0..0
%K A202470 nonn
%O A202470 1,1
%A A202470 _R. H. Hardin_ Dec 19 2011