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A229846 Number of nX7 0..2 arrays x(i,j) with each element horizontally or vertically next to at least one element with value 2-x(i,j).

%I A229846 #6 Jun 02 2025 08:39:18
%S A229846 63,63291,31783299,17324310663,9366963651897,5071373978989773,
%T A229846 2745117942652795617,1485981308554100717397,804382842721296064467525,
%U A229846 435424391066549741979527775,235701650566916249474911785897
%N A229846 Number of nX7 0..2 arrays x(i,j) with each element horizontally or vertically next to at least one element with value 2-x(i,j).
%C A229846 Column 7 of A229847
%H A229846 R. H. Hardin, <a href="/A229846/b229846.txt">Table of n, a(n) for n = 1..18</a>
%e A229846 Some solutions for n=3
%e A229846 ..0..0..2..0..2..1..1....0..0..2..1..2..0..2....0..0..2..0..2..0..1
%e A229846 ..2..0..2..2..1..1..0....2..0..2..1..2..2..0....2..0..2..0..2..0..1
%e A229846 ..0..0..2..0..1..1..2....0..0..2..1..0..0..2....0..0..2..0..2..0..1
%K A229846 nonn
%O A229846 1,1
%A A229846 _R. H. Hardin_, Oct 01 2013