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A208042 Number of 6Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 1 0 1 vertically.

%I A208042 #7 Jul 22 2025 21:08:23
%S A208042 19,361,1995,11025,94605,811801,5866411,42393121,327288437,2526771289,
%T A208042 19008214715,142993641025,1086798939915,8260031196729,62521114891599,
%U A208042 473229424222569,3587920094200239,27202811032966009,206103852899096453
%N A208042 Number of 6Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 1 0 1 vertically.
%C A208042 Row 6 of A208039
%H A208042 R. H. Hardin, <a href="/A208042/b208042.txt">Table of n, a(n) for n = 1..210</a>
%e A208042 Some solutions for n=4
%e A208042 ..1..0..1..1....1..0..1..1....0..1..1..0....1..0..1..1....0..1..1..1
%e A208042 ..0..0..1..1....1..1..1..1....1..1..0..0....1..1..0..1....1..1..1..0
%e A208042 ..0..1..1..1....0..1..1..1....1..1..0..1....1..1..0..1....1..1..0..0
%e A208042 ..1..0..0..1....0..1..1..0....0..0..1..1....0..1..1..0....1..0..0..1
%e A208042 ..1..0..0..1....1..1..1..0....0..0..1..1....0..1..1..0....0..0..1..1
%e A208042 ..0..1..1..0....0..0..1..1....1..1..1..0....1..0..0..1....0..1..1..1
%K A208042 nonn
%O A208042 1,1
%A A208042 _R. H. Hardin_ Feb 22 2012