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A206939 Number of 6Xn 0..1 arrays avoiding 0 0 0 horizontally and 0 1 1 vertically.

%I A206939 #7 Jul 22 2025 19:49:30
%S A206939 33,1089,9055,170409,2967939,40316253,659747611,10405676997,
%T A206939 157403120837,2479765407533,38584141407985,596657906957549,
%U A206939 9306402002435837,144634043653494289,2246314891033601445,34949152336387277125
%N A206939 Number of 6Xn 0..1 arrays avoiding 0 0 0 horizontally and 0 1 1 vertically.
%C A206939 Row 6 of A206936
%H A206939 R. H. Hardin, <a href="/A206939/b206939.txt">Table of n, a(n) for n = 1..210</a>
%e A206939 Some solutions for n=4
%e A206939 ..0..1..1..1....0..1..1..0....0..0..1..0....0..0..1..0....0..1..1..0
%e A206939 ..1..0..1..1....1..1..0..1....0..1..0..1....0..1..1..1....0..1..0..1
%e A206939 ..0..1..0..1....0..0..1..0....1..0..1..0....1..0..1..0....0..0..1..0
%e A206939 ..1..0..0..1....1..1..0..0....0..1..0..0....0..0..1..1....0..1..0..0
%e A206939 ..0..1..1..0....0..0..1..1....0..0..1..1....1..1..1..0....1..0..0..1
%e A206939 ..1..0..0..1....1..1..0..0....0..1..0..0....0..0..1..0....0..0..1..0
%K A206939 nonn
%O A206939 1,1
%A A206939 _R. H. Hardin_ Feb 13 2012