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A207911 Number of 6Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 0 1 1 vertically.

%I A207911 #7 Jul 22 2025 20:58:54
%S A207911 18,324,1278,5041,39831,314721,1726758,9474084,62431074,411400089,
%T A207911 2464567047,14764437081,92881236582,584304302404,3583711091042,
%U A207911 21979959981841,136591044276099,848823810045561,5238992009252400
%N A207911 Number of 6Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 0 1 1 vertically.
%C A207911 Row 6 of A207908
%H A207911 R. H. Hardin, <a href="/A207911/b207911.txt">Table of n, a(n) for n = 1..210</a>
%e A207911 Some solutions for n=4
%e A207911 ..0..0..1..1....0..1..1..1....1..0..0..1....1..0..1..1....1..1..0..0
%e A207911 ..0..0..1..1....1..1..1..0....0..1..1..0....1..1..0..1....0..1..1..1
%e A207911 ..1..1..0..0....0..0..1..1....1..0..0..1....0..0..1..1....1..1..0..0
%e A207911 ..0..0..1..1....0..1..1..0....0..1..1..0....1..0..0..1....0..1..1..1
%e A207911 ..1..1..0..0....1..0..1..1....1..0..0..1....0..1..1..0....1..1..0..0
%e A207911 ..0..0..1..1....0..1..1..0....0..1..1..0....1..0..0..1....0..0..1..1
%K A207911 nonn
%O A207911 1,1
%A A207911 _R. H. Hardin_ Feb 21 2012