%I
%S 42,1764,14406,117649,1737981,25674489,298294290,3465676900,
%T 44249929850,564985239025,6946276116395,85401792033481,
%U 1066016616909398,13306411967110084,165079309220454794,2047973443183647529
%N Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically
%C Row 7 of A207858
%H R. H. Hardin, <a href="/A207862/b207862.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..1..1..0....0..0..1..1....0..0..1..1....0..0..1..1....0..0..1..1
%e ..0..0..1..1....0..1..1..0....0..1..1..1....0..0..1..1....0..1..1..1
%e ..1..0..0..1....1..1..0..0....0..1..1..0....1..1..1..1....1..1..1..1
%e ..1..0..0..1....1..0..0..1....1..1..0..0....1..1..1..0....1..1..1..0
%e ..0..0..1..1....1..0..1..1....1..1..0..0....0..1..1..0....0..1..1..0
%e ..0..1..1..1....1..0..1..1....1..0..0..1....0..1..1..1....0..1..1..1
%e ..1..1..1..0....0..0..1..1....0..0..1..1....1..1..0..1....0..1..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 21 2012
