%I #5 Mar 31 2012 12:37:24
%S 42,1764,12994,101069,1016258,10934750,126827983,1510509752,
%T 18362140414,225190711489,2778200486272,34375762106094,
%U 426142969015213,5288048126067096,65661068400142616,815594644130811073
%N Number of 7Xn 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 1 0 and 1 0 1 vertically
%C Row 7 of A208698
%H R. H. Hardin, <a href="/A208702/b208702.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..1..1..1..0....0..1..0..1....0..1..1..1....1..0..1..1....1..1..0..1
%e ..1..1..1..1....0..1..1..0....0..0..0..0....1..0..1..1....1..0..1..0
%e ..0..1..0..1....0..1..1..0....0..0..0..0....1..1..1..0....1..0..1..0
%e ..0..0..0..0....0..1..0..1....1..1..0..1....0..1..1..0....0..0..0..0
%e ..1..0..1..0....1..1..0..1....1..1..0..1....0..0..0..0....0..1..0..1
%e ..1..0..1..1....1..0..1..1....1..0..1..0....0..0..0..0....0..1..1..1
%e ..1..1..1..1....1..0..1..1....1..0..1..0....1..0..1..0....0..1..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 01 2012