%I #5 Mar 31 2012 12:37:14
%S 54,2916,82807,2070564,57268342,1648854501,47015346159,1328156697136,
%T 37521598580023,1061970530807292,30067564211434697,851046751948225835,
%U 24085315991411166967,681659412649184727059,19292878589062169424679
%N Number of 7Xn 0..1 arrays avoiding 0 1 0 horizontally and 1 0 0 vertically
%C Row 7 of A206889
%H R. H. Hardin, <a href="/A206893/b206893.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..1..1..0....0..1..1..0....1..1..0..0....1..0..1..1....1..1..0..0
%e ..0..1..1..1....1..0..1..1....0..0..0..1....1..1..1..1....1..1..0..0
%e ..0..1..1..1....1..1..0..1....1..1..1..1....1..1..1..1....0..0..0..1
%e ..0..1..1..0....1..1..1..0....1..0..1..1....1..1..1..1....1..1..1..1
%e ..1..0..1..1....0..0..0..1....1..1..0..0....1..1..1..1....0..0..1..1
%e ..1..1..0..1....1..1..1..1....0..0..1..1....1..0..1..1....1..1..0..0
%e ..0..0..1..1....0..0..0..0....1..1..1..0....1..1..1..1....1..1..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 13 2012