%I #5 Mar 31 2012 12:37:19
%S 35,1225,20265,335241,6349893,120275089,2215586241,40813292529,
%T 758253127923,14087268396601,260910039667519,4832310060602761,
%U 89611728280729061,1661785304492145361,30800180353416930867
%N Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 0 0 vertically
%C Row 7 of A207741
%H R. H. Hardin, <a href="/A207745/b207745.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..1..1..1..1....1..1..1..0....1..1..0..0....1..0..1..1....0..1..1..0
%e ..1..1..1..1....0..1..1..1....1..1..0..0....1..1..0..1....1..1..1..0
%e ..1..1..1..0....1..0..0..1....1..1..0..0....1..1..1..1....0..1..1..0
%e ..1..0..1..1....0..1..1..1....1..1..0..0....0..1..1..0....1..1..1..0
%e ..1..1..0..1....1..0..0..1....1..1..0..0....1..0..1..1....1..1..0..0
%e ..0..1..1..1....0..1..1..0....1..1..0..0....0..1..1..0....0..1..1..0
%e ..1..0..0..1....1..1..1..1....1..1..0..0....1..0..1..1....1..1..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 19 2012