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%I #5 Mar 31 2012 12:37:19
%S 25,625,1250,2500,10000,40000,145200,527076,2056032,8020224,29854944,
%T 111133764,429565416,1660399504,6232977072,23397985296,90031551120,
%U 346426416400,1306080208880,4924120769296,18891767424072,72479716304004
%N Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 1 1 vertically
%C Row 7 of A207693
%H R. H. Hardin, <a href="/A207698/b207698.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..0..1..1....1..1..1..0....0..0..1..1....0..0..1..1....0..1..1..0
%e ..1..1..0..1....1..0..0..1....1..1..0..0....1..1..0..1....1..0..0..1
%e ..1..1..1..0....0..1..1..1....0..0..1..1....1..1..1..0....0..1..1..0
%e ..0..0..1..1....1..1..0..0....1..1..1..1....0..0..1..1....1..0..0..1
%e ..1..1..0..0....1..0..1..1....1..1..0..0....1..1..0..1....1..1..1..0
%e ..0..1..1..1....0..1..1..0....0..0..1..1....1..1..1..0....0..1..1..1
%e ..1..0..1..1....1..1..0..1....1..0..1..1....0..0..1..1....1..0..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 19 2012
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