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%I #5 Mar 31 2012 12:37:16
%S 42,1764,8928,43260,186002,684324,2367656,8000806,26057006,82907430,
%T 260627110,806084422,2476671718,7545089216,22861190904,68993933764,
%U 207422313718,622180142516,1862113694818,5564560256320,16608301418960
%N Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 0 and 1 1 1 vertically
%C Row 7 of A207346
%H R. H. Hardin, <a href="/A207351/b207351.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..1..0..1....0..1..0..0....1..0..1..0....0..1..0..0....1..1..1..1
%e ..1..0..0..1....0..1..0..1....0..0..1..0....0..1..0..1....1..1..0..1
%e ..0..0..1..0....1..0..1..0....1..1..0..1....1..0..1..0....0..0..1..0
%e ..1..1..1..0....1..0..0..1....1..0..1..0....1..1..1..0....1..1..1..1
%e ..1..0..0..1....0..1..0..1....0..1..0..0....0..1..0..1....0..1..0..1
%e ..0..1..0..1....1..0..1..0....1..0..0..1....1..0..0..1....0..0..1..0
%e ..0..0..1..0....1..1..0..1....1..0..1..0....0..0..1..0....1..1..1..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 17 2012
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