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%I #4 May 13 2018 10:41:05
%S 64,719,2208,8254,68338,380640,1802240,12149499,76809028,414339658,
%T 2506312732,15834976447,91945106122,542541369889,3341140747840,
%U 19987650956102,118370747871295,716642725644643,4320134327579730
%N Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 3 or 6 king-move adjacent elements, with upper left element zero.
%C Column 7 of A304472.
%H R. H. Hardin, <a href="/A304471/b304471.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..0..0..1..0..0..1. .0..0..0..0..0..0..1. .0..1..0..1..1..1..1
%e ..0..0..1..1..0..0..0. .0..0..0..0..0..1..0. .1..1..0..0..1..1..0
%e ..0..0..0..0..0..1..1. .0..0..1..1..1..0..0. .1..1..1..1..1..0..0
%e ..0..0..1..0..0..1..0. .0..1..0..0..0..0..0. .0..0..1..1..1..1..1
%e ..0..0..1..1..0..0..0. .1..0..0..0..0..0..0. .1..0..1..1..1..1..1
%Y Cf. A304472.
%K nonn
%O 1,1
%A _R. H. Hardin_, May 13 2018
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