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%I #4 May 17 2018 10:03:14
%S 8,306,201,3055,19701,296646,3510334,37931518,611105804,7863857781,
%T 97427633369,1442412206399,18997425894763,248683605318596,
%U 3505342390311524,46717213252442632,624509190471187783
%N Number of nX7 0..1 arrays with every element unequal to 1, 2, 4, 5 or 6 king-move adjacent elements, with upper left element zero.
%C Column 7 of A304704.
%H R. H. Hardin, <a href="/A304703/b304703.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..1..1..1..1..0..1. .0..0..1..0..1..0..0. .0..0..0..0..0..1..0
%e ..1..0..1..1..0..1..1. .1..0..0..0..0..1..0. .1..1..0..0..1..0..0
%e ..0..0..0..0..0..1..0. .0..0..0..1..1..0..1. .1..1..1..1..1..1..0
%e ..0..1..1..1..1..0..1. .0..0..1..0..1..0..0. .0..0..0..0..0..0..1
%e ..0..1..1..0..1..1..1. .0..1..0..0..0..1..0. .1..1..0..0..1..0..0
%Y Cf. A304704.
%K nonn
%O 1,1
%A _R. H. Hardin_, May 17 2018
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