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%I #4 Feb 17 2018 10:55:53
%S 8,3336,430401,47845523,5526277711,643936117646,74902586591536,
%T 8709586033088978,1012804578306751571,117777052657293971784,
%U 13696030178622274574585,1592679600129697598395922
%N Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
%C Column 7 of A299728.
%H R. H. Hardin, <a href="/A299727/b299727.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..0..0..0..1..0..1. .0..0..0..0..0..1..0. .0..0..0..1..1..1..0
%e ..0..0..1..1..0..0..1. .0..0..1..1..0..0..1. .0..0..1..0..0..0..1
%e ..0..0..0..0..0..1..1. .0..0..0..0..0..0..1. .0..0..0..0..1..0..1
%e ..0..0..0..1..0..0..1. .0..0..0..0..0..1..0. .0..0..0..0..1..1..0
%e ..0..0..1..0..1..1..0. .0..0..1..1..0..0..1. .0..0..1..1..0..0..0
%Y Cf. A299728.
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 17 2018
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