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%I #6 Apr 05 2020 23:28:11
%S 3,3468,123541,30004158,1569283128,380797680269,23594688741164,
%T 5201563721481604,366234192215237315,73710966822498902306,
%U 5745557094114966956143,1070211615398838835193976
%N Number of n X 7 0..1 arrays with the number of 1's king-move adjacent to some 0 two less than the number of 0's adjacent to some 1.
%C Column 7 of A286216.
%H R. H. Hardin, <a href="/A286215/b286215.txt">Table of n, a(n) for n = 1..28</a>
%e Some solutions for n=3
%e ..0..1..0..0..0..1..1. .1..1..0..0..0..0..1. .0..0..1..1..0..0..0
%e ..1..0..0..0..1..0..0. .0..1..1..0..0..1..1. .1..1..1..0..0..0..1
%e ..1..1..0..1..1..0..0. .0..0..0..1..0..1..1. .1..1..0..0..1..1..0
%Y Cf. A286216.
%K nonn
%O 1,1
%A _R. H. Hardin_, May 04 2017
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