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%I
%S 0,62,684,10056,141018,2053994,30004158,443275636,6591532114,
%T 98620717026,1483077002788,22402256622648,339716751362128,
%U 5169528508115318,78910865975553660,1207934007828690708,18537787151292561428
%N Number of n X 4 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 4 of A286216.
%H R. H. Hardin, <a href="/A286212/b286212.txt">Table of n, a(n) for n = 1..186</a>
%e Some solutions for n=4
%e ..0..0..0..1. .1..0..1..0. .0..1..0..1. .1..0..0..0. .0..1..0..1
%e ..1..1..0..0. .1..0..0..0. .0..0..1..1. .1..0..1..0. .0..1..0..0
%e ..1..1..0..0. .0..0..1..0. .0..1..1..0. .0..0..0..1. .1..0..0..1
%e ..1..0..1..0. .1..1..1..0. .1..0..0..0. .1..1..0..1. .1..1..0..0
%Y Cf. A286216.
%K nonn
%O 1,2
%A _R. H. Hardin_, May 04 2017
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