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%I A286973 #7 Apr 05 2020 21:35:43
%S A286973 0,0,5,30,126,520,2088,8192,32083,125728,492331,1927334,7545086,
%T A286973 29542032,115713230,453479812,1778221568,6976989468,27390464896,
%U A286973 107590106636,422842742731,1662688326476,6541232413273,25746371202362,101384373381977
%N A286973 Number of n X 2 0..1 arrays with the number of 1's horizontally or vertically adjacent to some 0 two less than the number of 0's adjacent to some 1.
%C A286973 Column 2 of A286979.
%H A286973 R. H. Hardin, <a href="/A286973/b286973.txt">Table of n, a(n) for n = 1..210</a>
%e A286973 Some solutions for n=4
%e A286973 ..0..0. .0..1. .1..0. .0..1. .0..0. .0..0. .1..0. .0..0. .0..0. .0..1
%e A286973 ..1..0. .0..0. .0..0. .0..1. .1..1. .0..1. .1..0. .0..1. .1..0. .0..0
%e A286973 ..1..0. .0..0. .0..1. .0..0. .0..0. .0..1. .0..0. .0..0. .0..1. .1..1
%e A286973 ..0..0. .1..0. .1..0. .1..0. .0..0. .0..0. .0..1. .0..1. .0..0. .0..0
%Y A286973 Cf. A286979.
%K A286973 nonn
%O A286973 1,3
%A A286973 _R. H. Hardin_, May 17 2017

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