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%I #6 Apr 05 2020 23:06:54
%S 2,26,442,6460,96458,1449814,22043878,336883696,5171750894,
%T 79634735346,1229304353554,19015329654036,294656614022300,
%U 4573021347213134,71071712948803680,1105968089007186270,17230453143587374712
%N Number of n X 4 0..1 arrays with the number of 1's horizontally, antidiagonally or vertically adjacent to some 0 one less than the number of 0's adjacent to some 1.
%C Column 4 of A285030.
%H R. H. Hardin, <a href="/A285026/b285026.txt">Table of n, a(n) for n = 1..207</a>
%e Some solutions for n=4
%e ..0..0..0..1. .0..0..1..1. .0..0..1..0. .1..1..0..0. .1..1..1..0
%e ..0..0..1..1. .1..1..0..1. .1..1..0..1. .0..1..0..0. .0..0..1..1
%e ..0..0..1..0. .1..0..0..0. .0..1..1..0. .0..0..1..0. .0..0..0..0
%e ..0..1..0..0. .0..0..0..0. .0..1..0..0. .1..1..0..1. .0..0..0..0
%Y Cf. A285030.
%K nonn
%O 1,1
%A _R. H. Hardin_, Apr 08 2017
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