%I #7 Apr 05 2020 21:34:32
%S 0,2,113,11574,4551741,7586120602,52105131287528,1469435682255774972,
%T 168943399492409779855098,78854409689567939731003347822,
%U 148970519290227262688309540510302237
%N Number of n X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.
%C Diagonal of A285152.
%H R. H. Hardin, <a href="/A285145/b285145.txt">Table of n, a(n) for n = 1..12</a>
%e Some solutions for n=4
%e ..1..0..0..1. .0..1..1..1. .0..1..0..1. .0..1..1..0. .0..1..1..1
%e ..0..1..0..0. .1..1..0..0. .0..1..1..1. .0..0..0..0. .0..1..1..0
%e ..0..1..1..0. .0..1..0..0. .1..0..0..0. .1..1..1..0. .0..0..1..0
%e ..1..1..1..1. .1..0..1..0. .0..0..1..0. .1..1..0..1. .0..1..1..1
%Y Cf. A285152.
%K nonn
%O 1,2
%A _R. H. Hardin_, Apr 12 2017