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%I #6 Apr 05 2020 23:20:07
%S 28,2042,250592,25450414,3020617824,341001631140,40895629554933,
%T 4828422171183992,584834466962677402,70587405158150794666,
%U 8620918536843418223386,1053438370876757943161204
%N Number of n X 7 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.
%C Column 7 of A285750.
%H R. H. Hardin, <a href="/A285749/b285749.txt">Table of n, a(n) for n = 1..25</a>
%e Some solutions for n=2
%e ..1..0..0..0..1..0..1. .0..1..0..1..0..0..0. .1..1..1..0..1..0..0
%e ..1..0..1..0..0..1..0. .1..1..1..1..0..0..1. .0..1..0..0..1..0..0
%Y Cf. A285750.
%K nonn
%O 1,1
%A _R. H. Hardin_, Apr 25 2017
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