%I #4 Mar 18 2017 12:30:12
%S 0,0,597042,68693470,6816984648,669777003928,62944601744067,
%T 5709831013093658,508781396370757815,44682472147852468812,
%U 3874470768927233440485,332663634061493461202020
%N Number of 7Xn 0..1 arrays with no 1 equal to more than three of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element.
%C Row 7 of A283950.
%H R. H. Hardin, <a href="/A283956/b283956.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=3
%e ..0..0..0. .0..0..0. .0..1..0. .0..1..0. .0..1..0. .0..0..0. .0..0..0
%e ..1..1..0. .0..0..0. .0..0..0. .1..1..0. .0..0..0. .0..1..0. .1..1..0
%e ..1..0..0. .1..1..1. .1..0..0. .0..1..1. .1..1..1. .0..0..1. .1..0..1
%e ..1..1..1. .0..0..0. .0..1..1. .1..0..0. .0..1..1. .1..1..1. .0..0..1
%e ..0..0..1. .1..0..1. .1..0..1. .1..1..1. .1..0..0. .1..0..0. .1..1..1
%e ..0..0..1. .1..1..1. .0..0..0. .0..1..0. .1..0..0. .1..1..1. .1..0..0
%e ..0..0..1. .1..0..0. .0..0..1. .1..1..1. .0..1..0. .0..1..0. .0..0..1
%Y Cf. A283950.
%K nonn
%O 1,3
%A _R. H. Hardin_, Mar 18 2017
