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%I #4 Mar 17 2017 12:06:23
%S 128,16384,955680,71903903,5921518755,457711375590,35481195059121,
%T 2782923466639665,217518560684113038,16981222926091090679,
%U 1326999476774635673172,103695192517969043697972
%N Number of 7Xn 0..1 arrays with no 1 equal to more than three of its horizontal, diagonal and antidiagonal neighbors.
%C Row 7 of A283857.
%H R. H. Hardin, <a href="/A283863/b283863.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=2
%e ..1..1. .1..0. .0..1. .0..1. .0..0. .1..1. .1..1. .1..0. .0..1. .0..1
%e ..0..1. .0..1. .0..1. .1..0. .1..0. .1..0. .0..1. .0..1. .0..1. .0..1
%e ..0..0. .0..0. .0..1. .0..0. .1..1. .1..0. .0..1. .0..1. .0..0. .1..1
%e ..0..0. .0..1. .0..1. .0..1. .1..0. .1..1. .1..1. .0..0. .1..1. .1..0
%e ..0..1. .1..1. .1..0. .1..0. .1..0. .0..1. .1..1. .0..1. .0..0. .1..0
%e ..1..0. .0..1. .0..1. .1..0. .0..1. .1..0. .1..1. .0..0. .0..1. .0..0
%e ..1..1. .1..1. .1..0. .0..0. .0..0. .0..0. .0..1. .0..1. .0..0. .1..1
%Y Cf. A283857.
%K nonn
%O 1,1
%A _R. H. Hardin_, Mar 17 2017
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