%I #4 Mar 10 2017 09:35:39
%S 128,2570,54211,1529463,34266804,854841910,20707472573,500387112083,
%T 12194309578408,295445669810158,7175900498325835,174194410958021304,
%U 4227944315256983524,102642336532085688286,2491498898316960926393
%N Number of 7Xn 0..1 arrays with no 1 equal to more than one of its horizontal, diagonal and antidiagonal neighbors.
%C Row 7 of A283543.
%H R. H. Hardin, <a href="/A283548/b283548.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A283548/a283548.txt">Empirical recurrence of order 69</a>
%F Empirical recurrence of order 69 (see link above)
%e Some solutions for n=3
%e ..0..0..1. .0..0..1. .0..0..1. .0..1..0. .0..1..0. .0..1..0. .1..1..0
%e ..0..0..0. .0..0..1. .0..0..1. .0..0..1. .0..0..1. .0..0..0. .0..0..0
%e ..0..0..0. .0..0..1. .1..0..0. .1..0..1. .1..0..0. .0..0..0. .1..0..0
%e ..0..0..1. .0..0..1. .0..0..0. .0..0..0. .1..0..0. .1..0..1. .1..0..0
%e ..0..0..1. .0..0..0. .0..0..1. .1..0..0. .0..0..0. .1..0..0. .0..0..1
%e ..0..0..0. .0..1..1. .0..0..0. .0..0..1. .1..0..0. .1..0..1. .0..0..1
%e ..0..0..1. .0..0..0. .0..0..0. .0..0..1. .0..0..1. .0..0..0. .0..0..0
%Y Cf. A283543.
%K nonn
%O 1,1
%A _R. H. Hardin_, Mar 10 2017
|