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%I #4 Apr 10 2018 19:36:10
%S 64,86,189,657,2303,8981,30216,112431,408512,1512824,5441957,20021696,
%T 73157743,268090840,977883198,3582780118,13103336584,47949599697,
%U 175342870194,641714970276,2347546538523,8589020632731,31421666502319
%N Number of 7Xn 0..1 arrays with every element equal to 0, 1, 3 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
%C Row 7 of A302635.
%H R. H. Hardin, <a href="/A302640/b302640.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..1..1..0..1. .0..1..0..1..0. .0..0..1..0..1. .0..1..1..0..1
%e ..1..0..1..0..0. .0..0..0..1..1. .0..1..0..0..1. .1..0..1..0..1
%e ..1..0..1..0..1. .0..1..0..1..0. .0..1..0..1..0. .1..0..1..0..1
%e ..0..0..1..0..1. .0..1..0..1..0. .1..1..0..1..0. .0..0..1..0..1
%e ..0..0..0..0..1. .1..1..0..0..0. .0..1..0..1..0. .1..0..1..0..1
%e ..1..0..1..0..1. .0..1..0..1..0. .0..1..0..1..0. .1..1..1..0..0
%e ..0..1..1..0..1. .0..1..0..1..0. .0..0..1..1..0. .1..0..1..0..1
%Y Cf. A302635.
%K nonn
%O 1,1
%A _R. H. Hardin_, Apr 10 2018
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