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%I #4 Apr 06 2018 12:45:53
%S 0,1172,97160,5421003,404225195,29810775827,2195619257236,
%T 161767569162389,11926561967149057,879261959837334277,
%U 64822173992483793756,4778918571861830147396,352319630303338775663571
%N Number of 7Xn 0..1 arrays with every element equal to 1, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
%C Row 7 of A302381.
%H R. H. Hardin, <a href="/A302386/b302386.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0
%e ..0..0..0..1..0. .0..0..0..1..0. .0..0..0..1..0. .0..0..0..1..0
%e ..1..0..1..1..1. .1..0..1..1..0. .1..0..1..1..0. .1..0..1..1..0
%e ..0..1..1..0..1. .1..1..0..0..1. .0..1..1..0..0. .0..1..0..0..1
%e ..1..0..0..0..1. .0..0..1..0..1. .0..1..1..1..0. .1..0..0..0..0
%e ..0..0..1..1..0. .0..0..1..1..0. .1..0..0..1..0. .0..1..1..0..0
%e ..0..0..1..0..1. .0..1..0..0..1. .0..0..0..0..1. .0..0..0..1..1
%Y Cf. A302381.
%K nonn
%O 1,2
%A _R. H. Hardin_, Apr 06 2018
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