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%I #4 Aug 21 2018 13:20:58
%S 0,45,1975,123415,6735734,381426500,21578384304,1220340668071,
%T 69013808316210,3902978619371586,220727316564416823,
%U 12482916861238637731,705953461210591911518,39924185063402562186842,2257854998649283317636359
%N Number of nX7 0..1 arrays with every element unequal to 2, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
%C Column 7 of A318222.
%H R. H. Hardin, <a href="/A318221/b318221.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..1..0..1..0..1..0. .0..1..0..1..0..0..1. .0..1..0..1..0..1..0
%e ..1..0..0..1..0..1..0. .1..0..0..0..1..1..0. .1..0..0..1..1..1..1
%e ..0..1..0..0..1..1..0. .0..1..0..1..0..1..0. .0..1..1..1..0..1..0
%e ..0..1..0..0..1..0..1. .0..1..1..0..1..1..0. .0..1..0..0..0..0..1
%e ..0..1..1..0..1..1..0. .0..1..0..0..1..0..1. .0..1..0..1..0..1..0
%Y Cf. A318222.
%K nonn
%O 1,2
%A _R. H. Hardin_, Aug 21 2018
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