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%I #4 May 22 2018 11:25:14
%S 5,333,1203,8361,60568,435964,3174054,23304518,170481467,1248838598,
%T 9167230233,67263160245,493257323135,3619388695936,26558238094660,
%U 194837640252464,1429535459938593,10488919190348149,76956245346728962
%N Number of nX6 0..1 arrays with every element unequal to 1, 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero.
%C Column 6 of A304959.
%H R. H. Hardin, <a href="/A304957/b304957.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..1..1..1..1..0. .0..0..0..1..0..1. .0..0..1..1..1..0. .0..0..0..1..0..1
%e ..1..1..0..1..1..0. .0..1..0..0..0..1. .0..1..1..0..1..1. .1..1..0..0..0..0
%e ..1..0..1..1..1..0. .1..1..1..1..0..1. .1..0..0..0..0..0. .1..0..1..0..0..0
%e ..0..0..1..1..0..1. .0..1..1..0..1..1. .1..0..1..0..0..1. .1..0..0..0..0..1
%e ..1..0..1..1..1..1. .0..0..1..0..0..0. .1..1..0..0..0..0. .1..0..1..0..1..1
%Y Cf. A304959.
%K nonn
%O 1,1
%A _R. H. Hardin_, May 22 2018
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