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%I #4 May 08 2018 11:05:46
%S 32,13,16,46,89,306,1047,2561,7117,22405,61758,171188,506407,1443870,
%T 4062403,11720400,33602232,95454370,273283613,782856603,2233286246,
%U 6382670544,18262055338,52173909746,149087991997,426291895548
%N Number of nX6 0..1 arrays with every element unequal to 0, 1, 2 or 7 king-move adjacent elements, with upper left element zero.
%C Column 6 of A304230.
%H R. H. Hardin, <a href="/A304228/b304228.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = a(n-1) +a(n-2) +14*a(n-3) +a(n-4) -5*a(n-5) -33*a(n-6) -3*a(n-7) +5*a(n-8) +9*a(n-9) +3*a(n-11) +5*a(n-12) for n>18
%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..1..1..1..1..1
%e ..0..1..0..0..0..0. .0..0..0..0..0..0. .0..0..0..0..0..0. .1..0..1..1..0..1
%e ..0..1..0..0..0..0. .0..0..0..1..1..0. .0..0..0..0..1..0. .1..1..1..0..1..1
%e ..0..0..0..0..0..0. .0..0..0..0..0..0. .0..0..0..1..0..0. .1..1..1..1..1..1
%e ..0..0..0..0..0..0. .0..0..0..0..0..0. .0..0..0..0..0..0. .1..1..1..1..1..1
%Y Cf. A304230.
%K nonn
%O 1,1
%A _R. H. Hardin_, May 08 2018
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