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%I A305583 #4 Jun 05 2018 18:28:52
%S A305583 16,8,19,38,76,327,967,2641,8578,26437,78868,243583,747553,2276209,
%T A305583 6972325,21347977,65257777,199664890,610944133,1868823559,5717250070,
%U A305583 17491334971,53510023900,163701580426,500812768156,1532124309511
%N A305583 Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 7 or 8 king-move adjacent elements, with upper left element zero.
%C A305583 Column 5 of A305586.
%H A305583 R. H. Hardin, <a href="/A305583/b305583.txt">Table of n, a(n) for n = 1..210</a>
%F A305583 Empirical: a(n) = a(n-1) +3*a(n-2) +12*a(n-3) -9*a(n-5) -27*a(n-6) for n>10
%e A305583 Some solutions for n=5
%e A305583 ..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..1..1..1..1
%e A305583 ..0..0..0..0..0. .0..0..1..1..0. .0..0..0..0..0. .1..0..1..1..1
%e A305583 ..0..0..0..0..0. .0..0..0..0..0. .0..1..0..1..0. .1..1..1..1..1
%e A305583 ..0..1..0..1..0. .0..0..0..0..0. .0..0..0..0..0. .1..0..1..1..1
%e A305583 ..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..1..1..1..1
%Y A305583 Cf. A305586.
%K A305583 nonn
%O A305583 1,1
%A A305583 _R. H. Hardin_, Jun 05 2018

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