%I #4 May 09 2018 10:12:52
%S 8,7,19,50,146,404,1074,2990,8316,22660,62314,172244,473150,1300260,
%T 3582364,9857308,27108012,74607826,205320218,564864078,1554286696,
%U 4277060278,11768341874,32381151240,89101629960,245170898378
%N Number of nX5 0..1 arrays with every element unequal to 0, 1, 5 or 8 king-move adjacent elements, with upper left element zero.
%C Column 5 of A304270.
%H R. H. Hardin, <a href="/A304267/b304267.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = a(n-1) +a(n-2) +10*a(n-3) +4*a(n-4) -2*a(n-5) -12*a(n-6) -5*a(n-7) -4*a(n-8) +4*a(n-9) for n>10
%e Some solutions for n=5
%e ..0..1..0..0..0. .0..0..0..0..0. .0..1..0..0..0. .0..1..0..0..0
%e ..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..1. .0..0..0..0..0
%e ..0..0..0..0..0. .1..0..0..1..0. .0..0..0..0..0. .0..0..0..0..1
%e ..0..0..1..0..0. .0..0..0..0..0. .1..0..0..0..0. .0..1..0..0..0
%e ..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0
%Y Cf. A304270.
%K nonn
%O 1,1
%A _R. H. Hardin_, May 09 2018