%I #4 Jun 02 2018 08:51:53
%S 5,17,21,48,98,192,368,732,1480,2932,5776,11486,22896,45464,90186,
%T 179214,356304,707856,1405988,2793618,5551294,11029574,21913242,
%U 43539452,86510224,171885810,341514604,678553342,1348218756,2678763818,5322403858
%N Number of nX4 0..1 arrays with every element unequal to 0, 1, 3, 6 or 8 king-move adjacent elements, with upper left element zero.
%C Column 4 of A305482.
%H R. H. Hardin, <a href="/A305478/b305478.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = a(n-1) +5*a(n-3) +a(n-5) -7*a(n-6) -7*a(n-7) -2*a(n-8) +2*a(n-9) +2*a(n-10) for n>13
%e Some solutions for n=5
%e ..0..0..0..1. .0..1..1..1. .0..1..1..0. .0..1..1..1. .0..0..0..1
%e ..0..0..0..0. .1..1..1..1. .1..1..1..1. .1..1..1..1. .0..0..0..0
%e ..0..0..1..1. .1..1..1..1. .1..1..1..1. .1..1..1..1. .0..0..0..0
%e ..0..0..0..1. .1..1..1..1. .1..1..1..0. .1..0..1..1. .0..0..1..0
%e ..0..0..0..0. .0..1..1..0. .1..1..0..0. .1..1..1..1. .1..0..1..1
%Y Cf. A305482.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jun 02 2018
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