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%I #4 Feb 10 2018 10:35:15
%S 1,18,19,48,175,508,1522,5065,16968,56041,187865,632318,2129542,
%T 7184550,24247946,81877297,276519444,934064187,3155663032,10661937499,
%U 36024652028,121723990676,411304232139,1389808116350,4696240793449
%N Number of nX4 0..1 arrays with every element equal to 0, 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
%C Column 4 of A299458.
%H R. H. Hardin, <a href="/A299454/b299454.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A299454/a299454.txt">Empirical recurrence of order 70</a>
%F Empirical recurrence of order 70 (see link above)
%e Some solutions for n=7
%e ..0..0..0..0. .0..1..0..1. .0..0..0..0. .0..0..0..0. .0..0..1..1
%e ..0..0..0..0. .0..0..0..0. .0..0..0..0. .0..1..1..0. .0..1..0..1
%e ..0..0..0..0. .0..1..1..1. .1..1..1..1. .1..0..0..1. .0..1..1..0
%e ..0..0..0..0. .0..1..1..1. .1..1..1..1. .1..1..1..1. .0..0..0..0
%e ..0..0..0..0. .0..1..1..1. .0..0..0..0. .0..0..0..0. .1..1..1..1
%e ..0..0..0..0. .0..0..0..0. .0..0..0..0. .0..0..0..0. .1..1..1..1
%e ..0..0..0..0. .0..1..0..1. .0..0..0..0. .0..0..0..0. .1..1..1..1
%Y Cf. A299458.
%K nonn
%O 1,2
%A _R. H. Hardin_, Feb 10 2018
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