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%I #4 Jan 18 2018 07:18:21
%S 1,18,18,47,172,504,1502,5011,16723,55130,184504,619998,2084868,
%T 7024818,23676837,79847524,269324641,908631125,3065973546,10346238353,
%U 34915387305,117832494393,397671686820,1342113470626,4529581358627
%N Number of nX4 0..1 arrays with every element equal to 0, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.
%C Column 4 of A298382.
%H R. H. Hardin, <a href="/A298378/b298378.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A298378/a298378.txt">Empirical recurrence of order 71</a>
%F Empirical recurrence of order 71 (see link above)
%e Some solutions for n=7
%e ..0..1..0..0. .0..0..1..1. .0..0..1..1. .0..0..0..0. .0..0..1..1
%e ..0..0..0..1. .0..0..1..0. .0..1..1..0. .0..1..1..0. .0..0..1..0
%e ..1..0..0..0. .1..1..1..1. .1..0..0..0. .0..1..0..1. .1..1..1..1
%e ..0..0..1..0. .0..1..1..0. .1..0..1..0. .0..0..0..1. .0..1..1..0
%e ..0..1..0..1. .1..1..0..0. .1..1..1..1. .0..1..1..0. .0..0..1..1
%e ..0..1..1..1. .0..1..1..1. .0..1..1..0. .1..0..1..0. .1..1..1..0
%e ..0..0..1..0. .1..1..0..1. .1..1..0..0. .1..1..0..0. .1..0..1..1
%Y Cf. A298382.
%K nonn
%O 1,2
%A _R. H. Hardin_, Jan 18 2018
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