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%I #4 Feb 05 2018 13:52:30
%S 1,18,18,55,192,652,2002,6741,23631,79836,274822,954282,3306096,
%T 11462662,39849725,138545796,481560761,1674865229,5826326576,
%U 20267377567,70508970351,245315398653,853512851244,2969629901018,10332484940737
%N Number of nX4 0..1 arrays with every element equal to 0, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
%C Column 4 of A299249.
%H R. H. Hardin, <a href="/A299245/b299245.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A299245/a299245.txt">Empirical recurrence of order 72</a>
%F Empirical recurrence of order 72 (see link above)
%e Some solutions for n=5
%e ..0..1..1..0. .0..0..1..1. .0..0..1..1. .0..1..1..1. .0..1..1..0
%e ..0..0..1..1. .0..0..1..1. .1..0..1..0. .0..0..1..0. .0..0..1..1
%e ..1..1..1..0. .0..0..1..1. .1..1..0..0. .0..1..1..1. .1..1..0..1
%e ..0..1..1..1. .1..1..1..1. .0..1..1..1. .1..1..1..0. .0..1..0..0
%e ..1..1..0..1. .1..1..1..1. .1..1..0..1. .1..0..1..1. .1..1..1..0
%Y Cf. A299249.
%K nonn
%O 1,2
%A _R. H. Hardin_, Feb 05 2018
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