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%I A305011 #4 May 23 2018 16:01:49
%S A305011 2,10,31,42,255,862,2200,8807,33055,106158,385363,1430563,4984613,
%T A305011 17903390,65557446,234669342,845691032,3078003683,11115610686,
%U A305011 40193431243,145975752428,528747707176,1915566040755,6952384042215
%N A305011 Number of nX4 0..1 arrays with every element unequal to 1, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero.
%C A305011 Column 4 of A305015.
%H A305011 R. H. Hardin, <a href="/A305011/b305011.txt">Table of n, a(n) for n = 1..210</a>
%H A305011 R. H. Hardin, <a href="/A305011/a305011.txt">Empirical recurrence of order 69</a>
%F A305011 Empirical recurrence of order 69 (see link above)
%e A305011 Some solutions for n=5
%e A305011 ..0..1..0..0. .0..0..0..1. .0..0..0..1. .0..1..0..1. .0..0..1..1
%e A305011 ..0..0..0..1. .0..1..1..1. .1..0..0..1. .0..0..1..1. .0..1..0..1
%e A305011 ..0..0..0..0. .0..0..0..1. .0..0..0..0. .1..0..1..0. .0..1..1..1
%e A305011 ..1..0..0..1. .0..0..0..1. .1..0..0..1. .0..1..0..1. .0..0..1..1
%e A305011 ..0..0..0..0. .0..1..1..1. .0..0..0..1. .0..0..1..1. .0..1..0..1
%Y A305011 Cf. A305015.
%K A305011 nonn
%O A305011 1,1
%A A305011 _R. H. Hardin_, May 23 2018

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