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%I #4 May 30 2018 17:07:00
%S 21,237,245,1074,4685,17054,64658,259281,981360,3731097,14545752,
%T 55903882,213884003,825770439,3180306376,12211473431,47015069105,
%U 181022736584,696091000166,2678377345408,10308709813612,39659264124397
%N Number of nX7 0..1 arrays with every element unequal to 0, 1, 3, 5 or 8 king-move adjacent elements, with upper left element zero.
%C Column 7 of A305347.
%H R. H. Hardin, <a href="/A305346/b305346.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..0..0..0..0..0..0. .0..1..1..1..1..1..1. .0..0..0..0..0..0..1
%e ..0..0..1..0..0..0..1. .1..1..1..1..1..1..1. .0..0..0..0..0..0..0
%e ..0..0..0..0..0..0..0. .1..1..1..1..1..0..1. .0..0..0..0..0..0..0
%e ..0..0..0..0..0..0..0. .1..1..1..1..0..0..0. .0..0..0..0..0..1..0
%e ..0..0..1..0..0..1..0. .1..0..1..1..1..0..0. .0..1..0..0..0..0..0
%Y Cf. A305347.
%K nonn
%O 1,1
%A _R. H. Hardin_, May 30 2018
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