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%I #4 Jun 23 2018 12:52:37
%S 21,237,252,1372,5421,16195,53834,185090,619073,2213741,7903854,
%T 27396112,97000671,345456070,1212355115,4294891431,15302228975,
%U 54122847981,192114679415,684540291374,2430461260505,8640825474293,30793872853587
%N Number of nX7 0..1 arrays with every element unequal to 0, 1, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
%C Column 7 of A306172.
%H R. H. Hardin, <a href="/A306171/b306171.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..1..1..1..1..1..1. .0..0..0..1..0..0..0. .0..0..0..0..1..0..0
%e ..1..1..1..1..1..1..0. .0..0..0..0..0..0..1. .0..0..0..0..0..0..0
%e ..0..0..1..1..1..0..0. .0..0..0..0..0..0..0. .0..0..0..0..0..0..0
%e ..0..1..1..1..1..1..1. .1..0..0..0..0..0..0. .0..0..0..0..0..0..0
%e ..1..1..1..1..1..1..0. .1..1..0..0..0..0..1. .0..0..0..1..0..0..0
%Y Cf. A306172.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jun 23 2018