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%I #4 Jul 14 2018 15:05:01
%S 1,8,227,19816,5391628,4537910922,11834952392431,95718597001627353,
%T 2398617698972252323323
%N Number of nXn 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero.
%C Diagonal of A316815.
%e Some solutions for n=5
%e ..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0
%e ..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..1. .0..0..0..0..0
%e ..1..0..0..0..0. .1..0..0..1..0. .1..0..0..0..1. .1..0..0..1..1
%e ..0..0..0..1..1. .1..0..1..1..1. .0..1..1..0..0. .1..1..0..0..0
%e ..1..0..0..0..0. .1..0..1..0..0. .0..1..0..1..1. .1..1..1..0..0
%Y Cf. A316815.
%K nonn
%O 1,2
%A _R. H. Hardin_, Jul 14 2018
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