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%I #4 Jun 02 2018 08:58:18
%S 0,7,19,65,2094,23229,65452,35294211,2468446765,113516758846,
%T 82731232832507
%N Number of nXn 0..1 arrays with every element unequal to 1, 2, 3, 6 or 8 king-move adjacent elements, with upper left element zero.
%C Diagonal of A305489.
%e Some solutions for n=5
%e ..0..0..1..1..1. .0..0..0..0..0. .0..0..1..1..1. .0..1..0..0..0
%e ..0..1..1..0..1. .0..1..0..1..0. .0..1..1..0..1. .1..1..0..1..0
%e ..1..1..1..0..0. .0..0..0..0..0. .1..1..1..1..1. .0..0..0..0..0
%e ..1..0..1..1..1. .1..1..0..0..1. .1..1..0..1..1. .1..0..0..1..0
%e ..1..1..1..1..0. .0..1..0..1..1. .1..0..0..1..0. .1..1..0..1..1
%Y Cf. A305489.
%K nonn
%O 1,2
%A _R. H. Hardin_, Jun 02 2018
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