%I #4 Jul 24 2018 10:27:58
%S 1,8,46,490,17039,929233,98315821,35202633059,29277174452171,
%T 53088150169443705
%N Number of nXn 0..1 arrays with every element unequal to 0, 1, 2, 3, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
%C Diagonal of A317230.
%e Some solutions for n=5
%e ..0..1..1..1..1. .0..0..0..0..1. .0..1..1..0..1. .0..0..1..1..0
%e ..1..0..1..1..1. .0..0..0..0..0. .1..0..1..0..0. .0..1..1..0..0
%e ..1..0..1..1..1. .0..0..1..0..0. .1..1..1..1..1. .1..1..1..1..1
%e ..1..1..1..0..0. .0..1..1..0..1. .1..0..1..1..1. .1..0..1..1..1
%e ..1..1..1..1..0. .1..1..1..1..1. .1..1..0..0..0. .1..1..1..1..1
%Y Cf. A317230.
%K nonn
%O 1,2
%A _R. H. Hardin_, Jul 24 2018