%I #4 Aug 04 2018 20:16:14
%S 1,4,25,1719,468002,508895558,2157266427366,35375750998532860,
%T 2234441612008121460906,543166694783264652942675685
%N Number of nXn 0..1 arrays with every element unequal to 0, 2, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
%C Diagonal of A317703.
%e Some solutions for n=5
%e ..0..0..0..1..1. .0..0..0..1..0. .0..0..0..0..1. .0..1..0..1..0
%e ..1..1..0..0..0. .1..1..0..1..0. .1..1..0..1..0. .0..1..0..1..0
%e ..0..0..1..0..1. .0..0..0..1..1. .1..0..0..1..1. .0..0..1..1..0
%e ..1..0..1..1..0. .0..0..1..0..0. .1..0..0..0..1. .1..1..1..0..0
%e ..1..0..0..1..0. .0..0..1..0..1. .1..0..1..0..1. .0..1..0..1..1
%Y Cf. A317703.
%K nonn
%O 1,2
%A _R. H. Hardin_, Aug 04 2018