%I #4 Jul 05 2018 07:12:55
%S 1,8,28,204,2995,73031,3646656,442204876,110715247064,59638747389710,
%T 71177795600554924,181350693611354151984,1002521061243272588552787
%N Number of nXn 0..1 arrays with every element unequal to 0, 1, 2, 3, 7 or 8 king-move adjacent elements, with upper left element zero.
%C Diagonal of A316518.
%e Some solutions for n=5
%e ..0..0..0..1..1. .0..0..0..0..0. .0..0..0..0..1. .0..1..1..0..0
%e ..0..1..0..0..1. .0..0..0..1..0. .0..1..0..0..0. .1..1..0..1..1
%e ..1..0..0..0..0. .0..0..0..0..0. .0..1..0..1..0. .1..1..1..1..1
%e ..1..0..0..0..0. .0..1..1..0..0. .0..0..0..0..0. .1..1..0..1..1
%e ..1..0..0..0..0. .0..0..0..0..0. .0..0..0..0..1. .0..1..1..0..0
%Y Cf. A316518.
%K nonn
%O 1,2
%A _R. H. Hardin_, Jul 05 2018