%I #4 Jun 26 2018 17:47:37
%S 1,4,28,310,8943,273102,17524746,1966735514,338897042438,
%T 103107282046491
%N Number of nXn 0..1 arrays with every element unequal to 0, 1, 2, 4, 5 or 8 king-move adjacent elements, with upper left element zero.
%C Diagonal of A316218.
%e Some solutions for n=5
%e ..0..0..0..0..0. .0..0..0..1..0. .0..1..0..0..0. .0..0..0..0..0
%e ..1..0..1..0..0. .0..0..0..0..1. .0..0..1..0..1. .1..1..0..1..1
%e ..0..0..0..0..0. .0..0..0..0..0. .0..1..1..1..0. .1..1..1..1..1
%e ..0..0..0..0..0. .0..1..0..0..1. .0..1..1..1..1. .1..1..1..1..0
%e ..0..0..0..1..1. .0..0..0..0..1. .1..1..1..1..1. .1..0..1..1..0
%Y Cf. A316218.
%K nonn
%O 1,2
%A _R. H. Hardin_, Jun 26 2018