%I #6 Sep 16 2020 19:10:02
%S 0,7,38,370,5162,99733,2820436,106817959,5516875986,403632644584
%N Number of n X n 0..1 arrays with every element unequal to 1, 2, 3 or 5 king-move adjacent elements, with upper left element zero.
%C Diagonal of A304019.
%e Some solutions for n=5
%e ..0..0..0..1..1. .0..0..0..1..1. .0..1..0..0..1. .0..0..0..0..1
%e ..0..1..1..0..0. .1..0..1..1..0. .0..0..0..1..1. .1..0..0..1..1
%e ..1..1..0..0..0. .1..1..1..1..1. .1..0..0..0..1. .0..0..0..0..1
%e ..0..1..1..0..1. .1..0..1..0..0. .0..0..1..1..0. .0..0..0..1..1
%e ..1..1..0..0..0. .0..0..0..0..1. .1..1..1..0..0. .0..1..0..1..0
%Y Cf. A304019.
%K nonn
%O 1,2
%A _R. H. Hardin_, May 04 2018