%I
%S 1,8,68,1047,27719,1298140,121524556,18974341664,5433457482034
%N Number of nXn 0..1 arrays with every element equal to 0, 1, 2, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
%C Diagonal of A303016.
%e Some solutions for n=5
%e ..0..0..1..0..1. .0..1..1..0..1. .0..0..1..0..0. .0..1..0..0..0
%e ..1..0..1..1..0. .0..0..0..0..0. .1..0..1..0..1. .0..1..0..1..0
%e ..1..0..1..1..0. .1..0..0..1..0. .1..0..1..0..1. .0..1..0..1..0
%e ..1..0..0..0..0. .1..0..0..1..1. .1..0..1..1..0. .0..0..1..0..1
%e ..1..0..1..1..0. .1..0..1..0..0. .0..0..0..1..1. .1..1..0..1..0
%Y Cf. A303016.
%K nonn
%O 1,2
%A _R. H. Hardin_, Apr 17 2018
