%I #6 Sep 16 2020 18:54:29
%S 1,8,65,953,20686,708572,45861206,4252740185,585620151599
%N Number of n X n 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
%C Diagonal of A302322.
%e Some solutions for n=5
%e ..0..1..1..1..1. .0..1..1..1..0. .0..0..1..0..0. .0..0..1..0..0
%e ..0..0..1..0..1. .1..1..0..1..0. .1..1..0..0..1. .0..1..1..1..0
%e ..1..0..1..0..1. .0..0..0..1..0. .1..0..1..1..1. .1..1..1..1..1
%e ..1..0..1..0..1. .0..1..1..1..1. .1..0..1..0..0. .0..0..1..0..0
%e ..0..1..0..1..0. .1..1..0..0..0. .0..0..0..0..1. .1..0..1..0..0
%Y Cf. A302322.
%K nonn
%O 1,2
%A _R. H. Hardin_, Apr 05 2018