%I #6 Aug 20 2020 11:49:49
%S 1,8,30,259,3553,84581,2342685,119713006,12137387233,2207029867972,
%T 643385844203031,329004378370081339
%N Number of n X n 0..1 arrays with every element equal to 0, 1, 2 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
%C Diagonal of A302415.
%e Some solutions for n=5
%e ..0..0..1..0..0. .0..1..0..1..1. .0..0..0..1..0. .0..0..1..1..0
%e ..1..1..1..1..1. .0..1..0..1..0. .1..1..1..1..0. .1..0..1..0..0
%e ..1..0..1..0..1. .1..0..0..0..0. .0..1..0..1..0. .1..1..1..0..1
%e ..1..0..1..0..1. .0..1..0..1..1. .0..1..0..1..0. .1..0..0..0..1
%e ..0..0..1..0..0. .0..1..0..1..0. .1..1..0..1..0. .0..0..1..0..0
%Y Cf. A302415.
%K nonn
%O 1,2
%A _R. H. Hardin_, Apr 07 2018