%I #6 Sep 16 2020 18:55:56
%S 1,2,18,10,924,5266,404761,26036557,4110999261,1386699669527
%N Number of n X n 0..1 arrays with every element equal to 0, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
%C Diagonal of A302460.
%e Some solutions for n=5
%e ..0..1..0..0..1. .0..1..0..1..1. .0..1..1..0..1. .0..1..1..0..1
%e ..1..1..1..0..0. .1..1..1..1..1. .0..1..1..0..1. .0..1..1..0..1
%e ..0..1..1..0..0. .0..1..0..0..0. .0..1..0..0..0. .0..1..0..0..0
%e ..1..1..1..0..0. .0..1..1..0..1. .1..1..1..0..0. .0..1..1..0..1
%e ..0..1..0..0..1. .1..1..1..0..1. .1..1..0..0..0. .1..1..1..0..1
%Y Cf. A302460.
%K nonn
%O 1,2
%A _R. H. Hardin_, Apr 08 2018