%I #6 Sep 16 2020 18:59:47
%S 1,3,17,95,1197,45897,3780984,786125894,460770487307
%N Number of n X n 0..1 arrays with every element equal to 0, 1, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
%C Diagonal of A302877.
%e Some solutions for n=5
%e ..0..1..0..1..0. .0..0..0..0..1. .0..1..0..1..0. .0..1..0..1..1
%e ..0..1..0..1..0. .1..1..0..0..0. .0..1..1..1..0. .1..1..0..0..0
%e ..0..1..1..1..0. .0..0..0..0..0. .0..0..0..1..0. .0..1..0..1..0
%e ..0..0..0..1..0. .0..1..0..0..1. .0..1..0..1..0. .0..1..0..1..0
%e ..0..1..0..1..0. .0..1..1..1..1. .0..1..1..1..0. .0..0..0..1..0
%Y Cf. A302877.
%K nonn
%O 1,2
%A _R. H. Hardin_, Apr 15 2018
|