%I #6 Sep 16 2020 19:11:36
%S 1,4,5,11,39,39,48,11067,8405,540,15841950,66160098,1198599
%N Number of n X n 0..1 arrays with every element unequal to 0, 2, 3 or 6 king-move adjacent elements, with upper left element zero.
%C Diagonal of A304141.
%e Some solutions for n=5
%e ..0..0..0..0..0. .0..1..0..0..1. .0..0..0..1..0. .0..1..1..0..1
%e ..0..0..0..0..0. .1..1..0..0..1. .0..0..0..1..1. .1..0..1..0..0
%e ..0..0..0..0..0. .0..0..0..1..0. .0..0..0..0..0. .0..1..1..1..1
%e ..0..0..0..0..0. .0..0..1..0..0. .0..0..0..1..0. .0..1..1..1..1
%e ..1..1..1..1..1. .1..1..0..0..1. .1..1..1..0..1. .0..1..1..1..1
%Y Cf. A304141.
%K nonn
%O 1,2
%A _R. H. Hardin_, May 07 2018