|
%I #4 Jun 27 2018 15:30:41
%S 1,5,14,105,1867,42075,10057887,5109468434,4994868880193
%N Number of nXn 0..1 arrays with every element unequal to 0, 1, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.
%C Diagonal of A316239.
%e Some solutions for n=5
%e ..0..1..1..0..0. .0..1..1..1..0. .0..0..1..1..0. .0..0..0..0..1
%e ..1..1..1..1..0. .0..0..1..1..1. .1..0..1..0..0. .0..0..0..1..1
%e ..1..1..1..1..1. .0..0..1..0..0. .1..1..0..0..0. .0..1..0..1..1
%e ..1..1..1..1..1. .0..1..0..1..0. .1..1..0..0..0. .0..0..0..0..1
%e ..1..1..1..1..1. .1..1..0..1..1. .1..0..1..0..0. .0..0..0..1..1
%Y Cf. A316239.
%K nonn
%O 1,2
%A _R. H. Hardin_, Jun 27 2018
| 