%I #4 Jul 11 2018 20:30:06
%S 0,7,23,95,4956,144106,1906293,1342645923,632741511767,215792317298469
%N Number of nXn 0..1 arrays with every element unequal to 1, 2, 3, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
%C Diagonal of A316740.
%e Some solutions for n=5
%e ..0..1..1..1..0. .0..1..1..0..0. .0..0..1..0..1. .0..0..1..1..0
%e ..0..0..1..1..1. .0..0..1..1..0. .0..1..0..1..0. .1..0..1..1..0
%e ..1..1..1..0..1. .1..1..1..1..1. .0..0..0..0..0. .1..1..1..0..1
%e ..1..0..1..1..0. .1..1..0..0..1. .0..1..0..0..0. .0..1..1..0..1
%e ..0..1..1..1..0. .0..1..1..1..0. .0..1..1..0..1. .0..0..1..1..0
%Y Cf. A316740.
%K nonn
%O 1,2
%A _R. H. Hardin_, Jul 11 2018