%I #4 Jul 16 2018 12:49:25
%S 1,5,13,137,6339,533726,493774680,1580858618327,13171868574537481
%N Number of nXn 0..1 arrays with every element unequal to 0, 1, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
%C Diagonal of A316925.
%e Some solutions for n=5
%e ..0..1..0..1..0. .0..0..1..0..1. .0..0..0..1..1. .0..0..1..0..0
%e ..0..0..1..0..0. .1..0..1..0..0. .0..1..0..1..0. .0..1..1..0..1
%e ..1..1..0..1..1. .0..0..0..1..1. .1..1..0..1..1. .0..0..0..1..1
%e ..1..0..0..0..1. .1..1..1..1..0. .0..0..0..1..1. .1..1..0..1..1
%e ..0..0..0..1..1. .0..1..1..0..0. .1..0..0..0..1. .1..0..1..0..1
%Y Cf. A316925.
%K nonn
%O 1,2
%A _R. H. Hardin_, Jul 16 2018
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