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Number of nXn 0..1 arrays with every element unequal to 1, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.
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%I #4 May 31 2018 09:15:24

%S 0,7,39,398,7196,179644,8803975,615439372,69977566829,13294810916472

%N Number of nXn 0..1 arrays with every element unequal to 1, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.

%C Diagonal of A305367.

%e Some solutions for n=5

%e ..0..1..1..1..0. .0..1..1..0..1. .0..0..0..1..0. .0..0..0..1..1

%e ..1..0..0..0..1. .1..1..0..0..0. .1..0..0..0..0. .0..1..0..0..1

%e ..1..1..0..1..1. .1..1..1..0..0. .0..0..0..0..0. .0..0..0..1..1

%e ..0..1..0..0..1. .0..1..1..1..0. .1..0..0..1..0. .0..0..0..0..1

%e ..1..1..1..0..1. .0..0..1..1..1. .0..0..0..0..0. .1..0..1..0..1

%Y Cf. A305367.

%K nonn

%O 1,2

%A _R. H. Hardin_, May 31 2018