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A316797 Number of nXn 0..1 arrays with every element unequal to 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. 0

%I

%S 0,3,8,49,792,32193,1964108,268526785,85266493095,47424198471099

%N Number of nXn 0..1 arrays with every element unequal to 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Diagonal of A316801.

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A316801.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jul 14 2018

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Last modified May 10 05:10 EDT 2021. Contains 343748 sequences. (Running on oeis4.)