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 A316233 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. 0

%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

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Last modified December 4 05:19 EST 2023. Contains 367541 sequences. (Running on oeis4.)