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 A299389 Number of n X n 0..1 arrays with every element equal to 0, 1, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero. 0

%I

%S 1,4,3,63,508,2483,112188,5884463,286590596,77024397318

%N Number of n X n 0..1 arrays with every element equal to 0, 1, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero.

%C Diagonal of A299393.

%e Some solutions for n=6

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

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

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

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

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

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

%Y Cf. A299393.

%K nonn

%O 1,2

%A _R. H. Hardin_, Feb 09 2018

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Last modified January 24 06:43 EST 2021. Contains 340398 sequences. (Running on oeis4.)