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A298134 Number of n X n 0..1 arrays with every element equal to 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero. 0

%I

%S 0,1,0,10,88,917,14422,467043,17828062,1081228309

%N Number of n X n 0..1 arrays with every element equal to 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero.

%C Diagonal of A298139.

%e Some solutions for n=7

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

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

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

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

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

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

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

%Y Cf. A298139.

%K nonn

%O 1,4

%A _R. H. Hardin_, Jan 13 2018

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Last modified October 23 23:05 EDT 2021. Contains 348217 sequences. (Running on oeis4.)