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A262119 Number of (n+1)X(3+1) 0..2 arrays with each row and column prime, read as a base 3 number with top and left being the most significant digits. 0

%I

%S 23,83,2802,8086,218493,716874,35791690,142423172

%N Number of (n+1)X(3+1) 0..2 arrays with each row and column prime, read as a base 3 number with top and left being the most significant digits.

%C Column 3 of A262122.

%e Some solutions for n=4

%e ..0..2..0..1....0..2..0..1....2..1..1..1....2..1..2..2....0..0..1..2

%e ..0..0..0..2....0..0..0..2....0..1..1..1....2..1..2..2....1..0..0..2

%e ..1..0..1..1....0..0..2..1....0..0..0..2....0..0..0..2....2..2..0..1

%e ..0..1..2..2....1..1..0..1....0..0..1..0....2..0..2..1....0..0..0..2

%e ..2..2..2..1....0..2..1..2....1..1..2..1....1..1..1..2....2..1..2..2

%Y Cf. A262122.

%K nonn

%O 1,1

%A _R. H. Hardin_, Sep 11 2015

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Last modified August 19 06:10 EDT 2022. Contains 356216 sequences. (Running on oeis4.)