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A262117 Number of (n+1)X(1+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
5, 5, 23, 47, 133, 369, 1206, 3427, 11146, 37720, 122198, 411529, 1414251, 4916092 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 1 of A262122.
LINKS
EXAMPLE
Some solutions for n=4
..1..0....2..1....0..2....1..0....0..2....2..1....0..2....1..2....1..2....2..1
..0..2....0..2....1..0....0..2....0..2....1..0....1..2....1..2....0..2....1..0
..2..1....1..2....1..0....2..1....2..1....1..2....0..2....0..2....1..2....0..2
..1..2....2..1....1..0....2..1....0..2....0..2....0..2....1..2....2..1....1..2
..1..2....2..1....2..1....2..1....1..2....1..2....2..1....2..1....1..2....1..2
CROSSREFS
Cf. A262122.
Sequence in context: A175713 A090936 A366443 * A145764 A165826 A256693
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 11 2015
STATUS
approved

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Last modified July 19 13:41 EDT 2024. Contains 374394 sequences. (Running on oeis4.)