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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

Table of n, a(n) for n=1..14.

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: A338936 A175713 A090936 * A145764 A165826 A256693

Adjacent sequences:  A262114 A262115 A262116 * A262118 A262119 A262120

KEYWORD

nonn

AUTHOR

R. H. Hardin, Sep 11 2015

STATUS

approved

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Last modified May 25 05:45 EDT 2022. Contains 354048 sequences. (Running on oeis4.)