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A262107 Number of (n+1)X(2+1) 0..2 arrays with each row nonprime and column prime, read as a base 3 number with top and left being the most significant digits. 0
26, 195, 1968, 18933, 186780, 2019171, 23371442 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A262109.

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

Some solutions for n=4

..0..0..1....2..2..0....0..0..0....2..1..0....0..1..1....2..1..0....1..0..0

..2..2..2....0..2..2....0..2..0....0..0..1....1..1..2....2..0..2....0..0..0

..2..2..0....1..2..0....1..1..0....0..0..0....1..2..0....2..0..0....0..2..0

..2..2..0....2..1..1....2..2..2....1..0..1....0..1..1....2..2..2....0..0..1

..1..1..2....2..2..2....2..2..1....2..2..1....1..2..1....1..2..1....2..1..0

CROSSREFS

Cf. A262109.

Sequence in context: A181342 A090960 A357178 * A245952 A056026 A159762

Adjacent sequences:  A262104 A262105 A262106 * A262108 A262109 A262110

KEYWORD

nonn

AUTHOR

R. H. Hardin, Sep 11 2015

STATUS

approved

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Last modified October 2 23:51 EDT 2022. Contains 357230 sequences. (Running on oeis4.)