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A262111 Number of (2+1)X(n+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
17, 195, 2426, 27414, 286164, 2924668, 27440631, 267391114, 2501143873 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 2 of A262109.
LINKS
EXAMPLE
Some solutions for n=4
..0..0..1..0..1....0..2..1..1..0....1..0..1..0..1....2..1..2..0..1
..0..2..1..2..0....0..1..0..0..0....0..2..2..1..0....0..2..1..1..2
..2..1..1..1..2....2..2..2..2..2....2..1..2..0..2....1..2..2..0..2
CROSSREFS
Cf. A262109.
Sequence in context: A359698 A021434 A019316 * A238672 A018250 A021184
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 11 2015
STATUS
approved

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Last modified July 14 02:38 EDT 2024. Contains 374291 sequences. (Running on oeis4.)