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A262110 Number of (1+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
7, 26, 130, 617, 2668, 11479, 47947, 201431, 829089, 3392254, 13837262 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 1 of A262109.
LINKS
EXAMPLE
Some solutions for n=4
..1..1..1..1..2....1..0..1..1..0....0..1..0..2..1....0..0..1..0..0
..0..0..0..0..1....2..2..0..0..2....2..2..2..1..0....2..2..0..2..2
CROSSREFS
Cf. A262109.
Sequence in context: A232605 A350473 A349309 * A319425 A026683 A197053
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 11 2015
STATUS
approved

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Last modified June 20 21:09 EDT 2024. Contains 373532 sequences. (Running on oeis4.)