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 A262106 Number of (n+1)X(1+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, 17, 54, 171, 554, 1926, 6976, 25923, 99597, 395785 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 1 of A262109. LINKS EXAMPLE Some solutions for n=4 ..0..0....2..2....0..0....0..0....2..2....2..2....0..0....2..2....0..1....2..2 ..0..0....2..0....2..2....0..0....2..2....0..1....0..0....1..1....0..1....0..0 ..0..0....2..0....2..0....0..1....0..0....2..2....0..0....2..2....2..0....0..0 ..1..1....1..1....2..2....0..0....2..2....0..1....1..1....1..1....1..1....0..0 ..2..0....2..2....1..1....2..2....1..1....1..1....2..2....1..1....2..2....1..1 CROSSREFS Cf. A262109. Sequence in context: A115914 A352616 A094534 * A081632 A276907 A293464 Adjacent sequences: A262103 A262104 A262105 * A262107 A262108 A262109 KEYWORD nonn AUTHOR R. H. Hardin, Sep 11 2015 STATUS approved

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Last modified March 31 21:40 EDT 2023. Contains 361673 sequences. (Running on oeis4.)