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 A171624 Floor(n-th nonprime / n). 1
 1, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS a(n)= floor(A018252(n)/A000027(n)) = floor(A018252(n)/n). Numerators of (A018252(n)/A000027(n)) in A171529(n), denominators of (A018252(n)/A000027(n)) in A171530(n). LINKS FORMULA a(n) = 1 for n >= 5. MATHEMATICA Module[{nn=100, np}, np=Complement[Range[nn], Prime[Range[PrimePi[nn]]]]; Floor[np/Range[Length[np]]]] (* Harvey P. Dale, Oct 28 2015 *) CROSSREFS Sequence in context: A292560 A086137 A085976 * A032548 A030597 A030599 Adjacent sequences:  A171621 A171622 A171623 * A171625 A171626 A171627 KEYWORD nonn AUTHOR Jaroslav Krizek, Dec 13 2009 EXTENSIONS More terms from Harvey P. Dale, Oct 28 2015 STATUS approved

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Last modified July 31 02:09 EDT 2021. Contains 346366 sequences. (Running on oeis4.)