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A086861 Floor( p/log(p) ), where p = prime(n). 2
2, 2, 3, 3, 4, 5, 6, 6, 7, 8, 9, 10, 11, 11, 12, 13, 14, 14, 15, 16, 17, 18, 18, 19, 21, 21, 22, 22, 23, 23, 26, 26, 27, 28, 29, 30, 31, 31, 32, 33, 34, 34, 36, 36, 37, 37, 39, 41, 41, 42, 42, 43, 43, 45, 46, 47, 48, 48, 49, 49, 50, 51, 53, 54, 54, 55, 57, 57, 59, 59, 60, 61, 62 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Table[Floor[p/Log[p]], {p, Prime[Range[80]]}] (* Harvey P. Dale, Aug 22 2017 *)
PROG
(PARI) a(n) = floor(prime(n)/log(prime(n))) \\ Michel Marcus, Aug 07 2013
CROSSREFS
Sequence in context: A060151 A285902 A097330 * A113865 A358636 A347609
KEYWORD
nonn,easy
AUTHOR
Yang Sok Kim (yangsokk(AT)utas.edu.au), Aug 20 2003
EXTENSIONS
More terms from Ray Chandler, Aug 31 2003
STATUS
approved

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Last modified February 23 15:29 EST 2024. Contains 370283 sequences. (Running on oeis4.)