login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A038623 Smallest prime p such that p/pi(p)>=n. 15
2, 2, 37, 127, 347, 1087, 3109, 8419, 24317, 64553, 175211, 480881, 1304707, 3523901, 9558533, 25874843, 70115473, 189961529, 514272533, 1394193607, 3779851091, 10246935679, 27788566133 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

pi(37)=12 and a(3)=37 is the smallest prime >= 3*12.

CROSSREFS

Cf. A038623-A038627.

Essentially the same as A062743.

a(n) = prime(A038624(n)).

Sequence in context: A131658 A131657 A059523 * A001121 A202711 A116567

Adjacent sequences:  A038620 A038621 A038622 * A038624 A038625 A038626

KEYWORD

nonn

AUTHOR

Jud McCranie (JudMcCranie(AT)ugaalum.uga.edu)

EXTENSIONS

Edited by N. J. A. Sloane (njas(AT)research.att.com), Jun 30 2008 at the suggestion of R. J. Mathar.

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 17 09:15 EST 2012. Contains 206009 sequences.