Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A002036
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A002036 Compressed primes.
(Formerly M2272 N0898)
+0
3
3, 3, 3, 4, 5, 5, 6, 6, 7, 9, 9, 10, 11, 11, 12, 13, 14, 15, 16, 17, 17, 18, 19, 20, 21, 22, 22, 23, 23, 24, 26, 27, 28, 28, 30, 30, 31, 32, 33, 34, 35, 35, 36, 37, 37, 38, 39, 41, 42, 42, 43, 44, 44, 45, 46, 47, 48, 48, 49, 50, 50, 52, 54, 54, 54, 55, 57, 58, 59, 60, 60, 61, 62 (list; graph; listen)
OFFSET

1,1

REFERENCES

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

M. Stein and S. M. Ulam, An observation on the distribution of primes, Amer. Math. Monthly 74 (1967), 43-44.

LINKS

Harry J. Smith, Table of n, a(n) for n=1,...,1000

FORMULA

Nearest integer to prime(n)/ln prime(n).

MATHEMATICA

Table[ Round[ Prime[n] / Log[ Prime[n]]], {n, 1, 75}]

PROGRAM

(PARI) { n=0; forprime (p=1, 9999, a=round(p/log(p)); write("b002036.txt", n++, " ", a); if (n>=1000, break) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 16 2009]

CROSSREFS

Cf. A070944.

Sequence in context: A120204 A156349 A069941 this_sequence A090903 A022878 A022877

Adjacent sequences: A002033 A002034 A002035 this_sequence A002037 A002038 A002039

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

EXTENSIONS

More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), May 15 2002

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified December 10 00:48 EST 2009. Contains 170565 sequences.


AT&T Labs Research