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A002036 Compressed primes.
(Formerly M2272 N0898)
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; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

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

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (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)/log prime(n).

MATHEMATICA

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

PROG

(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, Jun 16 2009]

CROSSREFS

Cf. A070944.

Sequence in context: A177018 A156349 A069941 * A090903 A022878 A022877

Adjacent sequences:  A002033 A002034 A002035 * A002037 A002038 A002039

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Robert G. Wilson v, May 15 2002

STATUS

approved

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Last modified May 24 18:52 EDT 2013. Contains 225630 sequences.