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Search: id:A090473
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A090473 Primes in A047783. +0
2
2, 2, 3, 5, 5, 7, 7, 7, 11, 11, 11, 13, 13, 13, 13, 17, 17, 17, 17, 19, 19, 19, 19, 23, 23, 23, 23, 29, 29, 29, 29, 29, 31, 31, 31, 31, 37, 37, 37, 37, 37, 41, 41, 41, 41, 41, 43, 43, 43, 43, 43, 47, 47, 47, 47, 47, 53, 53, 53, 53, 53, 53, 59, 59, 59, 59, 59, 59, 61, 61, 61, 61 (list; graph; listen)
OFFSET

1,1

COMMENT

The logarithmic integral can be computed in PARI: Li(x) = -eint1(log(1/x)).

PROGRAM

(PARI) lip(n) = forstep(x=1, n, 1, y=floor(-eint1(log(1/x))); if(isprime(y), print1(y", ")))

CROSSREFS

Cf. A047783.

Sequence in context: A029039 A131429 A105605 this_sequence A113636 A151800 A056896

Adjacent sequences: A090470 A090471 A090472 this_sequence A090474 A090475 A090476

KEYWORD

easy,nonn

AUTHOR

Cino Hilliard (hillcino368(AT)gmail.com), Feb 01 2004

EXTENSIONS

Edited by David Wasserman (wasserma(AT)spawar.navy.mil), Nov 16 2005

page 1

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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