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A097879 Decimal expansion of Sum_{k>=1} k/prime(k)^3. 1
2, 4, 7, 0, 7, 7, 1, 2, 9, 8, 3, 9, 8, 4, 1, 3, 7, 5, 3 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..18.

FORMULA

Sum_{k>=1} k/A030078(k). - R. J. Mathar, Feb 05 2009

EXAMPLE

0.2470771298398413753...

CROSSREFS

Sequence in context: A335534 A213673 A118946 * A180658 A019748 A061501

Adjacent sequences:  A097876 A097877 A097878 * A097880 A097881 A097882

KEYWORD

more,nonn,cons

AUTHOR

Pierre CAMI, Sep 02 2004

EXTENSIONS

Offset corrected by R. J. Mathar, Feb 05 2009

a(7) corrected and a(8)-a(18) from Jon E. Schoenfield, Dec 16 2016 - Dec 24 2016

STATUS

approved

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Last modified December 7 18:19 EST 2021. Contains 349585 sequences. (Running on oeis4.)