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A096795 Numerator of sum of reciprocals of first n prime powers; denominator=A051451(n). 0
1, 3, 11, 25, 137, 1019, 2143, 6709, 76319, 1019867, 2084779, 36161963, 699329537, 16317371911, 82657705331, 250947687593, 7357796373397, 230420777138107, 465354165304139, 17362507669146743, 717205745892079663 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..21.

EXAMPLE

n=6: 1/1 + 1/2 + 1/3 + 1/4 + 1/5 + 1/7 =

(420+210+140+105+84+60)/420 = 1019/420 = a(6)/A051451(6).

CROSSREFS

Cf. A000961, A024451.

Sequence in context: A096617 A025529 A124078 * A160039 A272296 A051925

Adjacent sequences:  A096792 A096793 A096794 * A096796 A096797 A096798

KEYWORD

nonn,frac

AUTHOR

Reinhard Zumkeller, Aug 17 2004

STATUS

approved

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Last modified May 11 15:04 EDT 2021. Contains 343791 sequences. (Running on oeis4.)