A097880 Decimal expansion of the sum for 1 to infinity of fraction sequence with numerator triangular numbers and denominator sum of 4th power of primes.

1, 0, 6, 8, 3, 2, 7, 9, 0, 3, 3, 4, 6, 4, 0

Offset

1,3

Comments

The partial sum over the first 1 million primes is 0.106832790334640030...

The partial sum over the first 3 million primes is 0.1068327903346400495...

Links

Table of n, a(n) for n=1..15.

Formula

Equals Sum_{n >=1} A000217(n)/A122102(n). - R. J. Mathar, Dec 07 2014

Example

T4 = 0.1068327...

Crossrefs

Sequence in context: A019255 A153895 A103430 * A196768 A355976 A021598

Adjacent sequences: A097877 A097878 A097879 * A097881 A097882 A097883

Keyword

more,nonn,cons

Author

Pierre CAMI, Sep 02 2004

Status

approved