A097881 Decimal expansion of the sum from 1 to infinity of fraction sequence with numerator triangular numbers and denominator sum of prime cubes.

2, 9, 4, 3, 9, 4, 2, 7

Offset

0,1

Links

Table of n, a(n) for n=0..7.

Formula

Equals Sum_{n>=1} A000217(n)/A098999(n). - R. J. Mathar, Dec 07 2014

Example

0.29439427...

Crossrefs

Sequence in context: A200014 A335007 A248968 * A019758 A016642 A070700

Adjacent sequences: A097878 A097879 A097880 * A097882 A097883 A097884

Keyword

more,nonn,cons

Author

Pierre CAMI, Sep 02 2004

Extensions

Offset corrected by R. J. Mathar, May 19 2009

Status

approved