OFFSET
3,3
COMMENTS
An almost-integer discovered by Simon Plouffe. The computed sum equals 119 within 31 digits after the decimal point.
LINKS
Simon Plouffe, Simon Plouffe Home Page
Eric Weisstein's MathWorld, Almost Integer
EXAMPLE
119.0000000000000000000000000000000959374585102554733558858491339738415043391...
MATHEMATICA
NSum[n^3/(Exp[2*Pi*n/13] - 1), {n, 1, Infinity}, NSumTerms -> 500, WorkingPrecision -> 100] // RealDigits[#, 10, 100] & // First
CROSSREFS
KEYWORD
AUTHOR
Jean-François Alcover, May 27 2013
EXTENSIONS
Offset corrected by Rick L. Shepherd, Jan 01 2014
STATUS
approved