OFFSET
2,2
LINKS
R. Morris, The dilogarithm function of a real argument, Math. Comp. 33 (1979) 778-787.
Wikipedia, Spence's function
EXAMPLE
12.595170369845016128639896494864...
MATHEMATICA
x /. FindRoot[ PolyLog[2, x] // Re, {x, 13}, WorkingPrecision -> 50] // RealDigits // First (* Jean-François Alcover, Feb 05 2013 *)
PROG
(PARI) solve(x=12, 13, real(polylog(2, x))) \\ Charles R Greathouse IV, Jul 18 2014
CROSSREFS
KEYWORD
cons,nonn
AUTHOR
R. J. Mathar, Nov 16 2011
STATUS
approved