OFFSET
0,1
LINKS
Eric Weisstein's MathWorld, Dilogarithm
FORMULA
6 - 2*zeta(2) - 4*zeta(3) + zeta(2)^2.
EXAMPLE
0.607712337943015464246226262015069415439032408...
MATHEMATICA
RealDigits[6 - 2*Zeta[2] - 4*Zeta[3] + Zeta[2]^2, 10, 106] // First
NIntegrate[PolyLog[2, x]^2, {x, 0, 1}, WorkingPrecision->110] (* Vaclav Kotesovec, Nov 03 2014 *)
PROG
(Python)
from mpmath import *
mp.dps=107
f=lambda x: polylog(2, x)**2
I=quad(f, [0, 1])
print([int(n) for n in list(str(I)[2:-1])]) # Indranil Ghosh, Jul 04 2017
CROSSREFS
KEYWORD
AUTHOR
Jean-François Alcover, Nov 03 2014
STATUS
approved