OFFSET
0,1
LINKS
Pedro Freitas, Integrals of polylogarithmic functions, recurrence relations, and associated Euler sums, Math. Comput., Vol. 74, No. 251 (2005), pp. 1425-1440.
Eric Weisstein's World of Mathematics, Polylogarithm.
FORMULA
Equals 14*zeta(2)^2 - 28*zeta(3)*zeta(2) + 18*zeta(4)*zeta(2) - 8*zeta(5)*zeta(2) + 2*zeta(6)*zeta(2) - 420*zeta(2) + 14*zeta(3)^2 + 6*zeta(4)^2 + 2*zeta(5)^2 + zeta(6)^2 - 336*zeta(3) - 18*zeta(3)*zeta(4) + 224*zeta(4) + 8*zeta(3)*zeta(5) - 6*zeta(4)*zeta(5) - 112*zeta(5) - 2*zeta(3)*zeta(6) + 2*zeta(4)*zeta(6) - 2*zeta(5)*zeta(6) + 40*zeta(6) - 8*zeta(7) + 924.
EXAMPLE
0.341860754469721529107960123637445903641137940143135312301900721227326...
MATHEMATICA
RealDigits[924 - 70*Pi^2 + 259*Pi^4/90 + 143*Pi^6/1890 + 31*Pi^8/28350 + Pi^10/42525 + Pi^12/893025 - 336*Zeta[3] - 14/3*Pi^2*Zeta[3] - 1/5*Pi^4*Zeta[3] - 2/945*Pi^6*Zeta[3] + 14*Zeta[3]^2 - 112*Zeta[5] - 4/3*Pi^2*Zeta[5] - 1/15*Pi^4*Zeta[5] - 2/945*Pi^6*Zeta[5] + 8*Zeta[3]*Zeta[5] + 2*Zeta[5]^2 - 8*Zeta[7], 10, 110][[1]]
(* Alternative: *)
NIntegrate[PolyLog[6, x]^2, {x, 0, 1}, WorkingPrecision->110]
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Vaclav Kotesovec, Jul 01 2026
STATUS
approved
