OFFSET
0,1
EXAMPLE
0.3118211318643269832...
MATHEMATICA
RealDigits[Integrate[x*Exp[-x]/(Exp[x] + Exp[-x] - 1), {x, 0, Infinity}], 10, 105][[1]] (* Amiram Eldar, Oct 30 2021 *)
PROG
(SageMath)
RealField(45)(numerical_integral(x*exp(-x)/(exp(x)+exp(-x)-1), 0, +Infinity)[0])
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Dumitru Damian, Oct 30 2021
STATUS
approved