OFFSET
0,2
FORMULA
EXAMPLE
-0.18870819197952853237641009864920797359211446726842922150941743378232...
MATHEMATICA
NIntegrate[1/x*(Exp[-2*x]/(1 - Exp[-3*x])^2 - 1/(9*x^2) - 1/(9*x) + Exp[-x]/36), {x, 0, Infinity}, WorkingPrecision -> 120, MaxRecursion -> 100, PrecisionGoal -> 110]
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Vaclav Kotesovec, Oct 08 2015
STATUS
approved