OFFSET
2,2
LINKS
Jonathan Sondow, Diego Marques, Algebraic and transcendental solutions of some exponential equations, Annales Mathematicae et Informaticae 37 (2010) 151-164
FORMULA
-((x*ProductLog(-1, -(log(x)/x)))/log(x)), replacing x with 64/27, gives 256/81 (ProductLog is the Lambert W function).
EXAMPLE
15.2969313436178682300313080466454951313357722002517312514576871...
MATHEMATICA
RealDigits[(64/27)^(256/81), 10, 103] // First
CROSSREFS
KEYWORD
AUTHOR
Jean-François Alcover, Jun 01 2015
STATUS
approved