OFFSET
1,2
COMMENTS
Also the solution of x=e^e^(-x). The Mathematica program includes intersecting graphs of y=log(x) and y=e^(-x), as well as y=x, y=e^e^(-x).
EXAMPLE
x=1.30979958580415047766923370196817250...
MATHEMATICA
Plot[{Log[x], E^-x, , x, E^E^-x}, {x, -1, 2}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[Log[x] == E^-x, {x, 1.3, 1.4}, WorkingPrecision -> 110]
RealDigits[r] (* A201942 *)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Dec 13 2011
STATUS
approved