OFFSET
1,2
EXAMPLE
1.65017975076884835974468311992047637261868912534214824320808068128846...
MATHEMATICA
RealDigits[x /. FindRoot[x^(x^x) == Pi, {x, 1}, WorkingPrecision -> 105]][[1]] (* Amiram Eldar, Jun 25 2023 *)
PROG
(PARI) default(realprecision, 2000); solve(x=0.01, 2, x^(x^x)-Pi)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Anders Hellström, Nov 25 2015
STATUS
approved