OFFSET
0,1
LINKS
Jens Blanck, Exact real arithmetic systems: results of competition, pp. 389-393 of J. Blanck et al., eds., Computability and Complexity in Analysis (CCA 2000), Lect. Notes Computer Science, Springer-Verlag, 2001; alternative link.
EXAMPLE
0.47563538953798970875535949531973712232714488431333...
MATHEMATICA
RealDigits[Log[1 + Log[1 + Log[1 + Log[1 + E]]]], 10, 120][[1]] (* Amiram Eldar, Jun 08 2023 *)
PROG
(PARI) log(1 + log(1 + log(1 + log(1 + exp(1))))) \\ Charles R Greathouse IV, Apr 01 2014
CROSSREFS
KEYWORD
cons,nonn
AUTHOR
N. J. A. Sloane, Jul 15 2003
STATUS
approved