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A085674
Decimal expansion of log(1 + log(1 + log(1 + log(1 + e)))).
0
4, 7, 5, 6, 3, 5, 3, 8, 9, 5, 3, 7, 9, 8, 9, 7, 0, 8, 7, 5, 5, 3, 5, 9, 4, 9, 5, 3, 1, 9, 7, 3, 7, 1, 2, 2, 3, 2, 7, 1, 4, 4, 8, 8, 4, 3, 1, 3, 3, 3, 1, 0, 7, 2, 2, 7, 6, 4, 6, 5, 2, 4, 4, 4, 6, 4, 5, 5, 2, 6, 3, 1, 9, 8, 2, 9, 0, 2, 9, 6, 1, 8, 9, 1, 3, 8, 8, 1, 7, 2, 0, 6, 2, 3, 3, 1, 3, 9, 9
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