A085675 Decimal expansion of log(1 + log(1 + log(1 + log(1 + Pi)))).

4, 9, 0, 7, 3, 1, 5, 0, 2, 7, 2, 7, 5, 8, 1, 8, 2, 9, 5, 1, 5, 8, 8, 9, 1, 9, 7, 1, 6, 3, 6, 5, 1, 7, 1, 3, 0, 8, 7, 0, 6, 1, 8, 3, 7, 2, 6, 6, 2, 6, 5, 1, 8, 8, 3, 6, 4, 8, 0, 7, 5, 1, 3, 7, 3, 9, 1, 0, 7, 9, 9, 4, 7, 6, 6, 8, 9, 6, 7, 6, 0, 9, 5, 2, 1, 3, 8, 1, 4, 4, 6, 1, 0, 0, 2, 2, 0, 2, 0

Offset

0,1

Links

Table of n, a(n) for n=0..98.

J. 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 2064/2001.

Mathematica

RealDigits[Log[1+Log[1+ Log[1+Log[1+Pi]]]], 10, 120][[1]] (* Harvey P. Dale, Jun 24 2015 *)

Prog

(PARI) log(1 + log(1 + log(1 + log(1 + Pi)))) \\ Charles R Greathouse IV, Apr 01 2014

Crossrefs

Sequence in context: A070016 A243372 A020802 * A254133 A303984 A336308

Adjacent sequences: A085672 A085673 A085674 * A085676 A085677 A085678

Keyword

cons,nonn

Author

N. J. A. Sloane, Jul 15 2003

Status

approved