A085671 Decimal expansion of log(1 + exp(1)).

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

Offset

1,2

Links

Table of n, a(n) for n=1..99.

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, Springer-Verlag, 2001.

Formula

From Amiram Eldar, Aug 09 2020: (Start)

Equals 1 + log(1 + 1/e).

Equals 1 + Integral_{x=1..oo} 1/(exp(x) + 1) dx. (End)

Example

1.313261687518222834048995494967855641915280085670348...

Mathematica

RealDigits[Log[1+Exp[1]], 10, 120][[1]] (* Harvey P. Dale, Jun 09 2013 *)

Prog

(PARI) log(1+exp(1)) \\ Charles R Greathouse IV, Mar 25 2014

Crossrefs

Sequence in context: A126088 A363833 A294248 * A126324 A035557 A305735

Adjacent sequences: A085668 A085669 A085670 * A085672 A085673 A085674

Keyword

cons,nonn

Author

N. J. A. Sloane, Jul 15 2003

Status

approved