A085668 Decimal expansion of log(1 + Pi).

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

Offset

1,2

Comments

c^(c^2) = 2.033333996147931... where c = log(1 + Pi). - Gerald McGarvey, Mar 15 2005

Links

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

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

1.42108041279429263305377219633371945898575868167894...

Mathematica

RealDigits[Log[1 + Pi], 10, 120][[1]] (* Amiram Eldar, Jun 08 2023 *)

Prog

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

Crossrefs

Cf. A000796, A053510.

Sequence in context: A385686 A195152 A393938 * A256702 A266921 A248721

Adjacent sequences: A085665 A085666 A085667 * A085669 A085670 A085671

Keyword

cons,nonn

Author

N. J. A. Sloane, Jul 15 2003

Status

approved