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A053510 Decimal expansion of log(Pi). 30
1, 1, 4, 4, 7, 2, 9, 8, 8, 5, 8, 4, 9, 4, 0, 0, 1, 7, 4, 1, 4, 3, 4, 2, 7, 3, 5, 1, 3, 5, 3, 0, 5, 8, 7, 1, 1, 6, 4, 7, 2, 9, 4, 8, 1, 2, 9, 1, 5, 3, 1, 1, 5, 7, 1, 5, 1, 3, 6, 2, 3, 0, 7, 1, 4, 7, 2, 1, 3, 7, 7, 6, 9, 8, 8, 4, 8, 2, 6, 0, 7, 9, 7, 8, 3, 6, 2, 3, 2, 7, 0, 2, 7, 5, 4, 8, 9, 7, 0, 7, 7, 0, 2, 0, 0, 9 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Also the least positive x such that sin(exp(x))==0. See 1991 Mathematica Conference, Elementary Tutorial Notes, page 25.

Also real part of log(log(-1)). - Stanislav Sykora, May 11 2015

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..5000

FORMULA

Equals log(log(-1)) - (Pi/2)*I. - Stanislav Sykora, May 11 2015

Equals 1 + Sum_{n>=1} Zeta(2*n)/(n*(2*n+1)*2^(2*n)), where Zeta is the Riemann Zeta function. - Vaclav Kotesovec, Mar 04 2016

EXAMPLE

1.1447298858494001741...

MATHEMATICA

RealDigits[ Log@ Pi, 10, 111][[1]]

PROG

(PARI) log(Pi) \\ Charles R Greathouse IV, Jan 04 2016

CROSSREFS

Cf. A053511.

Sequence in context: A010476 A020762 A204158 * A197009 A204156 A163106

Adjacent sequences:  A053507 A053508 A053509 * A053511 A053512 A053513

KEYWORD

cons,easy,nonn

AUTHOR

Hsu, Po-Wei (Benny) (arsene_lupin(AT)intekom.co.za), Jan 14 2000

EXTENSIONS

More terms from James A. Sellers, Jan 20 2000

STATUS

approved

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Last modified March 25 01:30 EDT 2017. Contains 284036 sequences.