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A061444 Decimal expansion of log(2 * Pi). 5
1, 8, 3, 7, 8, 7, 7, 0, 6, 6, 4, 0, 9, 3, 4, 5, 4, 8, 3, 5, 6, 0, 6, 5, 9, 4, 7, 2, 8, 1, 1, 2, 3, 5, 2, 7, 9, 7, 2, 2, 7, 9, 4, 9, 4, 7, 2, 7, 5, 5, 6, 6, 8, 2, 5, 6, 3, 4, 3, 0, 3, 0, 8, 0, 9, 6, 5, 5, 3, 1, 3, 9, 1, 8, 5, 4, 5, 2, 0, 7, 9, 5, 3, 8, 9, 4, 8, 6, 5, 9, 7, 2, 7, 1, 9, 0, 8, 3, 9, 5, 2, 4 (list; constant; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

Used in formulae for gamma(x), e.g. in Stirling's approximation of m!.

Also decimal expansion of zeta'(0)/zeta(0) - Benoit Cloitre, Sep 28 2002

The value of log(2*Pi) is close to 1 + sum(n>=2, log(zeta(n)) ) = 1.83067035427178011248.... [From Arkadiusz Wesolowski, Jul 17 2011]

LINKS

Harry J. Smith, Table of n, a(n) for n=1,...,20000

S. Plouffe, log(2*Pi) to 10000 digits

S. Plouffe, Log(2*pi) to 2000 places

FORMULA

Equals A002162 + A053510 = A131659 - A094642. - R. J. Mathar, Aug 27 2011

EXAMPLE

1.837877066409345483560659472811235279722794947275566825634303...

MATHEMATICA

RealDigits[N[Log[2*Pi], 100]][[1]] (* Arkadiusz Wesolowski, Aug 29 2011 *)

PROG

(PARI) { default(realprecision, 20080); x=log(2*Pi); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b061444.txt", n, " ", d)) } [From Harry J. Smith, Jul 22 2009]

CROSSREFS

Sequence in context: A131654 A033990 A099284 * A011214 A119806 A089260

Adjacent sequences:  A061441 A061442 A061443 * A061445 A061446 A061447

KEYWORD

nonn,cons

AUTHOR

Frank.Ellermann(AT)t-online.de, Jun 11 2001

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Last modified February 17 21:13 EST 2012. Contains 206085 sequences.