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A155968 Decimal expansion of (1/2)*log(Pi). 17
5, 7, 2, 3, 6, 4, 9, 4, 2, 9, 2, 4, 7, 0, 0, 0, 8, 7, 0, 7, 1, 7, 1, 3, 6, 7, 5, 6, 7, 6, 5, 2, 9, 3, 5, 5, 8, 2, 3, 6, 4, 7, 4, 0, 6, 4, 5, 7, 6, 5, 5, 7, 8, 5, 7, 5, 6, 8, 1, 1, 5, 3, 5, 7, 3, 6, 0, 6, 8, 8, 8, 4, 9, 4, 2, 4, 1, 3, 0, 3, 9, 8, 9, 1, 8, 1, 1, 6, 3, 5, 1, 3, 7, 7, 4, 4, 8, 5, 3, 8, 5, 1, 0, 0, 4 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

This sequence is also the decimal expansion of the logarithm of the Gamma-function at 1/2. - Iaroslav V. Blagouchine, Mar 20 2015

LINKS

G. C. Greubel, Table of n, a(n) for n = 0..5000

FORMULA

Equals A053510/2 = log(A002161) = A131659/4.

EXAMPLE

0.572364942924700087071713675676529355823...

MAPLE

evalf(log(Pi)/2);

MATHEMATICA

RealDigits[Log[Pi]/2, 10, 120][[1]] (* Harvey P. Dale, May 31 2015 *)

PROG

(PARI) log(gamma(1/2)) \\ or \\ log(Pi)/2 \\ _G. C. Greubl_, Jan 16 2017

CROSSREFS

Sequence in context: A192040 A117759 A021640 * A154479 A153110 A099283

Adjacent sequences:  A155965 A155966 A155967 * A155969 A155970 A155971

KEYWORD

cons,easy,nonn

AUTHOR

R. J. Mathar, Jan 31 2009

STATUS

approved

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Last modified October 22 16:57 EDT 2018. Contains 316490 sequences. (Running on oeis4.)