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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
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
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. Greubel, Jan 16 2017
CROSSREFS
Sequence in context: A192040 A117759 A021640 * A154479 A347341 A153110
KEYWORD
cons,easy,nonn
AUTHOR
R. J. Mathar, Jan 31 2009
STATUS
approved