The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified May 13 19:36 EDT 2021. Contains 343868 sequences. (Running on oeis4.)