login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual Appeal: Today, Nov 11 2014, is the 4th anniversary of the launch of the new OEIS web site. 70,000 sequences have been added in these four years, all edited by volunteers. Please make a donation (tax deductible in the US) to help keep the OEIS running.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A200134 Decimal expansion of the negated value of the digamma function at 3/4. 3
1, 0, 8, 5, 8, 6, 0, 8, 7, 9, 7, 8, 6, 4, 7, 2, 1, 6, 9, 6, 2, 6, 8, 8, 6, 7, 6, 2, 8, 1, 7, 1, 8, 0, 6, 9, 3, 1, 7, 0, 0, 7, 5, 0, 3, 9, 3, 3, 3, 1, 3, 6, 4, 5, 0, 6, 8, 0, 3, 3, 4, 9, 6, 7, 2, 1, 1, 1, 4, 0, 3, 8, 9, 5, 4, 3, 6, 4, 4, 3, 1, 8, 4, 4, 0, 5, 1, 9, 6, 3, 1, 6, 0, 9, 9, 4, 4 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..97.

Wikipedia, Digamma function

FORMULA

Psi(3/4) = -gamma+Pi/2-3*log(2) = A000796 -A020777 = 3.14159... - 4.22745...

EXAMPLE

Psi(3/4) = -1.085860879786472169626886762817...

MAPLE

evalf(-gamma+Pi/2-3*log(2)) ;

MATHEMATICA

RealDigits[ -PolyGamma[3/4], 10, 97] // First (* Jean-Fran├žois Alcover, Feb 20 2013 *)

PROG

(PARI) -psi(3/4) \\ Charles R Greathouse IV, Nov 22 2011

CROSSREFS

Cf. A001620, A020759, A047787.

Sequence in context: A153799 A086235 A157742 * A021542 A198136 A144454

Adjacent sequences:  A200131 A200132 A200133 * A200135 A200136 A200137

KEYWORD

cons,nonn

AUTHOR

R. J. Mathar, Nov 13 2011

STATUS

approved

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

Content is available under The OEIS End-User License Agreement .

Last modified November 22 10:27 EST 2014. Contains 249805 sequences.