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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

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Last modified August 28 13:11 EDT 2015. Contains 261122 sequences.