OFFSET
0,1
COMMENTS
Psi(x) is the digamma function (logarithmic derivative of the Gamma function).
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..5000
EXAMPLE
0.9772133079420067332920694864061823436408346099943256...
MAPLE
evalf(Psi(Pi), 120)
MATHEMATICA
RealDigits[PolyGamma[Pi], 10, 120][[1]]
PROG
(PARI) default(realprecision, 120); psi(Pi)
(MATLAB) format long; psi(pi)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Iaroslav V. Blagouchine, Feb 29 2016
STATUS
approved