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A269559 Decimal expansion of Psi(log(2)), negated. 6

%I #14 Jan 16 2017 14:07:15

%S 1,2,3,9,5,9,7,2,7,9,6,1,7,6,1,8,5,0,8,2,4,4,1,2,7,5,5,1,6,8,6,0,8,4,

%T 2,4,5,4,3,3,2,8,9,5,2,2,6,8,7,4,2,0,8,6,6,4,6,1,6,4,8,9,8,8,8,1,9,4,

%U 0,6,3,8,9,3,3,4,5,3,5,9,0,1,5,8,7,3,2,6,0,6,9,4,5,7,3,4,8,8,2,3,8,2,0

%N Decimal expansion of Psi(log(2)), negated.

%C Psi(x) is the digamma function (logarithmic derivative of the Gamma function).

%H G. C. Greubel, <a href="/A269559/b269559.txt">Table of n, a(n) for n = 1..5000</a>

%e -1.2395972796176185082441275516860842454332895226874208...

%p evalf(Psi(ln(2)), 120);

%t RealDigits[PolyGamma[Log[2]], 10, 120][[1]]

%o (PARI) default(realprecision, 120); psi(log(2))

%o (MATLAB) format long; psi(log(2))

%Y Cf. A269557, A269558, A269545, A269546, A269547, A257955, A257957, A257958, A257959, A002161.

%Y Cf. A073005, A068466, A175380, A175379, A220086, A203142, A256190, A256191, A256192, A203140, A203139, A203138, A203137.

%K nonn,cons

%O 1,2

%A _Iaroslav V. Blagouchine_, Feb 29 2016

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)