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

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, 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, 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

Offset

1,2

Comments

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

Links

G. C. Greubel, Table of n, a(n) for n = 1..5000

Example

-1.2395972796176185082441275516860842454332895226874208...

Maple

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

Mathematica

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

Prog

(PARI) default(realprecision, 120); psi(log(2))
(MATLAB) format long; psi(log(2))

Crossrefs

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

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

Sequence in context: A222244 A325645 A176570 * A083173 A120725 A253046

Adjacent sequences: A269556 A269557 A269558 * A269560 A269561 A269562

Keyword

nonn,cons

Author

Iaroslav V. Blagouchine, Feb 29 2016

Status

approved