A203817 Decimal expansion of gamma*Pi.

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

Offset

1,2

Links

G. C. Greubel, Table of n, a(n) for n = 1..10000

Formula

Equals -2 * Integral_{x=0..oo} log(x)*sin(x)/x dx. - Amiram Eldar, Aug 18 2020

Example

1.8133764923916034996131345312710400191076641813726...

Maple

evalf(gamma*Pi) ;

Mathematica

RealDigits[EulerGamma*Pi, 10, 100][[1]] (* G. C. Greubel, Sep 06 2018 *)

Prog

(PARI) Euler*Pi
(Magma) R:= RealField(100); EulerGamma(R)*Pi(R); // G. C. Greubel, Sep 06 2018

Crossrefs

Cf. A001620 (gamma), A000796 (Pi).

Sequence in context: A021127 A010155 A019607 * A196932 A199278 A011391

Adjacent sequences: A203814 A203815 A203816 * A203818 A203819 A203820

Keyword

nonn,cons

Author

Yalcin Aktar, Jan 06 2012

Status

approved