A086057 Decimal expansion of a constant related to a conjectured value of the Masser-Gramain constant.

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

Offset

0,1

References

Steven R. Finch, Mathematical Constants, Encyclopedia of Mathematics and its Applications, vol. 94, Cambridge University Press, 2003, Section 7.2, p. 459.

Links

Table of n, a(n) for n=0..101.

Eric Weisstein's World of Mathematics, Masser-Gramain Constant.

Formula

Equals Pi*(A086058 - 1)/4. - Jean-François Alcover, May 22 2014

Example

0.646245439894813304266473396845792790...

Mathematica

RealDigits[ Pi/4*(2*EulerGamma + 2*Log[2] + 3*Log[Pi] - 4*Log[Gamma[1/4]]), 10, 102] // First (* Jean-François Alcover, Feb 07 2013, after Eric W. Weisstein *)

Crossrefs

Cf. A086058.

Sequence in context: A349700 A201408 A153606 * A254307 A346112 A176394

Adjacent sequences: A086054 A086055 A086056 * A086058 A086059 A086060

Keyword

nonn,cons,easy

Author

Eric W. Weisstein, Jul 07 2003

Extensions

Name corrected by Amiram Eldar, Jun 25 2023

Status

approved