A179044 Decimal expansion of (5/18)*Pi.

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

Offset

0,1

Comments

Decimal expansion of, asymptotically, the probability that the evolution of a random graph ever simultaneously has two complex components. See Spencer's article, p. 722.

Also, (5/180)*Pi = 0.0872664625997... equals the volume shared by a sphere of diameter 1 inscribed in a cube and one of the six pyramids inscribed in the cube. - Omar E. Pol, Sep 01 2024

References

Steven R. Finch, Mathematical Constants, Encyclopedia of Mathematics and its Applications, vol. 94, Cambridge University Press, 2003, Section 5.6.10, p. 312.

Links

Table of n, a(n) for n=0..99.

Joel Spencer, The Giant Component: The Golden Anniversary, Notices of the AMS, Vol. 57, No. 6, June/July 2010, 720-724.

Index entries for transcendental numbers

Formula

(5/18)*Pi.

Equals 10*A019679/3 = 50*A019685 = 100/A234430 = 10*A353908/Pi. - Hugo Pfoertner, Sep 01 2024

Example

0.8726646259971647884618453842443...

Mathematica

RealDigits[5Pi/18, 10, 100][[1]] (* Stefano Spezia, Dec 13 2024 *)

Prog

(PARI) 5*Pi/18 \\ Michel Marcus, Jul 19 2015

Crossrefs

Cf. A000796, A019679, A019685, A234430, A353908.

Sequence in context: A271727 A154164 A021538 * A084254 A255696 A144750

Adjacent sequences: A179041 A179042 A179043 * A179045 A179046 A179047

Keyword

cons,nonn,changed

Author

Jonathan Vos Post, Jun 26 2010

Extensions

Offset corrected by R. J. Mathar, Jun 28 2010

Status

approved