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Decimal expansion of (5/18)*Pi.
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%I #27 Dec 13 2024 15:59:28

%S 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,

%T 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,

%U 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

%N Decimal expansion of (5/18)*Pi.

%C 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.

%C 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

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

%H Joel Spencer, <a href="http://www.ams.org/notices/201006/rtx100600720p.pdf">The Giant Component: The Golden Anniversary</a>, Notices of the AMS, Vol. 57, No. 6, June/July 2010, 720-724.

%H <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>

%F (5/18)*Pi.

%F Equals 10*A019679/3 = 50*A019685 = 100/A234430 = 10*A353908/Pi. - _Hugo Pfoertner_, Sep 01 2024

%e 0.8726646259971647884618453842443...

%t RealDigits[5Pi/18,10,100][[1]] (* _Stefano Spezia_, Dec 13 2024 *)

%o (PARI) 5*Pi/18 \\ _Michel Marcus_, Jul 19 2015

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

%K cons,nonn

%O 0,1

%A _Jonathan Vos Post_, Jun 26 2010

%E Offset corrected by _R. J. Mathar_, Jun 28 2010