A019728 Decimal expansion of sqrt(2*Pi)/3.

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

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• cons

Examples

			0.835542758210333500805255094937...
		

Links

• G. C. Greubel, Table of n, a(n) for n = 0..10000 (terms 0..1000 from Ivan Panchenko)
• Index entries for transcendental numbers

Crossrefs

Cf. A019727.

Programs

Magma

R:= RealField(); Sqrt(2*Pi(R))/3; // G. C. Greubel, Jul 27 2018

Mathematica

RealDigits[Sqrt[2Pi]/3, 10, 99][[1]] (* Indranil Ghosh, May 02 2017 *)

PARI

sqrt(2*Pi)/3 \\ G. C. Greubel, Jul 27 2018

Formula

Equals Integral_{x>=0} (sin(x)-x*cos(x))/x^(5/2) dx. - Amiram Eldar, May 08 2021