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A210975 Decimal expansion of square root of (Pi/6). 1
7, 2, 3, 6, 0, 1, 2, 5, 4, 5, 5, 8, 2, 6, 7, 6, 5, 9, 3, 6, 3, 0, 1, 4, 6, 2, 7, 2, 9, 0, 7, 9, 5, 7, 6, 7, 8, 7, 2, 1, 0, 8, 8, 9, 4, 7, 8, 4, 5, 4, 5, 9, 2, 6, 9, 7, 6, 2, 1, 2, 3, 2, 7, 7, 7, 0, 3, 6, 8, 2, 0, 5, 2, 8, 6, 2 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

Edge of a cube with surface area Pi.

LINKS

G. C. Greubel, Table of n, a(n) for n = 0..5000

I. S. Gradsteyn, I. M. Ryzhik, Table of integrals, series and products, (1980), page 420 (formulas 3.757.1, 3.757.2).

FORMULA

Equals (Pi/6)^(1/2).

Equals sqrt(A019673).

From A.H.M. Smeets, Sep 22 2018: (Start)

Equals Integral_{x >= 0} sin(3x)/sqrt(x) dx [Gradshteyn and Ryzhik].

Equals Integral_{x >= 0} cos(3x)/sqrt(x) dx [Gradshteyn and Ryzhik]. (End)

EXAMPLE

0.723601254558267659363...

MAPLE

sqrt(Pi/6) ; evalf(%) ; # R. J. Mathar, Sep 14 2012

MATHEMATICA

RealDigits[Sqrt[Pi/6], 10, 50][[1]] (* G. C. Greubel, May 31 2017 *)

PROG

(PARI) sqrt(Pi/6) \\ Charles R Greathouse IV, Apr 16 2014

CROSSREFS

Cf. A019673.

Sequence in context: A155751 A092234 A160101 * A242671 A065476 A019945

Adjacent sequences:  A210972 A210973 A210974 * A210976 A210977 A210978

KEYWORD

nonn,cons

AUTHOR

Omar E. Pol, Aug 09 2012

STATUS

approved

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Last modified October 25 10:46 EDT 2021. Contains 348239 sequences. (Running on oeis4.)