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A244977 Decimal expansion of Pi/(12*sqrt(3)). 5
1, 5, 1, 1, 4, 9, 9, 4, 7, 0, 1, 9, 5, 1, 8, 1, 5, 4, 2, 1, 6, 1, 7, 3, 1, 8, 8, 1, 3, 6, 8, 4, 6, 3, 1, 1, 0, 2, 3, 6, 7, 2, 1, 8, 7, 3, 4, 1, 0, 6, 1, 7, 1, 4, 6, 3, 0, 8, 2, 3, 7, 4, 4, 6, 1, 5, 6, 7, 6, 9, 3, 1, 7, 6, 0, 5, 2, 9, 4, 9, 0, 3, 0, 7, 0, 1, 0, 4, 1, 5, 6, 8, 4, 3, 3, 8, 3, 4, 7, 4, 0, 4, 6, 8, 5 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

George Boros and Victor H. Moll, Irresistible integrals, Cambridge University Press (2006), Chapter 13 A Master Formula, p. 250.

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..10000

Eric Weisstein's MathWorld, Beta Function

FORMULA

Equals integral_(0..1) (x^2*(1 + x^2))/(1 + x^2 + x^4)^2 dx.

Also equals beta(3/2, 1/2)/(6*sqrt(3)), where 'beta' is Euler's beta function.

EXAMPLE

0.15114994701951815421617318813684631102367218734106171463082374461567693176...

MATHEMATICA

RealDigits[Pi/(12*Sqrt[3]), 10, 105] // First

CROSSREFS

Cf. A244976.

Sequence in context: A196612 A110635 A179773 * A071170 A332762 A108691

Adjacent sequences:  A244974 A244975 A244976 * A244978 A244979 A244980

KEYWORD

nonn,cons,easy

AUTHOR

Jean-Fran├žois Alcover, Jul 09 2014

STATUS

approved

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Last modified September 20 08:10 EDT 2021. Contains 347577 sequences. (Running on oeis4.)