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A094692 Decimal expansion of 2^(5/4)*sqrt(Pi)*exp(Pi/8)/Gamma(1/4)^2. 0
4, 7, 4, 9, 4, 9, 3, 7, 9, 9, 8, 7, 9, 2, 0, 6, 5, 0, 3, 3, 2, 5, 0, 4, 6, 3, 6, 3, 2, 7, 9, 8, 2, 9, 6, 8, 5, 5, 9, 5, 4, 9, 3, 7, 3, 2, 1, 7, 2, 0, 2, 9, 8, 2, 2, 8, 3, 3, 3, 1, 0, 2, 4, 8, 6, 4, 5, 5, 7, 9, 2, 9, 1, 7, 4, 8, 8, 3, 8, 6, 0, 2, 7, 4, 2, 7, 5, 6, 4, 1, 2, 5, 0, 5, 0, 2, 1, 4, 4, 4, 1, 8, 9, 0, 3 (list; constant; graph; refs; listen; history; internal format)
OFFSET

0,1

COMMENTS

Decimal expansion of sigma(1|1,i)/2, where sigma is the Weierstrass sigma function and 1 and i are the half-periods. - Eric Weisstein (eric(AT)weisstein.com), Jan 15, 2005

Known to be transcendental. - Benoit Cloitre (benoit7848c(AT)orange.fr), Jan 07 2006

REFERENCES

Michel Waldschmidt, Elliptic functions and transcendance, dec. 2005, to appear

LINKS

S. Plouffe, 2**(5/4)*sqrt(Pi)*exp(Pi/8)*GAMMA(1/4)**(-2)

Eric Weisstein's World of Mathematics, Weierstrass Constant

Michel Waldschmidt, Elliptic Functions and Transcendence, preprint, Corollary 49. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 20 2008]

FORMULA

2^(5/4)*Pi^(1/2)*exp(Pi/8)/Gamma(1/4)^2=0.474949379987920650332...

MATHEMATICA

RealDigits[2^(5/4)*Sqrt[Pi]*E^(Pi/8)/Gamma[1/4]^(2), 10, 111][[1]]

PROG

(PARI) 2^(5/4)*Pi^(1/2)*exp(Pi/8)/gamma(1/4)^2 - Benoit Cloitre (benoit7848c(AT)orange.fr), Jan 07 2006

CROSSREFS

Sequence in context: A094765 A170863 A021682 * A059139 A110669 A106027

Adjacent sequences:  A094689 A094690 A094691 * A094693 A094694 A094695

KEYWORD

cons,nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), May 19 2004

EXTENSIONS

Edited by N. J. A. Sloane (njas(AT)research.att.com), Aug 19 2008 at the suggestion of R. J. Mathar

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Last modified February 16 19:43 EST 2012. Contains 205949 sequences.