OFFSET
0,1
LINKS
Markus Faulhuber, Anupam Gumber, and Irina Shafkulovska, The AGM of Gauss, Ramanujan's corresponding theory, and spectral bounds of self-adjoint operators, arXiv:2209.04202 [math.CA], 2022, p. 21.
FORMULA
EXAMPLE
0.3874382387848854205695648847540189480496...
MAPLE
(8*Pi^3)/(sqrt(3)*GAMMA(1/3)^6): evalf(%, 92); # Peter Luschny, Sep 24 2022
MATHEMATICA
First[RealDigits[N[6*Pi*Gamma[2/3]^2/(Sqrt[3]*Gamma[1/3]^4), 90]]]
PROG
(PARI) 6*Pi*gamma(2/3)^2/(sqrt(3)*gamma(1/3)^4) \\ Michel Marcus, Sep 24 2022
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Stefano Spezia, Sep 23 2022
STATUS
approved