OFFSET
0,1
REFERENCES
S. R. Finch, Mathematical Constants, Cambridge, 2003, Section 5.9 p. 325.
FORMULA
c = 9/32*(m3 + 6/(Pi^2*m3)), where m3 = A086231.
EXAMPLE
0.53923817508158141965602919129297773...
MATHEMATICA
m3 = A086231 = Sqrt[6]/32/Pi^3*Gamma[1/24]*Gamma[5/24]*Gamma[7/24]*Gamma[11/24]; c = 9/32*(m3 + 6/(Pi^2*m3)); RealDigits[c, 10, 100] // First
CROSSREFS
KEYWORD
AUTHOR
Jean-François Alcover, May 19 2014
STATUS
approved