OFFSET
0,1
REFERENCES
L. B. W. Jolley, Summation of Series, Dover, 1961, Eq. (314).
LINKS
Michael I. Shamos, Shamos's catalog of the real numbers (2011).
FORMULA
Equals Pi^3 / (2! * 3^2 * sqrt(3)).
Equals 1 + Sum_{k>=1} ( 1/(6*k+1)^3 - 1/(6*k-1)^3 ).
EXAMPLE
0.99452678821883983883594015647988828371...
MATHEMATICA
First[RealDigits[N[Pi^3 / (2! * 3^2 * Sqrt[3]), 88]]] (* Stefano Spezia, Jul 24 2021 *)
CROSSREFS
KEYWORD
AUTHOR
Sean A. Irvine, Jul 24 2021
STATUS
approved