OFFSET
0,1
LINKS
R. W. Gosper, Acceleration of series, AI memo 304 (1974), page 40
FORMULA
Equals (10*Sqrt(3)*Pi^3 + 351*zeta(3))/972.
EXAMPLE
0.986590986262542291303205534145739320952044749668716985997437418...
MATHEMATICA
RealDigits[N[Sum[(-1)^k (3k + 1)^(-3), {k, 0, Infinity}], 10, 105]][[1]] (* Grau, corrected by Alonso del Arte, Jan 01 2014 *)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
José María Grau Ribas, Jun 16 2013
EXTENSIONS
Offset and last term corrected by Rick L. Shepherd, Jan 01 2014
STATUS
approved