OFFSET
2,1
LINKS
N. Kurokawa, M. Wakayama, A generalization of Lerch’s formula, Czechoslovak Math. J. 54 (2004), 941-947.
EXAMPLE
23.0974787145154967559546686307...
MAPLE
evalf(exp(Pi)-exp(-Pi)) ;
MATHEMATICA
RealDigits[Exp[Pi]-Exp[-Pi], 10, 120][[1]] (* Harvey P. Dale, Aug 28 2019 *)
PROG
(PARI) exp(Pi) + exp(-Pi) \\ Michel Marcus, Jun 29 2019
CROSSREFS
KEYWORD
cons,nonn
AUTHOR
R. J. Mathar, Apr 01 2010
STATUS
approved