OFFSET
0,1
LINKS
Michael I. Shamos, A catalog of the real numbers (2011).
FORMULA
Equals arcsinh(1/Pi).
Equals log(sqrt(1/Pi^2 + 1) + 1/Pi).
Equals Integral_{x=Pi..oo} 1/(x*sqrt(1 + x^2)) dx.
EXAMPLE
0.313165880450868375871869308265705931525142045520210105641510706472...
MATHEMATICA
RealDigits[ArcCsch[Pi], 10, 105][[1]]
PROG
(PARI) asinh(1/Pi) \\ Michel Marcus, Mar 15 2023
CROSSREFS
KEYWORD
cons,nonn
AUTHOR
Wolfe Padawer, Mar 14 2023
STATUS
approved