OFFSET
0,1
LINKS
Michael Penn, This integral looks crazy, YouTube video, 2022.
FORMULA
Equals Integral_{x=0..Pi} i^tan(x) dx, where i is the imaginary unit.
EXAMPLE
0.653072949894912131389531881117225431...
MATHEMATICA
RealDigits[Pi * Exp[-Pi/2], 10, 100][[1]]
PROG
(PARI) Pi * exp(-Pi/2)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Christoph B. Kassir, Sep 07 2022
STATUS
approved