OFFSET
1,2
FORMULA
Gamma(e) = Integral_{x >= 0} x^(e-1)/e^x dx.
EXAMPLE
1.56746825577405307486334038417968844450293305854882834029796531912156236...
MAPLE
evalf(GAMMA(exp(1)), 120);
MATHEMATICA
First@ RealDigits[Gamma@ E, 10, 105] (* Michael De Vlieger, Feb 03 2018 *)
PROG
(PARI) gamma(exp(1)) \\ Michel Marcus, Feb 04 2018
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Paolo P. Lava, Feb 02 2018
STATUS
approved