OFFSET
0,1
FORMULA
Equals A203142/8. - R. J. Mathar, Jan 15 2021
Equals Integral_{x=0..oo} exp(-x^8) dx. - Ilya Gutkovskiy, Sep 18 2021
EXAMPLE
.94174269984970148808740373015189170307630244851863449262289...
MATHEMATICA
RealDigits[(1/8)!, 10, 120][[1]] (* Harvey P. Dale, May 30 2014 *)
PROG
(PARI) gamma(9/8) \\ Charles R Greathouse IV, Mar 25 2014
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
N. J. A. Sloane, Dec 29 2011
STATUS
approved