OFFSET
1,3
FORMULA
Equals Integral_{x=0..oo} 1/(2^x + 2^(-x)) dx. - Amiram Eldar, Jul 16 2020
EXAMPLE
1.133090035456798452406920736429166702542965366930948896046504136985...
MATHEMATICA
A275408L[n_] := RealDigits[Pi/(4 Log[2]), 10, n][[1]]; A275408L[50] (* JungHwan Min, Jul 29 2016 *)
PROG
(PARI) Pi/(4*log(2)) \\ Michel Marcus, Jul 27 2016
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Terry D. Grant, Jul 26 2016
EXTENSIONS
More digits from Jon E. Schoenfield, Mar 15 2018
STATUS
approved