OFFSET
0,1
COMMENTS
Volume between a regular hexahedron and the inscribed sphere of diameter 1.
FORMULA
1 - 4*Pi*(1/2)^3/3 = 1 - A019673.
EXAMPLE
0.47640122440170112692289276945341618596713843343748...
MATHEMATICA
RealDigits[1-Pi/6, 10, 120][[1]] (* Harvey P. Dale, Mar 24 2014 *)
PROG
(PARI) 1 - Pi/6 \\ Charles R Greathouse IV, Oct 01 2022
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Omar E. Pol, Sep 24 2013
STATUS
approved