OFFSET
1,1
COMMENTS
Volume between a sphere of radius 1 and the circumscribed cube.
FORMULA
4*(2 - Pi/3) = 8 - 4*Pi/3 = 8 - A019699.
EXAMPLE
3.8112097952136090153831...
MATHEMATICA
RealDigits[4 (2 - Pi/3), 10, 87][[1]] (* Bruno Berselli, Aug 03 2012 *)
PROG
(PARI) 8 - 4/3*Pi \\ Charles R Greathouse IV, Oct 01 2022
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Omar E. Pol, Aug 03 2012
STATUS
approved