0,1

Volume between a regular hexahedron and the inscribed sphere of diameter 1.

Table of n, a(n) for n=0..99.

1 - 4*Pi*(1/2)^3/3 = 1 - A019673.

0.47640122440170112692289276945341618596713843343748...

RealDigits[1-Pi/6, 10, 120][[1]] (* Harvey P. Dale, Mar 24 2014 *)

Cf. A019673.

Sequence in context: A094641 A200021 A112518 * A308366 A056849 A116081

Adjacent sequences: A228712 A228713 A228714 * A228716 A228717 A228718

nonn,cons

Omar E. Pol, Sep 24 2013

approved