OFFSET
0,1
COMMENTS
Decimal expansion of the expected distance from a randomly selected point in the unit cube to its center.
REFERENCES
Steven R. Finch, Mathematical Constants, Cambridge, 2003, Section 8.1, p. 479.
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..5000
D. M. Bailey, J. M. Borwein and R. E. Crandall, Box Integrals, J. Comp. Appl. Math., Vol. 206, No. 1 (2007), pp. 196-208, multiply B_3(1) by 24.
FORMULA
Equals A130590 / 2. - Amiram Eldar, Jun 04 2023
EXAMPLE
0.4802959782275264797125539756969...
MATHEMATICA
RealDigits[(6Sqrt[3]+12Log[2+Sqrt[3]]-Pi)/48, 10, 120][[1]] (* Harvey P. Dale, Jan 30 2013 *)
PROG
(PARI) (6*sqrt(3)+12*log(2+sqrt(3))-Pi)/48 \\ Stefano Spezia, Dec 21 2024
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
N. J. A. Sloane, Mar 03 2008
STATUS
approved
