OFFSET
1,2
COMMENTS
The volume of the cube inscribed in the unit-radius sphere. - Amiram Eldar, Jun 02 2023
REFERENCES
Steven R. Finch, Mathematical Constants, Encyclopedia of Mathematics and its Applications, vol. 94, Cambridge University Press, 2003, Section 5.24, p. 412.
LINKS
Elliott H. Lieb, Residual entropy of square ice, Phys. Rev. 162 (1967) 162-172.
James Propp, The many faces of alternating-sign matrices, 2002.
Scenta server, Lieb's square ice constant. [Broken link]
Eric Weisstein's World of Mathematics, Lieb's Square Ice Constant.
Wikipedia, Lieb's square ice constant.
FORMULA
Equals 8 * A020784.
EXAMPLE
1.539600717839002038...
MAPLE
evalf(sqrt((4/3)^3)) ; # R. J. Mathar, Mar 29 2012
MATHEMATICA
RealDigits[(4/3)^(3/2), 10, 120][[1]] (* Harvey P. Dale, Aug 06 2015 *)
PROG
(PARI) (4/3)^(3/2) \\ Stefano Spezia, Dec 15 2024
CROSSREFS
KEYWORD
AUTHOR
Eric W. Weisstein, Apr 21 2006
STATUS
approved