OFFSET
1,2
COMMENTS
The volume of the cube inscribed in the unit-radius sphere. - Amiram Eldar, Jun 02 2023
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 *)
CROSSREFS
KEYWORD
AUTHOR
Eric W. Weisstein, Apr 21 2006
STATUS
approved