1,2
Table of n, a(n) for n=1..105.
E. 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
Equals 8 * A020784.
1.539600717839002038...
evalf(sqrt((4/3)^3)) ; # R. J. Mathar, Mar 29 2012
RealDigits[(4/3)^(3/2), 10, 120][[1]] (* Harvey P. Dale, Aug 06 2015 *)
Cf. A054759.
Sequence in context: A133090 A145800 A161501 * A242616 A073891 A196396
Adjacent sequences: A118270 A118271 A118272 * A118274 A118275 A118276
nonn,cons,easy
Eric W. Weisstein, Apr 21 2006
approved