OFFSET
0,2
REFERENCES
Steven R. Finch, Mathematical Constants, Cambridge University Press, 2003, Section 5.24 Lieb's square ice constant, p. 415.
LINKS
Eric Weisstein's MathWorld, Baxter's Four-Coloring Constant.
FORMULA
(1/2)*log(A224273).
EXAMPLE
0.1895600483163599659177242011169696602042850762146366815851796...
MATHEMATICA
RealDigits[(1/2)*Log[(3*Gamma[1/3]^3)/(4*Pi^2)], 10, 104] // First
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Jean-François Alcover, Aug 01 2014
STATUS
approved