OFFSET
0,1
LINKS
Robert Shrock and F. Y. Wu, Spanning Trees on Graphs and Lattices in d Dimensions p. 7.
FORMULA
(1/2)*(log(2) + log(3) + H), where H is the auxiliary constant A242967.
EXAMPLE
0.8076648680486262852340912768095159851806046019514675403271711759...
MATHEMATICA
H = Sqrt[3]/(6*Pi)*PolyGamma[1, 1/6] - Pi/Sqrt[3] - Log[6]; RealDigits[(1/2)*(Log[2] + Log[3] + H), 10, 103] // First
CROSSREFS
KEYWORD
AUTHOR
Jean-François Alcover, Jul 31 2014
STATUS
approved