OFFSET
0,1
COMMENTS
1/(1+sqrt(e)) is the value of x that maximizes the expression Pi^2/6 - log(x) - log(x)^2 - 2*Li_2(x), where Li_2 is the dilogarithm function.
LINKS
Steven R. Finch, Errata and Addenda to Mathematical Constants, p. 29.
Michael Lugo, The number of cycles of specified normalized length in permutations, arXiv:0909.2909 [math.CO]
EXAMPLE
0.37754066879814543536109943425449152124672063469108983694...
MATHEMATICA
RealDigits[1/(1 + Sqrt[E]), 10, 101] // First
PROG
(PARI) 1/(1+sqrt(exp(1))) \\ Michel Marcus, Sep 05 2014
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Jean-François Alcover, Sep 05 2014
STATUS
approved