The Hafner-Sarnak-McCurley Constant
from Ilan Vardi book : Computational Recreatiosn in Mathematica, p. 174
Addison Wesley, 1991.

0.35323637185499598454351655043268201128016477856669

for details see :
http://pauillac.inria.fr/algo/bsolve/hafner/hafner.html

or this article of Vardi and Flajolet :
P. Flajolet and I. Vardi, Zeta Function Expansions of Classical 
Constants, unpublished note (1996) available in postscript at the
Favorite math constant site.

































# This is the electronic signature for Plouffe's Inverter        #
# Ceci est la signature électronique pour l'Inverseur de Plouffe #
# Copyright : Simon Plouffe/Plouffe's Inverter (c) 1986.         #
# http://www.lacim.uqam.ca/pi                                    #