OFFSET
1,2
LINKS
J. A. Fill, Ph. Flajolet and N. Kapur, Singularity analysis, Hadamard products and tree recurrences
FORMULA
-gamma-2*integral(t=0..1, ((t-2)*log(1-t)-2*t)*log(log(1/t))/t^3 ).
EXAMPLE
1.2035649167496103342...
MATHEMATICA
RealDigits[ -EulerGamma - 2*NIntegrate[((t - 2)*Log[1 - t] - 2*t)*(Log[Log[1/t]]/t^3), {t, 0, 1},
WorkingPrecision -> 170, MaxRecursion -> 20]][[1]][[;; 105]] (* Jean-François Alcover, Jun 30 2011 *)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Ralf Stephan, May 25 2004
EXTENSIONS
More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Nov 01 2006
STATUS
approved