%I A020759
%S A020759 1,9,6,3,5,1,0,0,2,6,0,2,1,4,2,3,4,7,9,4,4,0,9,7,6,3,3,2,9,9,8,7,5,5,5,
%T A020759 6,7,1,9,3,1,5,9,6,0,4,6,6,0,4,3,4,1,0,7,0,4,7,1,2,7,2,5,3,8,7,1,6,5,4,
%U A020759 9,7,0,7,1,7,0,5,4,1,0,2,1,4,8,6,7,3,7,1,7,2,8,4,5,8,4,1,2,4,5,9,8,6,3
%N A020759 Decimal expansion of (-1)*Gamma'(1/2)/Gamma(1/2) where Gamma(x) denotes 
               the Gamma function.
%C A020759 Decimal expansion of -psi(1/2) - Benoit Cloitre (benoit7848c(AT)orange.fr), 
               Mar 07 2004
%D A020759 S.J. Patterson, "An introduction to the theory of the Riemann zeta function", 
               Cambridge studies in advanced mathematics no. 14, p. 135
%F A020759 Gamma'(1/2)/Gamma(1/2)=-EulerGamma-2*log(2)=-1.9635100260214234794... 
               where EulerGamma is the Euler-Mascheroni constant (A001620)
%o A020759 (PARI) Euler+2*log(2)
%Y A020759 Sequence in context: A093540 A068925 A019683 this_sequence A099817 A010544 
               A094130
%Y A020759 Adjacent sequences: A020756 A020757 A020758 this_sequence A020760 A020761 
               A020762
%K A020759 cons,nonn
%O A020759 1,2
%A A020759 Benoit Cloitre (benoit7848c(AT)orange.fr), May 24 2003