%I A100125
%S A100125 6,3,0,9,2,0,5,5,9,2,5,5,1,8,5,8,6,4,7,7,8,3,2,4,0,0,3,9,0,7,9,4,3,3,7,
%T A100125 0,0,9,2,1,5,1,4,2,9,9,2,1,7,8,7,9,8,6,8,0,6,4,4,4,2,4,8,9,9,9,8,9,8,0,
%U A100125 8,1,0,7,8,3,8,1,7,7,3,4,7,3,8,8,2,0,0,1,9,2,0,6,4,4,4,5,2,1
%N A100125 Decimal expansion of sum_{n>0} n/(2^(n^2)).
%H A100125 David H. Bailey and Richard E. Crandall <a href="http://crd.lbl.gov/~dhbailey/
               dhbpapers/bcnormal.pdf">Random Generators and Normal Numbers</a>, 
               page 27.
%e A100125 0.6309205592551858647783240039079433700921514299217879868064442489998980810783817734738820019206444521...
%o A100125 (PARI) default(realprecision,100):sum(n=1,100,n/(2^(n^2)),0.)
%Y A100125 Sequence in context: A100251 A020339 A154738 this_sequence A153459 A102525 
               A119923
%Y A100125 Adjacent sequences: A100122 A100123 A100124 this_sequence A100126 A100127 
               A100128
%K A100125 cons,nonn
%O A100125 1,1
%A A100125 Mark Hudson (mrmarkhudson(AT)hotmail.com), Nov 11 2004