%I A060196
%S A060196 1,4,1,0,6,8,6,1,3,4,6,4,2,4,4,7,9,9,7,6,9,0,8,2,4,7,1,1,4,1,9,1,1,5,0,
%T A060196 4,1,3,2,3,4,7,8,6,2,5,6,2,5,1,9,2,1,9,7,7,2,4,6,3,9,4,6,8,1,6,4,7,8,1,
%U A060196 7,9,8,4,9,0,3,9,7,9,2,7,1,1,5,4,0,9,2,2,4,7,7,8,6,1,1,6,4,0,1,4,7,2,8
%N A060196 Decimal expansion of 1 + 1/(1*3) + 1/(1*3*5) + 1/(1*3*5*7) + ...
%H A060196 Harry J. Smith, <a href="b060196.txt">Table of n, a(n) for n=1,...,20000</
               a>
%F A060196 sqrt(e*pi/2)*erf(1/sqrt(2)), or 2^(-1/2)*exp(1/2)*sqrt(pi)*(1 - erfc(1/
               sqrt(2)) - Michael Kleber (michael.kleber(AT)gmail.com), Mar 21, 
               2001
%e A060196 1.410686134642447997690824711419115041323478...
%o A060196 (PARI) { default(realprecision, 20080); x=2^(-1/2)*exp(1/2)*sqrt(Pi)*(1 
               - erfc(1/sqrt(2))); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b060196.txt", 
               n, " ", d)); } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), 
               Jul 02 2009]
%Y A060196 Sequence in context: A117377 A046784 A011349 this_sequence A119305 A062175 
               A085659
%Y A060196 Adjacent sequences: A060193 A060194 A060195 this_sequence A060197 A060198 
               A060199
%K A060196 nonn,cons
%O A060196 1,2
%A A060196 Evan Michael Adams (evan(AT)tampabay.rr.com), simon.plouffe(AT)sympatico.ca, 
               Mar 21 2001
%E A060196 More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Mar 27 2001