Search: id:A016655
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%I A016655
%S A016655 3,4,6,5,7,3,5,9,0,2,7,9,9,7,2,6,5,4,7,0,8,6,1,6,0,6,0,7,2,9,0,8,8,
%T A016655 2,8,4,0,3,7,7,5,0,0,6,7,1,8,0,1,2,7,6,2,7,0,6,0,3,4,0,0,0,4,7,4,6,
%U A016655 6,9,6,8,1,0,9,8,4,8,4,7,3,5,7,8,0,2,9,3,1,6,6,3,4,9,8,2,0,9,3,4,3
%N A016655 Decimal expansion of ln(32).
%C A016655 Contribution from Eric Desbiaux (moongerms(AT)wanadoo.fr), Nov 26 2008: 
               (Start)
%C A016655 ln(32) = 10*ln(2)/2 = 5*ln(2) = 5*A002162
%C A016655 so 10*(1/2-1/4+1/6-1/8+1/10-1/2n...)=ln(32)
%C A016655 (End)
%D A016655 M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, 
               National Bureau of Standards Applied Math. Series 55, 1964 (and various 
               reprintings), p. 2.
%H A016655 Harry J. Smith, <a href="b016655.txt">Table of n, a(n) for n=1,...,20000</
               a>
%H A016655 M. Abramowitz and I. A. Stegun, eds., <a href="http://www.nrbook.com/
               abramowitz_and_stegun/">Handbook of Mathematical Functions</a>, National 
               Bureau of Standards, Applied Math. Series 55, Tenth Printing, 1972 
               [alternative scanned copy].
%e A016655 3.465735902799726547086160607290882840377500671801276270603400047466968... 
               [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), May 20 2009]
%o A016655 (PARI) { default(realprecision, 20080); x=log(32); for (n=1, 20000, d=floor(x); 
               x=(x-d)*10; write("b016655.txt", n, " ", d)); } [From Harry J. Smith 
               (hjsmithh(AT)sbcglobal.net), May 20 2009]
%Y A016655 Cf. A016460 Continued fraction. [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), 
               May 20 2009]
%Y A016655 Sequence in context: A047840 A037189 A083342 this_sequence A057757 A058838 
               A001177
%Y A016655 Adjacent sequences: A016652 A016653 A016654 this_sequence A016656 A016657 
               A016658
%K A016655 nonn,cons
%O A016655 1,1
%A A016655 N. J. A. Sloane (njas(AT)research.att.com).

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