Search: id:A019432
Results 1-1 of 1 results found.

%I A019432
%S A019432 0,8,1,25,1,43,1,61,1,79,1,97,1,115,1,133,1,151,1,169,1,187,1,205,1,223,
%T A019432 1,241,1,259,1,277,1,295,1,313,1,331,1,349,1,367,1,385,1,403,1,421,1,439,
%U A019432 1,457,1,475,1,493,1,511,1,529,1,547,1,565,1,583,1,601,1,619,1,637,1,655
%N A019432 Continued fraction for tan(1/9).
%H A019432 Harry J. Smith, <a href="b019432.txt">Table of n, a(n) for n=0,...,20000</
               a>
%H A019432 G. Xiao, <a href="http://wims.unice.fr/~wims/en_tool~number~contfrac.en.html">
               Contfrac</a>
%e A019432 0.11157062783380058372650480... = 0 + 1/(8 + 1/(1 + 1/(25 + 1/(1 + ...)))) 
               [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 14 2009]
%o A019432 (PARI) { allocatemem(932245000); default(realprecision, 98000); x=contfrac(tan(1/
               9)); for (n=0, 20000, write("b019432.txt", n, " ", x[n+1])); } [From 
               Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 14 2009]
%Y A019432 Cf. A161018 Decimal expansion. [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), 
               Jun 14 2009]
%Y A019432 Sequence in context: A103884 A103883 A125235 this_sequence A138505 A002173 
               A050458
%Y A019432 Adjacent sequences: A019429 A019430 A019431 this_sequence A019433 A019434 
               A019435
%K A019432 nonn,cofr
%O A019432 0,2
%A A019432 David W. Wilson (davidwwilson(AT)comcast.net)

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