Search: id:A040397
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%I A040397
%S A040397 20,2,4,20,4,2,40,2,4,20,4,2,40,2,4,20,4,2,40,2,4,20,4,2,40,2,4,
%T A040397 20,4,2,40,2,4,20,4,2,40,2,4,20,4,2,40,2,4,20,4,2,40,2,4,20,4,2,
%U A040397 40,2,4,20,4,2,40,2,4,20,4,2,40,2,4,20,4,2,40,2,4,20,4,2,40,2,4
%N A040397 Continued fraction for sqrt(418).
%H A040397 <a href="Sindx_Con.html#confC">Index entries for continued fractions 
               for constants</a>
%F A040397 a(n)=(1/15)*{-83*(n mod 6)+17*[(n+1) mod 6]+52*[(n+2) mod 6]-28*[(n+3) 
               mod 6]+7*[(n+4) mod 6]+107*[(n+5) mod 6]}-20*[C(2*n,n) mod 2], with 
               n>=0 [From Paolo P. Lava (ppl(AT)spl.at), Apr 30 2009]
%p A040397 with(numtheory): Digits := 300: convert(evalf(sqrt(418)),confrac);
%Y A040397 Sequence in context: A040393 A040396 A037926 this_sequence A040398 A040399 
               A040390
%Y A040397 Adjacent sequences: A040394 A040395 A040396 this_sequence A040398 A040399 
               A040400
%K A040397 nonn,cofr,easy
%O A040397 0,1
%A A040397 N. J. A. Sloane (njas(AT)research.att.com).

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