This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A010166 #25 Nov 15 2023 01:15:48 %S A010166 9,1,2,1,18,1,2,1,18,1,2,1,18,1,2,1,18,1,2,1,18,1,2,1,18,1,2,1,18,1,2, %T A010166 1,18,1,2,1,18,1,2,1,18,1,2,1,18,1,2,1,18,1,2,1,18,1,2,1,18,1,2,1,18, %U A010166 1,2,1,18,1,2,1,18,1,2,1,18 %N A010166 Continued fraction for sqrt(95). %H A010166 Harry J. Smith, <a href="/A010166/b010166.txt">Table of n, a(n) for n = 0..20000</a> %H A010166 G. Xiao, <a href="http://wims.unice.fr/~wims/en_tool~number~contfrac.en.html">Contfrac</a>. %H A010166 <a href="/index/Con#confC">Index entries for continued fractions for constants</a>. %H A010166 <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (0,0,0,1). %F A010166 From _Amiram Eldar_, Nov 14 2023: (Start) %F A010166 Multiplicative with a(2) = 2, a(2^e) = 18 for e >= 2, and a(p^e) = 1 for an odd prime p. %F A010166 Dirichlet g.f.: zeta(s) * (1 + 1/2^s + 1/4^(s-2)). (End) %e A010166 9.74679434480896390683841319... = 9 + 1/(1 + 1/(2 + 1/(1 + 1/(18 + ...)))). - _Harry J. Smith_, Jun 11 2009 %t A010166 ContinuedFraction[Sqrt[95],300] (* _Vladimir Joseph Stephan Orlovsky_, Mar 10 2011 *) %o A010166 (PARI) { allocatemem(932245000); default(realprecision, 20000); x=contfrac(sqrt(95)); for (n=0, 20000, write("b010166.txt", n, " ", x[n+1])); } \\ _Harry J. Smith_, Jun 11 2009 %Y A010166 Cf. A010546 (decimal expansion). %K A010166 nonn,cofr,easy,mult %O A010166 0,1 %A A010166 _N. J. A. Sloane_