cp's OEIS Frontend

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.

A040461 Continued fraction for sqrt(483).

Original entry on oeis.org

21, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42
Offset: 0

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Author

Keywords

Programs

  • Maple
    with(numtheory): Digits := 300: convert(evalf(sqrt(483)),confrac);
  • Mathematica
    ContinuedFraction[Sqrt[483],90] (* Harvey P. Dale, Oct 22 2011 *)

Formula

a(n) = a(n-2) for n >= 3. - Wesley Ivan Hurt, Sep 03 2022
From Amiram Eldar, Dec 26 2023: (Start)
Multiplicative with a(2^e) = 42, and a(p^e) = 1 for an odd prime p.
Dirichlet g.f.: zeta(s) * (1 + 41/2^s). (End)