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.

A190288 Continued fraction of (5+sqrt(25+4r))/2, where r=sqrt(5).

Original entry on oeis.org

5, 2, 2, 2, 1, 1, 1, 10, 1, 1, 2, 1, 2, 1, 7, 1, 1, 1, 3, 1, 3, 1, 1, 2, 11, 22, 1, 1, 3, 3, 7, 1, 1, 1, 5, 1, 181, 1, 2, 2, 1, 2, 3, 17, 83, 1, 3, 2, 1, 14, 3, 1, 44, 3, 6, 4, 4, 1, 28, 1, 1, 1, 2, 1, 2, 1, 15, 1, 55, 1, 1, 3, 16, 3, 2, 1, 1, 1, 2, 1, 1, 2, 8, 4, 1, 1, 1, 1, 1, 1, 38
Offset: 0

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Author

Clark Kimberling, May 07 2011

Keywords

Comments

Equivalent to the periodic continued fraction [5, r, 5, r, ...] where r=sqrt(5). For geometric interpretations of both continued fractions, see A190287 and A188635.

Crossrefs

Programs

  • Mathematica
    ContinuedFraction[(5+Sqrt[25+4Sqrt[5]])/2,120] (* Harvey P. Dale, Jun 22 2022 *)

Extensions

Offset changed by Andrew Howroyd, Jul 03 2024