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.

A347430 Simple continued fraction expansion of Pi^(3/2)/Gamma(3/4)^2.

Original entry on oeis.org

3, 1, 2, 2, 2, 1, 8, 1, 2, 1, 2, 9, 8, 6, 56, 5, 38, 1, 2, 1, 5, 1, 5, 1, 2, 10, 3, 10, 741, 1, 5, 3, 3, 1, 5, 2, 3, 1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 7, 2, 3, 3, 4, 4, 1, 11, 1, 2, 1, 1, 1, 1, 1, 5, 1, 64, 1, 1, 2, 7, 1, 5, 98, 2, 2, 2, 1, 1, 1, 1, 1, 5, 1, 3, 1
Offset: 0

Views

Author

Adam Filinovich, Sep 01 2021

Keywords

Examples

			3+1/(1+1/(2+1/(2+1/(2+...)))).
		

Crossrefs

Cf. A175576 for decimal expansion.

Programs

  • Maple
    convert(8*GAMMA(5/4)^2/sqrt(Pi), confrac, 84); # Peter Luschny, Sep 02 2021
  • Mathematica
    ContinuedFraction[Pi^(3/2)/Gamma[3/4]^2, 84] (* Michael De Vlieger, Sep 01 2021 *)
  • PARI
    contfrac(Pi^1.5/gamma(3/4)^2) \\ Michel Marcus, Sep 02 2021

Formula

Equals sqrt(2)*Pi/agm(1,sqrt(2)) (arithmetic-geometric mean).
Equals 8*Gamma(5/4)^2/sqrt(Pi). - Peter Luschny, Sep 02 2021