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.

A188723 Continued fraction of (Pi + sqrt(4 + Pi^2))/2.

Original entry on oeis.org

3, 2, 3, 4, 2, 3, 1, 1, 105, 1, 2, 1, 13, 5, 16, 1, 44, 1, 1, 4, 2, 1, 2, 3, 100, 4, 1, 1, 18, 4, 2, 2, 2, 8, 2, 5, 2, 2, 3, 7, 184, 1, 8, 6, 2, 6, 2, 1, 5, 1, 38, 1, 2, 1, 1, 1, 4, 2, 6, 2, 1, 1, 1, 1, 2, 3, 1, 1, 1, 1, 2, 1, 2, 3, 8, 1, 1, 2, 1, 3, 1, 2, 1, 10, 1, 6, 1, 3, 1, 1, 1, 1, 2, 2, 1, 7, 1, 11, 1, 6, 1, 2, 13, 35, 1, 5, 2, 2, 1, 1, 2, 8, 2, 6, 2, 3, 1, 1, 2, 5
Offset: 0

Views

Author

Clark Kimberling, Apr 09 2011

Keywords

Comments

Continued fraction of the constant in A188722.

Crossrefs

Cf. A000796, A188640, A188722 (decimal expansion).

Programs

  • Maple
    Digits := 100 ;
    (Pi+sqrt(4+Pi^2))/2 ;
    evalf(%) ;
    numtheory[cfrac](%,40,'quotients') ; # R. J. Mathar, Apr 11 2011
  • Mathematica
    r = Pi; t = (r + (4 + r^2)^(1/2))/2; FullSimplify[t]
    N[t, 130]
    RealDigits[N[t, 130]][[1]]
    ContinuedFraction[t, 120]

Extensions

Offset changed by Andrew Howroyd, Jul 07 2024