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.

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A262773 A Beatty sequence: a(n)=floor(q*n) where q=A231187.

Original entry on oeis.org

0, 2, 4, 6, 8, 11, 13, 15, 17, 20, 22, 24, 26, 29, 31, 33, 35, 38, 40, 42, 44, 47, 49, 51, 53, 56, 58, 60, 62, 65, 67, 69, 71, 74, 76, 78, 80, 83, 85, 87, 89, 92, 94, 96, 98, 101, 103, 105, 107, 110, 112, 114, 116, 119, 121, 123, 125, 128, 130, 132, 134, 137, 139
Offset: 0

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Author

Patrick D McLean, Sep 30 2015

Keywords

Comments

Beatty sequence of the longer diagonal (A231187) in a regular heptagon with sidelength 1.
Complement of Beatty sequence A262770 of the longer diagonal (A160389) in a regular heptagon with sidelength 1.

Links

Crossrefs

Complement of A262770.

Programs

  • Mathematica
    Table[Floor[n/(2 Cos[3 Pi/7])], {n, 0, 106}] (* Michael De Vlieger, Oct 05 2015 *)
  • Octave
    q=roots([1,-2,-1,1])(1); a(n)=floor(q*n)
  • PARI
    a(n) = floor(n/(2*cos(3*Pi/7))) \\ Michel Marcus, Oct 05 2015
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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