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.

A183142 Beatty sequence for 2/(3+sqrt(3)).

Original entry on oeis.org

0, 0, 1, 1, 2, 2, 2, 3, 3, 4, 4, 5, 5, 5, 6, 6, 7, 7, 8, 8, 8, 9, 9, 10, 10, 10, 11, 11, 12, 12, 13, 13, 13, 14, 14, 15, 15, 16, 16, 16, 17, 17, 18, 18, 19, 19, 19, 20, 20, 21, 21, 21, 22, 22, 23, 23, 24, 24, 24, 25, 25, 26, 26, 27, 27, 27, 28, 28, 29, 29, 30
Offset: 1

Views

Author

Clark Kimberling, Dec 26 2010

Keywords

Comments

A097337 (B.s. for 1/sqrt(3)) + A183142 = A001477 (the nonnegative integers).

Crossrefs

Cf. A097337.

Programs

  • Mathematica
    With[{s=(3+Sqrt[3])/2},Floor[Range[100]/s]] (* Harvey P. Dale, Feb 15 2016 *)
  • PARI
    default(realprecision,100); s=(3+sqrt(3))/2; for(n=1,99,print1(floor(n/s),", "))

Formula

a(n) = floor(2*n/(3+sqrt(3))).

Extensions

Definition modified and offset changed to 1 by Georg Fischer, Jul 09 2021