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.

A164087 Beatty sequence for 4*Pi/(4*Pi-3) = 1.3135986... .

Original entry on oeis.org

1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15, 17, 18, 19, 21, 22, 23, 24, 26, 27, 28, 30, 31, 32, 34, 35, 36, 38, 39, 40, 42, 43, 44, 45, 47, 48, 49, 51, 52, 53, 55, 56, 57, 59, 60, 61, 63, 64, 65, 66, 68, 69, 70, 72, 73, 74, 76, 77, 78, 80, 81, 82, 84, 85, 86, 88, 89, 90, 91, 93, 94
Offset: 1

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Author

Reinhard Zumkeller, Aug 11 2009

Keywords

Comments

a(n) = A109237(n) for n <= 66;
complement of A164086;
a(n) = A164088(A164086(n)) and A164088(a(n)) = A164086(n).

Crossrefs

Programs

  • Mathematica
    Floor[4 Range[100]*Pi/(4*Pi - 3)] (* Wesley Ivan Hurt, Apr 25 2023 *)

Formula

a(n) = floor(4*n*Pi/(4*Pi-3)).