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.

Showing 1-2 of 2 results.

A352675 Beatty sequence for (3/13)(4+sqrt(3)).

Original entry on oeis.org

1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15, 17, 18, 19, 21, 22, 23, 25, 26, 27, 29, 30, 31, 33, 34, 35, 37, 38, 39, 41, 42, 43, 44, 46, 47, 48, 50, 51, 52, 54, 55, 56, 58, 59, 60, 62, 63, 64, 66, 67, 68, 70, 71, 72, 74, 75, 76, 78, 79, 80, 82, 83, 84, 85, 87
Offset: 1

Views

Author

Clark Kimberling, Mar 26 2022

Keywords

Crossrefs

Cf. A352673, A352674 (complement)

Programs

  • Mathematica
    z = 200; r = (3/2) (1 + Sqrt[3]); s = r/(r - 1);
    Table[Floor[n r], {n, 1, z}]    (* A352674 *)
    Table[Floor[n s], {n, 1, z}]    (* A352675 *)

Formula

a(n) = floor((3/13)*(4+sqrt(3))*n).

A352672 Decimal expansion of r = (3/2)*(1+sqrt(3)).

Original entry on oeis.org

4, 0, 9, 8, 0, 7, 6, 2, 1, 1, 3, 5, 3, 3, 1, 5, 9, 4, 0, 2, 9, 1, 1, 6, 9, 5, 1, 2, 2, 5, 8, 8, 0, 8, 5, 5, 0, 4, 1, 4, 2, 0, 7, 8, 8, 0, 7, 1, 5, 5, 7, 0, 9, 4, 2, 0, 8, 3, 7, 1, 0, 4, 6, 9, 1, 7, 7, 8, 9, 9, 5, 2, 5, 3, 6, 3, 2, 0, 0, 0, 5, 5, 6, 2, 1, 7
Offset: 1

Views

Author

Clark Kimberling, Mar 26 2022

Keywords

Examples

			4.098076211353315940291169512258808550414...
		

Crossrefs

Apart from leading digits the same as A176325 and A104956.

Programs

  • Mathematica
    r = N[(3/2) (1 + Sqrt[3]), 200]
    RealDigits[r][[1]]

Formula

Equals A104956 + 3/2. - Michel Marcus, Mar 28 2022
Equals (3/2) * A090388. - Bernard Schott, Mar 28 2022
Showing 1-2 of 2 results.