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.

A329516 Expansion of (x^4 - x^3 - 3*x^2 - 2*x - 1)/(x - 1).

Original entry on oeis.org

1, 3, 6, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6
Offset: 0

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Author

N. J. A. Sloane, Nov 25 2019

Keywords

Comments

Decimal expansion of 4103/30000. - Elmo R. Oliveira, May 06 2024

Crossrefs

Row n=1 in array in A329515.

Programs

  • Mathematica
    CoefficientList[Series[(x^4 - x^3 - 3*x^2 - 2*x - 1)/(x - 1), {x, 0, 120}], x] (* Wesley Ivan Hurt, Jun 26 2022 *)
    PadRight[{1,3,6,7},120,{6}] (* Harvey P. Dale, Dec 28 2023 *)

Formula

G.f.: (x^4 - x^3 - 3*x^2 - 2*x - 1)/(x - 1).
a(n) = 6 for n >= 4.