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.

A173243 G.f. (x + 1)^10/(x^10 + x^9 - x^7 - x^6 - x^5 - x^4 - x^3 + x + 1).

Original entry on oeis.org

1, 9, 36, 85, 135, 163, 178, 208, 265, 341, 419, 485, 549, 642, 778, 940, 1110, 1290, 1498, 1761, 2095, 2487, 2921, 3413, 4000, 4712, 5565, 6563, 7711, 9044, 10627, 12516, 14745, 17352, 20397, 23969, 28187, 33176, 39048, 45931, 54007, 63509
Offset: 0

Views

Author

Roger L. Bagula, Feb 13 2010

Keywords

Comments

Limiting ratio is a(n+1)/a(n)->1.1762808182599176..

Crossrefs

Programs

  • Mathematica
    p[x_] = (x + 1)^10/(x^10 + x^9 - x^7 - x^6 - x^5 - x^4 - x^3 + x + 1);
    a = Table[SeriesCoefficient[ Series[p[x], {x, 0, 50}], n], {n, 0, 50}]
    LinearRecurrence[{-1,0,1,1,1,1,1,0,-1,-1},{1,9,36,85,135,163,178,208,265,341,419},50] (* Harvey P. Dale, Sep 04 2021 *)

Extensions

Removed unused variables - The Assoc. Editors of the OEIS, Feb 24 2010