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.

A098538 Expansion of 1/((1-x)^3 - 18*x^4)^(1/3).

Original entry on oeis.org

1, 1, 1, 1, 7, 25, 61, 121, 283, 841, 2521, 6769, 17119, 44665, 123685, 347497, 954787, 2578297, 7001617, 19307089, 53601175, 148305817, 408681997, 1127558041, 3124344427, 8681565865, 24127128841, 67020060721, 186282015823
Offset: 0

Views

Author

Paul Barry, Sep 13 2004

Keywords

Comments

Binomial transform of A098537.

Crossrefs

Cf. A098536.

Programs

  • Magma
    Q:=Rationals(); R:=PowerSeriesRing(Q,30); Coefficients(R!(1/((1-x)^3-18*x^4)^(1/3))); // G. C. Greubel, Jan 17 2018
  • Mathematica
    CoefficientList[Series[1/((1-x)^3-18*x^4)^(1/3), {x,0,50}], x] (* G. C. Greubel, Jan 17 2018 *)
  • PARI
    x='x+O('x^30); Vec(1/((1-x)^3-18*x^4)^(1/3)) \\ G. C. Greubel, Jan 17 2018