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.

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A099206 Expansion of x^2*(2*x^11+2*x^9+2*x^8+x^7+2*x^6+x^5+x^4+x^3-x^2-x-1) / (x^9+x^6+2*x^3-1).

Original entry on oeis.org

0, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 6, 2, 6, 15, 6, 15, 38, 15, 38, 97, 38, 97, 247, 97, 247, 629, 247, 629, 1602, 629, 1602, 4080, 1602, 4080, 10391, 4080, 10391, 26464, 10391, 26464, 67399, 26464, 67399, 171653, 67399, 171653, 437169, 171653, 437169
Offset: 1

Views

Author

Roger L. Bagula, Mar 19 2005

Keywords

Comments

Variant of three copies of A109545. - R. J. Mathar, Jul 10 2012

Programs

  • Mathematica
    CoefficientList[Series[x^2*(2*x^11 + 2*x^9 + 2*x^8 + x^7 + 2*x^6 + x^5 + x^4 + x^3 - x^2 - x - 1)/(x^9 + x^6 + 2*x^3 - 1), {x, 0, 100}], x]

Extensions

Better name from Colin Barker, Dec 26 2012
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