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.

A144847 Denominators of triangle T(n,k), n>=0, 0<=k<=n, read by rows: T(n,k) is the coefficient of x^(2k+1) in polynomial u_n(x), used to approximate x->sin(Pi*x)/Pi.

Original entry on oeis.org

1, 2, 2, 8, 4, 8, 88, 22, 88, 44, 2048, 64, 1024, 256, 2048, 78656, 4916, 19664, 39328, 78656, 39328, 4439936, 34687, 277496, 1109984, 4439936, 1109984, 2219968, 344674688, 2692771, 21542168, 43084336, 344674688, 86168672, 172337344
Offset: 0

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Author

Alois P. Heinz, Sep 22 2008

Keywords

Crossrefs

See A144846 for more information on T(n,k).

Programs

  • Maple
    seq(seq(denom(T(n,k)), k=0..n), n=0..9);