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.

A181479 a(n) has generating function 1/((1-x)^k*(1-x^2)^(k*(k-1)/2)) for k=7.

Original entry on oeis.org

1, 7, 49, 231, 1029, 3843, 13573, 43219, 131131, 370909, 1007083, 2596573, 6466159, 15465961, 35906959, 80682553, 176682268, 376497604, 784435036, 1596836164, 3186750028, 6232957588, 11978020684, 22615355476, 42031123204, 76900938268, 138714560068, 246728568604
Offset: 0

Views

Author

Wouter Meeussen, Oct 24 2010

Keywords

Crossrefs

Cf. A181477.
Column k=7 of A210391. - Alois P. Heinz, Mar 22 2012

Programs

  • Mathematica
    CoefficientList[Series[1/(1-x)^7/(1-x^2)^21,{x,0,30}],x]