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.

A068589 Denominator(Sum_{i=1..n} 1/i^3)/denominator(Sum_{i=1..n} 1/i).

Table of values

n a(n)
1 1
2 4
3 36
4 144
5 3600
6 1200
7 58800
8 235200
9 6350400
10 6350400
11 768398400
12 768398400
13 129859329600
14 129859329600
15 129859329600
16 519437318400
17 150117385017600
18 50039128339200
19 18064125330451200
20 18064125330451200
21 54192375991353600

List of values

[1, 4, 36, 144, 3600, 1200, 58800, 235200, 6350400, 6350400, 768398400, 768398400, 129859329600, 129859329600, 129859329600, 519437318400, 150117385017600, 50039128339200, 18064125330451200, 18064125330451200, 54192375991353600]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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