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.

A007480 a(n) = denominator of sum_{k=1..n} k^(-4).

Table of values

n a(n)
1 1
2 16
3 1296
4 20736
5 12960000
6 12960000
7 31116960000
8 497871360000
9 40327580160000
10 40327580160000
11 590436101122560000
12 590436101122560000
13 16863445484161436160000
14 16863445484161436160000
15 16863445484161436160000
16 269815127746582978560000

List of values

[1, 16, 1296, 20736, 12960000, 12960000, 31116960000, 497871360000, 40327580160000, 40327580160000, 590436101122560000, 590436101122560000, 16863445484161436160000, 16863445484161436160000, 16863445484161436160000, 269815127746582978560000]

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

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