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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.

A177164 a(n) = (n^r - 1)/r^2, where r = (n^(n-1) - 1)/(n-1).

Table of values

n a(n)
2 1
3 5
4 9972894583
5 449853889404077636694265177903207995382439448590987815041588427345865911961016023550064137351211162870609

List of values

[1, 5, 9972894583, 449853889404077636694265177903207995382439448590987815041588427345865911961016023550064137351211162870609]

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

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