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.

A340715 Least positive number k such that sigma(k+1) = n * sigma(k).

Table of values

n a(n)
1 14
2 5
3 1
4 37033919
5 14182439039

List of values

[14, 5, 1, 37033919, 14182439039]