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.

A069714 Least integer k such that (sigma(k)-k)/(k-phi(k)) = n.

Table of values

n a(n)
1 2
2 12
3 1320
4 851760

List of values

[2, 12, 1320, 851760]