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.

A227977 Numbers n for which n = sigma*(x) = sigma*(y), where n = x + y and sigma*(n) is the sum of the anti-divisors of n.

Table of values

n a(n)
1 154
2 3136
3 5536
4 20066
5 136036
6 9550080
7 78011830

List of values

[154, 3136, 5536, 20066, 136036, 9550080, 78011830]