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.

A237521 Numbers k such that phi(k) + sigma(k) = reversal(k) + 2.

Table of values

n a(n)
1 2
2 22605
3 26026
4 492775589

List of values

[2, 22605, 26026, 492775589]