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.

A079543 Numbers k such that k has at least two distinct prime factors and if a prime p divides k then (p-1) | (k-1) and (p+1) | (k+1).

Table of values

n a(n)
1 74431
2 71528191
3 125780831
4 178708831
5 4150390625
6 68738591551
7 171739186591
8 429079903231
9 634061169071

List of values

[74431, 71528191, 125780831, 178708831, 4150390625, 68738591551, 171739186591, 429079903231, 634061169071]