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.

A269022 Primes p such that sigma(p)/pi(p) is prime.

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 29
6 349
7 359
8 3079
9 70115921
10 514274899
11 514277977
12 11091501632311

List of values

[2, 3, 5, 7, 29, 349, 359, 3079, 70115921, 514274899, 514277977, 11091501632311]