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.

A049011 Composite numbers k such that number of composite d with 3 < d < k, gcd(k, d) = 1, is pi(k).

Table of values

n a(n)
1 27
2 286
3 370
4 520
5 550
6 1332
7 13530
8 38220

List of values

[27, 286, 370, 520, 550, 1332, 13530, 38220]