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.

A242205 Numbers n such that n*5^n+1 is semiprime.

Table of values

n a(n)
1 1
2 2
3 4
4 16
5 21
6 40
7 76
8 113
9 153
10 288

List of values

[1, 2, 4, 16, 21, 40, 76, 113, 153, 288]