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.

A347821 Smallest prime p such that n*p+1 is a perfect power, or 0 if no such p exists.

Table of values

n a(n)
1 3
2 13
3 5
4 2
5 3
6 2801
7 5
8 3
9 7
10 50544702849929377
11 13
12 2
13 2
14 241
15 13
16 3
17 19
18 19
19 17
20 463
21 3
22 11
23 89
24 2
25 23
26 757
27 29
28 732541
29 31
30 917087137
31 29
32 7
33 3

List of values

[3, 13, 5, 2, 3, 2801, 5, 3, 7, 50544702849929377, 13, 2, 2, 241, 13, 3, 19, 19, 17, 463, 3, 11, 89, 2, 23, 757, 29, 732541, 31, 917087137, 29, 7, 3]