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.

A074477 Largest prime factor of 3^n - 1.

Table of values

n a(n)
1 2
2 2
3 13
4 5
5 11
6 13
7 1093
8 41
9 757
10 61
11 3851
12 73
13 797161
14 1093
15 4561
16 193
17 34511
18 757
19 363889
20 1181
21 368089
22 3851
23 1001523179
24 6481
25 391151
26 797161
27 8209
28 16493
29 20381027
30 4561
31 4404047
32 21523361
33 2413941289
34 34511
35 2664097031
36 530713

List of values

[2, 2, 13, 5, 11, 13, 1093, 41, 757, 61, 3851, 73, 797161, 1093, 4561, 193, 34511, 757, 363889, 1181, 368089, 3851, 1001523179, 6481, 391151, 797161, 8209, 16493, 20381027, 4561, 4404047, 21523361, 2413941289, 34511, 2664097031, 530713]