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.

A379639 Smallest primitive prime factor of 6^n-1.

Table of values

n a(n)
1 5
2 7
3 43
4 37
5 311
6 31
7 55987
8 1297
9 19
10 11
11 23
12 13
13 3433
14 29
15 1171
16 17
17 239
18 46441
19 191
20 241
21 1822428931
22 51828151
23 47
24 1678321
25 18198701
26 53
27 163
28 421
29 7369130657357778596659
30 1950271
31 5333
32 353
33 67
34 190537
35 71
36 73
37 149
38 1787
39 3143401
40 41
41 8648131
42 2527867231

List of values

[5, 7, 43, 37, 311, 31, 55987, 1297, 19, 11, 23, 13, 3433, 29, 1171, 17, 239, 46441, 191, 241, 1822428931, 51828151, 47, 1678321, 18198701, 53, 163, 421, 7369130657357778596659, 1950271, 5333, 353, 67, 190537, 71, 73, 149, 1787, 3143401, 41, 8648131, 2527867231]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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