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.

A157341 Least number k such that 6*k^n-1 is prime, with k>1 when n>1.

Table of values

n a(n)
1 1
2 2
3 2
4 10
5 2
6 2
7 3
8 20
9 22
10 2
11 3
12 220
13 9
14 8
15 30
16 120
17 2
18 7
19 3
20 45
21 4
22 3
23 10
24 125
25 8
26 3
27 4
28 5
29 77
30 108
31 8
32 30
33 2
34 3
35 35
36 15
37 2
38 35
39 53
40 10
41 32
42 2
43 32
44 50
45 37
46 12
47 17
48 215
49 73
50 45
51 4
52 55
53 43
54 2
55 3
56 715
57 42
58 70
59 33
60 160
61 3
62 90
63 2
64 745
65 5
66 38
67 3
68 40
69 7
70 295
71 4
72 5
73 10
74 70
75 2
76 90
77 138
78 32
79 60

List of values

[1, 2, 2, 10, 2, 2, 3, 20, 22, 2, 3, 220, 9, 8, 30, 120, 2, 7, 3, 45, 4, 3, 10, 125, 8, 3, 4, 5, 77, 108, 8, 30, 2, 3, 35, 15, 2, 35, 53, 10, 32, 2, 32, 50, 37, 12, 17, 215, 73, 45, 4, 55, 43, 2, 3, 715, 42, 70, 33, 160, 3, 90, 2, 745, 5, 38, 3, 40, 7, 295, 4, 5, 10, 70, 2, 90, 138, 32, 60]

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

Content is available under The OEIS End-User License Agreement.