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.

A201459 Least k such that (7^n - k)*7^n - 1 is a prime number.

Table of values

n a(n)
1 1
2 1
3 5
4 7
5 7
6 11
7 5
8 29
9 13
10 29
11 5
12 1
13 77
14 1
15 13
16 101
17 65
18 77
19 175
20 29
21 77
22 121
23 49
24 23
25 41
26 31
27 613
28 101
29 13
30 37
31 127
32 47
33 197
34 31
35 107
36 97
37 275
38 17
39 619
40 47
41 7
42 199
43 85
44 31
45 47
46 17
47 97
48 253
49 17
50 37
51 5
52 103
53 215
54 119
55 335
56 257
57 277
58 121
59 313
60 89
61 157
62 187
63 25
64 7
65 571
66 11
67 197
68 53
69 13
70 101
71 49
72 199
73 67
74 389
75 109
76 13
77 25
78 41
79 337
80 647
81 77

List of values

[1, 1, 5, 7, 7, 11, 5, 29, 13, 29, 5, 1, 77, 1, 13, 101, 65, 77, 175, 29, 77, 121, 49, 23, 41, 31, 613, 101, 13, 37, 127, 47, 197, 31, 107, 97, 275, 17, 619, 47, 7, 199, 85, 31, 47, 17, 97, 253, 17, 37, 5, 103, 215, 119, 335, 257, 277, 121, 313, 89, 157, 187, 25, 7, 571, 11, 197, 53, 13, 101, 49, 199, 67, 389, 109, 13, 25, 41, 337, 647, 77]