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.

A201456 Least k such that (7^n + k)*7^n + 1 is a prime number.

Table of values

n a(n)
1 3
2 3
3 9
4 9
5 3
6 3
7 51
8 57
9 101
10 5
11 23
12 59
13 51
14 161
15 3
16 5
17 93
18 135
19 41
20 29
21 57
22 5
23 111
24 129
25 113
26 35
27 11
28 15
29 107
30 129
31 167
32 21
33 11
34 143
35 261
36 57
37 137
38 113
39 203
40 219
41 53
42 101
43 263
44 137
45 309
46 101
47 261
48 87
49 99
50 239
51 369
52 59
53 123
54 83
55 3
56 275
57 227
58 321
59 221
60 27
61 81
62 135
63 57
64 29
65 17
66 281
67 71
68 359
69 27
70 395
71 261
72 99
73 21
74 215
75 323
76 71
77 63
78 29

List of values

[3, 3, 9, 9, 3, 3, 51, 57, 101, 5, 23, 59, 51, 161, 3, 5, 93, 135, 41, 29, 57, 5, 111, 129, 113, 35, 11, 15, 107, 129, 167, 21, 11, 143, 261, 57, 137, 113, 203, 219, 53, 101, 263, 137, 309, 101, 261, 87, 99, 239, 369, 59, 123, 83, 3, 275, 227, 321, 221, 27, 81, 135, 57, 29, 17, 281, 71, 359, 27, 395, 261, 99, 21, 215, 323, 71, 63, 29]