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.

A032669 Digit '6' concatenated with n is a prime.

Table of values

n a(n)
1 1
2 7
3 13
4 17
5 19
6 31
7 41
8 43
9 47
10 53
11 59
12 61
13 73
14 77
15 83
16 91
17 101
18 113
19 121
20 131
21 133
22 143
23 151
24 163
25 173
26 197
27 199
28 203
29 211
30 217
31 221
32 229
33 247
34 257
35 263
36 269
37 271
38 277
39 287
40 299
41 301
42 311
43 317
44 323
45 329
46 337
47 343
48 353
49 359
50 361
51 367
52 373
53 379

List of values

[1, 7, 13, 17, 19, 31, 41, 43, 47, 53, 59, 61, 73, 77, 83, 91, 101, 113, 121, 131, 133, 143, 151, 163, 173, 197, 199, 203, 211, 217, 221, 229, 247, 257, 263, 269, 271, 277, 287, 299, 301, 311, 317, 323, 329, 337, 343, 353, 359, 361, 367, 373, 379]