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.

A032666 Digit '3' concatenated with a(n) is a prime.

Table of values

n a(n)
1 1
2 7
3 11
4 13
5 17
6 31
7 37
8 47
9 49
10 53
11 59
12 67
13 73
14 79
15 83
16 89
17 97
18 109
19 119
20 121
21 137
22 163
23 167
24 169
25 181
26 187
27 191
28 203
29 209
30 217
31 221
32 229
33 251
34 253
35 257
36 259
37 271
38 299
39 301
40 307
41 313
42 319
43 323
44 329
45 331
46 343
47 347
48 359
49 361
50 371
51 373
52 389
53 391

List of values

[1, 7, 11, 13, 17, 31, 37, 47, 49, 53, 59, 67, 73, 79, 83, 89, 97, 109, 119, 121, 137, 163, 167, 169, 181, 187, 191, 203, 209, 217, 221, 229, 251, 253, 257, 259, 271, 299, 301, 307, 313, 319, 323, 329, 331, 343, 347, 359, 361, 371, 373, 389, 391]