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.

A217046 Primes that remain prime when a single "6" digit is inserted between any two adjacent decimal digits.

Table of values

n a(n)
1 13
2 17
3 23
4 29
5 37
6 41
7 43
8 47
9 53
10 59
11 61
12 71
13 79
14 83
15 97
16 101
17 109
18 113
19 137
20 157
21 163
22 167
23 263
24 277
25 293
26 307
27 313
28 317
29 331
30 397
31 421
32 443
33 457
34 463
35 569
36 607
37 653
38 659
39 661
40 673
41 691
42 739
43 769
44 787
45 809
46 823
47 829
48 863
49 881
50 977
51 997
52 1063
53 1087
54 1453

List of values

[13, 17, 23, 29, 37, 41, 43, 47, 53, 59, 61, 71, 79, 83, 97, 101, 109, 113, 137, 157, 163, 167, 263, 277, 293, 307, 313, 317, 331, 397, 421, 443, 457, 463, 569, 607, 653, 659, 661, 673, 691, 739, 769, 787, 809, 823, 829, 863, 881, 977, 997, 1063, 1087, 1453]

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

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