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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.

A267503 Primes p such that p-1 is squarefree and all prime divisors of p-1 other than 5 are also in the sequence.

Table of values

n a(n)
1 2
2 3
3 7
4 11
5 23
6 31
7 43
8 47
9 67
10 71
11 139
12 211
13 283
14 311
15 331
16 431
17 463
18 659
19 683
20 691
21 863
22 947
23 967
24 1291
25 1303
26 1319
27 1367
28 1427
29 1699
30 1867
31 1979
32 1987
33 2011
34 2111
35 2131
36 2311
37 2531
38 3011
39 3083
40 4099
41 4423
42 4643
43 4691
44 4831
45 5171
46 5179
47 5683
48 5839
49 6299
50 6911
51 7283
52 7591
53 8563
54 8863
55 9227
56 9871
57 9931
58 10343
59 10627
60 11887
61 11923
62 12911

List of values

[2, 3, 7, 11, 23, 31, 43, 47, 67, 71, 139, 211, 283, 311, 331, 431, 463, 659, 683, 691, 863, 947, 967, 1291, 1303, 1319, 1367, 1427, 1699, 1867, 1979, 1987, 2011, 2111, 2131, 2311, 2531, 3011, 3083, 4099, 4423, 4643, 4691, 4831, 5171, 5179, 5683, 5839, 6299, 6911, 7283, 7591, 8563, 8863, 9227, 9871, 9931, 10343, 10627, 11887, 11923, 12911]

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