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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.

A075706 Safe primes (A005385) (p and (p-1)/2 are primes) such that 8*p+1 (A023228) is also prime.

Table of values

n a(n)
1 5
2 11
3 107
4 179
5 347
6 479
7 1187
8 1307
9 1367
10 1487
11 1619
12 2027
13 2207
14 2447
15 2999
16 3119
17 3467
18 4007
19 4079
20 4139
21 4799
22 5087
23 5807
24 5927
25 5939
26 6827
27 7079
28 7247
29 8699
30 9587
31 9839
32 10607
33 12107
34 12539
35 12659
36 14207
37 15299
38 16139
39 16187
40 17027

List of values

[5, 11, 107, 179, 347, 479, 1187, 1307, 1367, 1487, 1619, 2027, 2207, 2447, 2999, 3119, 3467, 4007, 4079, 4139, 4799, 5087, 5807, 5927, 5939, 6827, 7079, 7247, 8699, 9587, 9839, 10607, 12107, 12539, 12659, 14207, 15299, 16139, 16187, 17027]

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

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