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.

A236119 Primes p with prime(p) - p - 1 and prime(p) - p + 1 both prime.

Table of values

n a(n)
1 5
2 17
3 23
4 41
5 71
6 83
7 173
8 293
9 337
10 353
11 563
12 571
13 719
14 811
15 911
16 953
17 1201
18 1483
19 1579
20 1877
21 2081
22 2089
23 2309
24 2579
25 2749
26 2803
27 3329
28 3343
29 3511
30 3691
31 3779
32 3851
33 3881
34 3907
35 4021
36 4049
37 4093
38 4657
39 4813
40 5051
41 5179
42 5333
43 5519
44 5591
45 6053
46 6547
47 6841
48 7151
49 7723
50 8209

List of values

[5, 17, 23, 41, 71, 83, 173, 293, 337, 353, 563, 571, 719, 811, 911, 953, 1201, 1483, 1579, 1877, 2081, 2089, 2309, 2579, 2749, 2803, 3329, 3343, 3511, 3691, 3779, 3851, 3881, 3907, 4021, 4049, 4093, 4657, 4813, 5051, 5179, 5333, 5519, 5591, 6053, 6547, 6841, 7151, 7723, 8209]