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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.

A306400 For the n-th prime p of the form 6k-1, a(n) is the first prime q for which (p+q^2-1, p+q^2+1) is a twin prime pair.

Table of values

n a(n)
1 5
2 7
3 5
4 7
5 11
6 23
7 5
8 7
9 7
10 11
11 5
12 7
13 7
14 11
15 5
16 7
17 701
18 7
19 5
20 5
21 7
22 7
23 41
24 11
25 7
26 19
27 13
28 5
29 7
30 31
31 17
32 13
33 11
34 31
35 41
36 13
37 31
38 7
39 29
40 11
41 37
42 13
43 53
44 11
45 19
46 19
47 11
48 13
49 23
50 37
51 7
52 41
53 23
54 7
55 29
56 5
57 71
58 5
59 13
60 29
61 13
62 13
63 59
64 97
65 11
66 37
67 17
68 7
69 7
70 5
71 7
72 157

List of values

[5, 7, 5, 7, 11, 23, 5, 7, 7, 11, 5, 7, 7, 11, 5, 7, 701, 7, 5, 5, 7, 7, 41, 11, 7, 19, 13, 5, 7, 31, 17, 13, 11, 31, 41, 13, 31, 7, 29, 11, 37, 13, 53, 11, 19, 19, 11, 13, 23, 37, 7, 41, 23, 7, 29, 5, 71, 5, 13, 29, 13, 13, 59, 97, 11, 37, 17, 7, 7, 5, 7, 157]

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

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