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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.

A377540 Numbers k such that at least one of the numbers 6k-1 or 6k+1 is prime.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 10
11 11
12 12
13 13
14 14
15 15
16 16
17 17
18 18
19 19
20 21
21 22
22 23
23 25
24 26
25 27
26 28
27 29
28 30
29 32
30 33
31 35
32 37
33 38
34 39
35 40
36 42
37 43
38 44
39 45
40 46
41 47
42 49
43 51
44 52
45 53
46 55
47 56
48 58
49 59
50 60
51 61
52 62
53 63
54 64
55 65
56 66
57 67
58 68
59 70
60 72
61 73
62 74
63 75
64 76
65 77
66 78
67 80
68 81
69 82
70 83
71 84
72 85
73 87

List of values

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 23, 25, 26, 27, 28, 29, 30, 32, 33, 35, 37, 38, 39, 40, 42, 43, 44, 45, 46, 47, 49, 51, 52, 53, 55, 56, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 70, 72, 73, 74, 75, 76, 77, 78, 80, 81, 82, 83, 84, 85, 87]

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

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