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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.

A205677 Numbers k for which 4 divides prime(k)-prime(j) for some j each k occurs once for each such j.

Table of values

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

List of values

[4, 5, 5, 6, 7, 7, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 11, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19]

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