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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.

A380139 Prime gaps between 10^m and 10^(m+1), m>=0, sorted first by falling number of occurrences and then by rising gap size, written as an irregular triangle.

Table of values

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

List of values

[2, 1, 4, 4, 6, 2, 8, 6, 4, 2, 10, 8, 12, 14, 18, 20, 6, 2, 4, 10, 12, 8, 14, 18, 16, 22, 24, 20, 30, 28, 26, 34, 32, 36, 6, 2, 4, 12, 10, 8, 18, 14, 16, 20, 22, 24, 30, 28, 26, 36, 32, 34, 40, 38, 42, 52, 44, 50, 46, 54, 58, 48, 56, 60, 62, 64, 72]

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

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