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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.

A172103 Partial sums of A167020 where A167020(n)=1 iff 6*n-1 is prime.

Table of values

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

List of values

[1, 2, 3, 4, 5, 5, 6, 7, 8, 9, 9, 10, 10, 11, 12, 12, 13, 14, 15, 15, 15, 16, 17, 17, 18, 18, 18, 19, 20, 21, 21, 22, 23, 23, 23, 23, 23, 24, 25, 26, 26, 27, 28, 29, 30, 30, 31, 31, 32, 32, 32, 33, 34, 34, 34, 34, 34, 35, 36, 37, 37, 37, 37, 38, 39, 39, 40, 40, 40, 41, 41, 42, 42]

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