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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.

A172104 Partial sums of A167021 where A167021(n)=1 iff 6*n+1 is prime.

Table of values

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

List of values

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

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