cp's OEIS Frontend

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.

A078576 Sum of distinct prime factors of the average of n-th twin prime pair.

Table of values

n a(n)
1 2
2 5
3 5
4 5
5 10
6 12
7 10
8 5
9 22
10 5
11 28
12 10
13 10
14 5
15 16
16 24
17 10
18 10
19 52
20 18
21 34
22 17
23 5
24 23
25 34
26 29
27 10
28 108
29 112
30 21
31 10
32 142
33 28
34 29
35 12
36 27
37 48
38 17
39 64
40 25
41 5
42 51
43 76
44 53
45 43
46 21
47 29
48 16
49 37
50 36
51 72
52 10
53 144
54 288
55 53
56 154
57 18
58 318
59 35
60 23
61 42
62 18
63 352
64 34
65 16
66 81
67 29
68 378
69 12

List of values

[2, 5, 5, 5, 10, 12, 10, 5, 22, 5, 28, 10, 10, 5, 16, 24, 10, 10, 52, 18, 34, 17, 5, 23, 34, 29, 10, 108, 112, 21, 10, 142, 28, 29, 12, 27, 48, 17, 64, 25, 5, 51, 76, 53, 43, 21, 29, 16, 37, 36, 72, 10, 144, 288, 53, 154, 18, 318, 35, 23, 42, 18, 352, 34, 16, 81, 29, 378, 12]

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

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