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.

A039697 a(n) = Sum(p_j) * Sum(k_j) where n = Product(p_j^k_j).

Table of values

n a(n)
1 0
2 2
3 3
4 4
5 5
6 10
7 7
8 6
9 6
10 14
11 11
12 15
13 13
14 18
15 16
16 8
17 17
18 15
19 19
20 21
21 20
22 26
23 23
24 20
25 10
26 30
27 9
28 27
29 29
30 30
31 31
32 10
33 28
34 38
35 24
36 20
37 37
38 42
39 32
40 28
41 41
42 36
43 43
44 39
45 24
46 50
47 47
48 25
49 14
50 21
51 40
52 45
53 53
54 20
55 32
56 36
57 44
58 62
59 59
60 40
61 61
62 66
63 30
64 12
65 36
66 48
67 67
68 57
69 52
70 42
71 71
72 25

List of values

[0, 2, 3, 4, 5, 10, 7, 6, 6, 14, 11, 15, 13, 18, 16, 8, 17, 15, 19, 21, 20, 26, 23, 20, 10, 30, 9, 27, 29, 30, 31, 10, 28, 38, 24, 20, 37, 42, 32, 28, 41, 36, 43, 39, 24, 50, 47, 25, 14, 21, 40, 45, 53, 20, 32, 36, 44, 62, 59, 40, 61, 66, 30, 12, 36, 48, 67, 57, 52, 42, 71, 25]

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

Content is available under The OEIS End-User License Agreement.