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.

A367167 Let Product_{i = 1..omega(n)} p_i^e_i be the prime factorization of n. Then a(n) = Sum_{i = 1..omega(n)} Product_{j = 1..n} p_i^(e_((i+j-1) mod omega(n) + 1)).

Table of values

n a(n)
1 0
2 2
3 3
4 4
5 5
6 12
7 7
8 8
9 9
10 20
11 11
12 30
13 13
14 28
15 30
16 16
17 17
18 30
19 19
20 70
21 42
22 44
23 23
24 78
25 25
26 52
27 27
28 126
29 29
30 90
31 31
32 32
33 66
34 68
35 70
36 72
37 37
38 76
39 78
40 290
41 41
42 126
43 43
44 286
45 120
46 92
47 47
48 210
49 49
50 70
51 102
52 390
53 53
54 78
55 110
56 742
57 114
58 116
59 59
60 300
61 61
62 124
63 210
64 64
65 130

List of values

[0, 2, 3, 4, 5, 12, 7, 8, 9, 20, 11, 30, 13, 28, 30, 16, 17, 30, 19, 70, 42, 44, 23, 78, 25, 52, 27, 126, 29, 90, 31, 32, 66, 68, 70, 72, 37, 76, 78, 290, 41, 126, 43, 286, 120, 92, 47, 210, 49, 70, 102, 390, 53, 78, 110, 742, 114, 116, 59, 300, 61, 124, 210, 64, 130]