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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.

A385645 a(n) is the number of distinct sums of distinct prime powers dividing n.

Table of values

n a(n)
1 1
2 3
3 3
4 7
5 3
6 6
7 3
8 15
9 7
10 7
11 3
12 10
13 3
14 7
15 7
16 31
17 3
18 13
19 3
20 12
21 7
22 7
23 3
24 18
25 7
26 7
27 15
28 14
29 3
30 11
31 3
32 63
33 7
34 7
35 7
36 19
37 3
38 7
39 7
40 20
41 3
42 13
43 3
44 15
45 14
46 7
47 3
48 34
49 7
50 15
51 7
52 15
53 3
54 27
55 7
56 22
57 7
58 7
59 3
60 15
61 3
62 7
63 14
64 127
65 7
66 13
67 3
68 15
69 7
70 13
71 3
72 27
73 3
74 7
75 15
76 15
77 7
78 13

List of values

[1, 3, 3, 7, 3, 6, 3, 15, 7, 7, 3, 10, 3, 7, 7, 31, 3, 13, 3, 12, 7, 7, 3, 18, 7, 7, 15, 14, 3, 11, 3, 63, 7, 7, 7, 19, 3, 7, 7, 20, 3, 13, 3, 15, 14, 7, 3, 34, 7, 15, 7, 15, 3, 27, 7, 22, 7, 7, 3, 15, 3, 7, 14, 127, 7, 13, 3, 15, 7, 13, 3, 27, 3, 7, 15, 15, 7, 13]

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