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.

A328571 Primorial base expansion of n converted into its prime product form, but with all nonzero digits replaced by 1's: a(n) = A007947(A276086(n)).

Table of values

n a(n)
0 1
1 2
2 3
3 6
4 3
5 6
6 5
7 10
8 15
9 30
10 15
11 30
12 5
13 10
14 15
15 30
16 15
17 30
18 5
19 10
20 15
21 30
22 15
23 30
24 5
25 10
26 15
27 30
28 15
29 30
30 7
31 14
32 21
33 42
34 21
35 42
36 35
37 70
38 105
39 210
40 105
41 210
42 35
43 70
44 105
45 210
46 105
47 210
48 35
49 70
50 105
51 210
52 105
53 210
54 35
55 70
56 105
57 210
58 105
59 210
60 7
61 14
62 21
63 42
64 21
65 42
66 35
67 70
68 105
69 210
70 105
71 210
72 35
73 70
74 105
75 210
76 105
77 210
78 35
79 70

List of values

[1, 2, 3, 6, 3, 6, 5, 10, 15, 30, 15, 30, 5, 10, 15, 30, 15, 30, 5, 10, 15, 30, 15, 30, 5, 10, 15, 30, 15, 30, 7, 14, 21, 42, 21, 42, 35, 70, 105, 210, 105, 210, 35, 70, 105, 210, 105, 210, 35, 70, 105, 210, 105, 210, 35, 70, 105, 210, 105, 210, 7, 14, 21, 42, 21, 42, 35, 70, 105, 210, 105, 210, 35, 70, 105, 210, 105, 210, 35, 70]