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.

A328475 Convert the primorial base expansion of n into its prime product form, then divide by the largest primorial which divides that product: a(n) = A111701(A276086(n)).

Table of values

n a(n)
0 1
1 1
2 3
3 1
4 9
5 3
6 5
7 5
8 15
9 1
10 45
11 3
12 25
13 25
14 75
15 5
16 225
17 15
18 125
19 125
20 375
21 25
22 1125
23 75
24 625
25 625
26 1875
27 125
28 5625
29 375
30 7
31 7
32 21
33 7
34 63
35 21
36 35
37 35
38 105
39 1
40 315
41 3
42 175
43 175
44 525
45 5
46 1575
47 15
48 875
49 875
50 2625
51 25
52 7875
53 75
54 4375
55 4375
56 13125
57 125
58 39375
59 375
60 49
61 49
62 147
63 49
64 441
65 147
66 245
67 245
68 735
69 7
70 2205
71 21
72 1225
73 1225
74 3675
75 35
76 11025
77 105

List of values

[1, 1, 3, 1, 9, 3, 5, 5, 15, 1, 45, 3, 25, 25, 75, 5, 225, 15, 125, 125, 375, 25, 1125, 75, 625, 625, 1875, 125, 5625, 375, 7, 7, 21, 7, 63, 21, 35, 35, 105, 1, 315, 3, 175, 175, 525, 5, 1575, 15, 875, 875, 2625, 25, 7875, 75, 4375, 4375, 13125, 125, 39375, 375, 49, 49, 147, 49, 441, 147, 245, 245, 735, 7, 2205, 21, 1225, 1225, 3675, 35, 11025, 105]