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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.

A328878 If n = Product (p_j^k_j) then a(n) = Product (prime(p_j)).

Table of values

n a(n)
1 1
2 3
3 5
4 3
5 11
6 15
7 17
8 3
9 5
10 33
11 31
12 15
13 41
14 51
15 55
16 3
17 59
18 15
19 67
20 33
21 85
22 93
23 83
24 15
25 11
26 123
27 5
28 51
29 109
30 165
31 127
32 3
33 155
34 177
35 187
36 15
37 157
38 201
39 205
40 33
41 179
42 255
43 191
44 93
45 55
46 249
47 211
48 15
49 17
50 33
51 295
52 123
53 241
54 15
55 341
56 51
57 335
58 327
59 277
60 165
61 283
62 381
63 85
64 3
65 451

List of values

[1, 3, 5, 3, 11, 15, 17, 3, 5, 33, 31, 15, 41, 51, 55, 3, 59, 15, 67, 33, 85, 93, 83, 15, 11, 123, 5, 51, 109, 165, 127, 3, 155, 177, 187, 15, 157, 201, 205, 33, 179, 255, 191, 93, 55, 249, 211, 15, 17, 33, 295, 123, 241, 15, 341, 51, 335, 327, 277, 165, 283, 381, 85, 3, 451]

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