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.

A304203 If n = Product (p_j^k_j) then a(n) = Product (p_j^prime(k_j)).

Table of values

n a(n)
1 1
2 4
3 9
4 8
5 25
6 36
7 49
8 32
9 27
10 100
11 121
12 72
13 169
14 196
15 225
16 128
17 289
18 108
19 361
20 200
21 441
22 484
23 529
24 288
25 125
26 676
27 243
28 392
29 841
30 900
31 961
32 2048
33 1089
34 1156
35 1225
36 216
37 1369
38 1444
39 1521
40 800
41 1681
42 1764
43 1849
44 968
45 675
46 2116
47 2209
48 1152
49 343
50 500
51 2601
52 1352
53 2809
54 972
55 3025

List of values

[1, 4, 9, 8, 25, 36, 49, 32, 27, 100, 121, 72, 169, 196, 225, 128, 289, 108, 361, 200, 441, 484, 529, 288, 125, 676, 243, 392, 841, 900, 961, 2048, 1089, 1156, 1225, 216, 1369, 1444, 1521, 800, 1681, 1764, 1849, 968, 675, 2116, 2209, 1152, 343, 500, 2601, 1352, 2809, 972, 3025]