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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.

A306458 a(n) = A001694(n)/A007947(A001694(n)), the powerful numbers divided by their squarefree kernel.

Table of values

n a(n)
1 1
2 2
3 4
4 3
5 8
6 5
7 9
8 16
9 6
10 7
11 32
12 12
13 27
14 10
15 18
16 11
17 25
18 64
19 24
20 13
21 14
22 20
23 36
24 15
25 81
26 128
27 48
28 17
29 54
30 49
31 19
32 28
33 40
34 72
35 21
36 22
37 50
38 256
39 23
40 96
41 125
42 108
43 45
44 26
45 243
46 56
47 80
48 29
49 144
50 30
51 31
52 44
53 162
54 100
55 512
56 33
57 75
58 192
59 34
60 35
61 216
62 63
63 121
64 52

List of values

[1, 2, 4, 3, 8, 5, 9, 16, 6, 7, 32, 12, 27, 10, 18, 11, 25, 64, 24, 13, 14, 20, 36, 15, 81, 128, 48, 17, 54, 49, 19, 28, 40, 72, 21, 22, 50, 256, 23, 96, 125, 108, 45, 26, 243, 56, 80, 29, 144, 30, 31, 44, 162, 100, 512, 33, 75, 192, 34, 35, 216, 63, 121, 52]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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