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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.

A064614 Exchange 2 and 3 in the prime factorization of n.

Table of values

n a(n)
1 1
2 3
3 2
4 9
5 5
6 6
7 7
8 27
9 4
10 15
11 11
12 18
13 13
14 21
15 10
16 81
17 17
18 12
19 19
20 45
21 14
22 33
23 23
24 54
25 25
26 39
27 8
28 63
29 29
30 30
31 31
32 243
33 22
34 51
35 35
36 36
37 37
38 57
39 26
40 135
41 41
42 42
43 43
44 99
45 20
46 69
47 47
48 162
49 49
50 75
51 34
52 117
53 53
54 24
55 55
56 189
57 38
58 87
59 59
60 90
61 61
62 93
63 28
64 729
65 65
66 66
67 67
68 153
69 46

List of values

[1, 3, 2, 9, 5, 6, 7, 27, 4, 15, 11, 18, 13, 21, 10, 81, 17, 12, 19, 45, 14, 33, 23, 54, 25, 39, 8, 63, 29, 30, 31, 243, 22, 51, 35, 36, 37, 57, 26, 135, 41, 42, 43, 99, 20, 69, 47, 162, 49, 75, 34, 117, 53, 24, 55, 189, 38, 87, 59, 90, 61, 93, 28, 729, 65, 66, 67, 153, 46]

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

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