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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.

A331580 Smallest number whose unsorted prime signature is the reversed unsorted prime signature of n.

Table of values

n a(n)
1 1
2 2
3 2
4 4
5 2
6 6
7 2
8 8
9 4
10 6
11 2
12 18
13 2
14 6
15 6
16 16
17 2
18 12
19 2
20 18
21 6
22 6
23 2
24 54
25 4
26 6
27 8
28 18
29 2
30 30
31 2
32 32
33 6
34 6
35 6
36 36
37 2
38 6
39 6
40 54
41 2
42 30
43 2
44 18
45 18
46 6
47 2
48 162
49 4
50 12
51 6
52 18
53 2
54 24
55 6
56 54
57 6
58 6
59 2
60 150
61 2
62 6
63 18
64 64
65 6
66 30
67 2
68 18
69 6
70 30
71 2
72 108
73 2
74 6
75 12
76 18
77 6

List of values

[1, 2, 2, 4, 2, 6, 2, 8, 4, 6, 2, 18, 2, 6, 6, 16, 2, 12, 2, 18, 6, 6, 2, 54, 4, 6, 8, 18, 2, 30, 2, 32, 6, 6, 6, 36, 2, 6, 6, 54, 2, 30, 2, 18, 18, 6, 2, 162, 4, 12, 6, 18, 2, 24, 6, 54, 6, 6, 2, 150, 2, 6, 18, 64, 6, 30, 2, 18, 6, 30, 2, 108, 2, 6, 12, 18, 6]

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