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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.

A087794 Products of prime-indices of factors of semiprimes.

Table of values

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

List of values

[1, 2, 4, 3, 4, 6, 8, 5, 9, 6, 10, 7, 12, 8, 12, 9, 16, 14, 15, 16, 10, 11, 18, 18, 12, 20, 13, 21, 14, 20, 24, 22, 15, 24, 16, 24, 27, 17, 28, 25, 18, 26, 28, 32, 19, 30, 20, 30, 30, 21, 33, 22, 32, 36, 23, 36, 34, 24, 36, 36, 35, 25, 38, 26, 40, 39, 27, 40, 40, 28, 42, 44, 29]

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

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