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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.

A339361 Product of prime indices of the n-th squarefree semiprime.

Table of values

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

List of values

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

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

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