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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.

A087713 Greatest prime factor of the product of the neighbors of the n-th prime.

Table of values

n a(n)
1 3
2 2
3 3
4 3
5 5
6 7
7 3
8 5
9 11
10 7
11 5
12 19
13 7
14 11
15 23
16 13
17 29
18 31
19 17
20 7
21 37
22 13
23 41
24 11
25 7
26 17
27 17
28 53
29 11
30 19
31 7
32 13
33 23
34 23
35 37
36 19
37 79
38 41
39 83
40 43
41 89
42 13
43 19
44 97
45 11
46 11
47 53
48 37
49 113
50 23
51 29
52 17
53 11
54 7
55 43
56 131
57 67
58 17
59 139
60 47
61 71
62 73
63 17
64 31
65 157
66 79
67 83
68 13
69 173
70 29
71 59

List of values

[3, 2, 3, 3, 5, 7, 3, 5, 11, 7, 5, 19, 7, 11, 23, 13, 29, 31, 17, 7, 37, 13, 41, 11, 7, 17, 17, 53, 11, 19, 7, 13, 23, 23, 37, 19, 79, 41, 83, 43, 89, 13, 19, 97, 11, 11, 53, 37, 113, 23, 29, 17, 11, 7, 43, 131, 67, 17, 139, 47, 71, 73, 17, 31, 157, 79, 83, 13, 173, 29, 59]

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

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