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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.

A070647 Largest prime factor of sequence of numbers of the form p*q (p, q distinct primes).

Table of values

n a(n)
1 3
2 5
3 7
4 5
5 7
6 11
7 13
8 11
9 17
10 7
11 19
12 13
13 23
14 17
15 11
16 19
17 29
18 31
19 13
20 23
21 37
22 11
23 41
24 17
25 43
26 29
27 13
28 31
29 47
30 19
31 53
32 37
33 23
34 59
35 17
36 61
37 41
38 43
39 19
40 67
41 47
42 71
43 13
44 29
45 73
46 31
47 79
48 53
49 23
50 83
51 59
52 89
53 61
54 37
55 17
56 97
57 67
58 101
59 29
60 41
61 103
62 19
63 71
64 107
65 43
66 31
67 109
68 73
69 17

List of values

[3, 5, 7, 5, 7, 11, 13, 11, 17, 7, 19, 13, 23, 17, 11, 19, 29, 31, 13, 23, 37, 11, 41, 17, 43, 29, 13, 31, 47, 19, 53, 37, 23, 59, 17, 61, 41, 43, 19, 67, 47, 71, 13, 29, 73, 31, 79, 53, 23, 83, 59, 89, 61, 37, 17, 97, 67, 101, 29, 41, 103, 19, 71, 107, 43, 31, 109, 73, 17]

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

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