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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.

A298701 Irregular triangle read by rows in which row n lists the prime factors of the n-th Carmichael number.

Table of values

n a(n)
1 3
2 11
3 17
4 5
5 13
6 17
7 7
8 13
9 19
10 5
11 17
12 29
13 7
14 13
15 31
16 7
17 23
18 41
19 7
20 19
21 67
22 5
23 29
24 73
25 7
26 31
27 73
28 13
29 37
30 61
31 7
32 11
33 13
34 41
35 13
36 37
37 97
38 7
39 73
40 103
41 3
42 5
43 47
44 89
45 7
46 13
47 19
48 37
49 11
50 13
51 17
52 31
53 7
54 11
55 13
56 101
57 13
58 37
59 241
60 7
61 13
62 19
63 73
64 17
65 41
66 233
67 7
68 13
69 31
70 61

List of values

[3, 11, 17, 5, 13, 17, 7, 13, 19, 5, 17, 29, 7, 13, 31, 7, 23, 41, 7, 19, 67, 5, 29, 73, 7, 31, 73, 13, 37, 61, 7, 11, 13, 41, 13, 37, 97, 7, 73, 103, 3, 5, 47, 89, 7, 13, 19, 37, 11, 13, 17, 31, 7, 11, 13, 101, 13, 37, 241, 7, 13, 19, 73, 17, 41, 233, 7, 13, 31, 61]

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

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