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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.

A361650 Irregular triangle read by rows in which the row n lists the prime factors of n having the highest multiplicity.

Table of values

n a(n)
2 2
3 3
4 2
5 5
6 2
7 3
8 7
9 2
10 3
11 2
12 5
13 11
14 2
15 13
16 2
17 7
18 3
19 5
20 2
21 17
22 3
23 19
24 2
25 3
26 7
27 2
28 11
29 23
30 2
31 5
32 2
33 13
34 3
35 2
36 29
37 2
38 3
39 5
40 31
41 2
42 3
43 11
44 2
45 17
46 5
47 7
48 2
49 3
50 37
51 2
52 19
53 3
54 13
55 2
56 41
57 2
58 3
59 7
60 43
61 2
62 3
63 2
64 23
65 47
66 2
67 7
68 5
69 3
70 17
71 2
72 53
73 3
74 5
75 11
76 2
77 3
78 19
79 2
80 29
81 59

List of values

[2, 3, 2, 5, 2, 3, 7, 2, 3, 2, 5, 11, 2, 13, 2, 7, 3, 5, 2, 17, 3, 19, 2, 3, 7, 2, 11, 23, 2, 5, 2, 13, 3, 2, 29, 2, 3, 5, 31, 2, 3, 11, 2, 17, 5, 7, 2, 3, 37, 2, 19, 3, 13, 2, 41, 2, 3, 7, 43, 2, 3, 2, 23, 47, 2, 7, 5, 3, 17, 2, 53, 3, 5, 11, 2, 3, 19, 2, 29, 59]

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