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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.

A329025 If n = Product (p_j^k_j) then a(n) = concatenation (pi(p_j)), where pi = A000720.

Table of values

n a(n)
1 0
2 1
3 2
4 1
5 3
6 12
7 4
8 1
9 2
10 13
11 5
12 12
13 6
14 14
15 23
16 1
17 7
18 12
19 8
20 13
21 24
22 15
23 9
24 12
25 3
26 16
27 2
28 14
29 10
30 123
31 11
32 1
33 25
34 17
35 34
36 12
37 12
38 18
39 26
40 13
41 13
42 124
43 14
44 15
45 23
46 19
47 15
48 12
49 4
50 13
51 27
52 16
53 16
54 12
55 35
56 14
57 28
58 110
59 17
60 123
61 18
62 111
63 24
64 1
65 36
66 125
67 19
68 17
69 29
70 134

List of values

[0, 1, 2, 1, 3, 12, 4, 1, 2, 13, 5, 12, 6, 14, 23, 1, 7, 12, 8, 13, 24, 15, 9, 12, 3, 16, 2, 14, 10, 123, 11, 1, 25, 17, 34, 12, 12, 18, 26, 13, 13, 124, 14, 15, 23, 19, 15, 12, 4, 13, 27, 16, 16, 12, 35, 14, 28, 110, 17, 123, 18, 111, 24, 1, 36, 125, 19, 17, 29, 134]

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