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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.

A357983 Second MTF-transform of the primes (A000040). Replace prime(k) with prime(A064988(k)) in the prime factorization of n.

Table of values

n a(n)
1 1
2 2
3 5
4 4
5 11
6 10
7 23
8 8
9 25
10 22
11 31
12 20
13 47
14 46
15 55
16 16
17 59
18 50
19 103
20 44
21 115
22 62
23 97
24 40
25 121
26 94
27 125
28 92
29 137
30 110
31 127
32 32
33 155
34 118
35 253
36 100
37 197
38 206
39 235
40 88
41 179
42 230
43 233
44 124
45 275
46 194
47 257
48 80
49 529
50 242
51 295
52 188
53 419
54 250
55 341
56 184
57 515
58 274

List of values

[1, 2, 5, 4, 11, 10, 23, 8, 25, 22, 31, 20, 47, 46, 55, 16, 59, 50, 103, 44, 115, 62, 97, 40, 121, 94, 125, 92, 137, 110, 127, 32, 155, 118, 253, 100, 197, 206, 235, 88, 179, 230, 233, 124, 275, 194, 257, 80, 529, 242, 295, 188, 419, 250, 341, 184, 515, 274]

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

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