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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.

A116912 In prime factorization of n replace all primes of form k*6+1 with k*6+5 and primes of form k*6+5 with k*6+1.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 1
6 6
7 11
8 8
9 9
10 2
11 7
12 12
13 17
14 22
15 3
16 16
17 13
18 18
19 23
20 4
21 33
22 14
23 19
24 24
25 1
26 34
27 27
28 44
29 25
30 6
31 35
32 32
33 21
34 26
35 11
36 36
37 41
38 46
39 51
40 8
41 37
42 66
43 47
44 28
45 9
46 38
47 43
48 48
49 121
50 2
51 39
52 68
53 49
54 54
55 7
56 88
57 69
58 50
59 55
60 12
61 65
62 70
63 99
64 64

List of values

[1, 2, 3, 4, 1, 6, 11, 8, 9, 2, 7, 12, 17, 22, 3, 16, 13, 18, 23, 4, 33, 14, 19, 24, 1, 34, 27, 44, 25, 6, 35, 32, 21, 26, 11, 36, 41, 46, 51, 8, 37, 66, 47, 28, 9, 38, 43, 48, 121, 2, 39, 68, 49, 54, 7, 88, 69, 50, 55, 12, 65, 70, 99, 64]

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

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