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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.

A049466 Replace each fraction p/q in Farey tree A007305/A007306 with 3p+q.

Table of values

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

List of values

[1, 4, 5, 6, 9, 7, 11, 14, 13, 8, 13, 17, 16, 19, 23, 22, 17, 9, 15, 20, 19, 23, 28, 27, 21, 24, 33, 37, 32, 31, 35, 30, 21, 10, 17, 23, 22, 27, 33, 32, 25, 29, 40, 45, 39, 38, 43, 37, 26, 29, 43, 52, 47, 51, 60, 55, 41, 40, 53, 57, 48, 43, 47, 38, 25, 11, 19, 26, 25]

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

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