cp's OEIS Frontend

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.

A060837 List the positive rationals in the canonical order A020652(n)/A020653(n) and apply the Sagher map to turn them into integers.

Table of values

n a(n)
1 1
2 2
3 4
4 3
5 9
6 8
7 12
8 18
9 16
10 5
11 25
12 6
13 20
14 72
15 48
16 50
17 36
18 7
19 45
20 75
21 49
22 32
23 28
24 80
25 200
26 98
27 64
28 27
29 63
30 147
31 81
32 10
33 108
34 288
35 112
36 150
37 180
38 392
39 192
40 162
41 100
42 11
43 175
44 245
45 121
46 24
47 44
48 90
49 432
50 800
51 252
52 294
53 320
54 648
55 300
56 242
57 144
58 13
59 99
60 675
61 405
62 363
63 169
64 14

List of values

[1, 2, 4, 3, 9, 8, 12, 18, 16, 5, 25, 6, 20, 72, 48, 50, 36, 7, 45, 75, 49, 32, 28, 80, 200, 98, 64, 27, 63, 147, 81, 10, 108, 288, 112, 150, 180, 392, 192, 162, 100, 11, 175, 245, 121, 24, 44, 90, 432, 800, 252, 294, 320, 648, 300, 242, 144, 13, 99, 675, 405, 363, 169, 14]

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

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