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.

A375114 Lexicographically earliest sequence of positive integers such that the pairs (gcd(a(n), a(n+1)), a(n+1)) are all distinct.

Table of values

n a(n)
1 1
2 1
3 2
4 2
5 3
6 3
7 4
8 4
9 5
10 5
11 6
12 4
13 6
14 6
15 7
16 7
17 8
18 8
19 9
20 6
21 8
22 10
23 10
24 11
25 10
26 12
27 8
28 12
29 9
30 9
31 12
32 12
33 13
34 12
35 14
36 14
37 15
38 10
39 15
40 14
41 16
42 16
43 17
44 16
45 18
46 12
47 15
48 15
49 18
50 18
51 19
52 18
53 20
54 16
55 20
56 20
57 21
58 14
59 21
60 20
61 22
62 11
63 22
64 22
65 23
66 22
67 24
68 16
69 24
70 18
71 21

List of values

[1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 4, 6, 6, 7, 7, 8, 8, 9, 6, 8, 10, 10, 11, 10, 12, 8, 12, 9, 9, 12, 12, 13, 12, 14, 14, 15, 10, 15, 14, 16, 16, 17, 16, 18, 12, 15, 15, 18, 18, 19, 18, 20, 16, 20, 20, 21, 14, 21, 20, 22, 11, 22, 22, 23, 22, 24, 16, 24, 18, 21]

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

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