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.

A379051 Lexicographically earliest infinite sequence of distinct positive numbers with the property that n is a member of the sequence iff a(n) is composite.

Table of values

n a(n)
1 2
2 4
3 5
4 6
5 8
6 9
7 10
8 12
9 14
10 15
11 7
12 16
13 17
14 18
15 20
16 21
17 22
18 24
19 23
20 25
21 26
22 27
23 28
24 30
25 32
26 33
27 34
28 35
29 31
30 36
31 38
32 39
33 40
34 42
35 44
36 45
37 41
38 46
39 48
40 49
41 50
42 51
43 47
44 52
45 54
46 55
47 56
48 57
49 58
50 60
51 62
52 63
53 59
54 64
55 65
56 66
57 68
58 69
59 70
60 72
61 67
62 74
63 75
64 76
65 77
66 78
67 80

List of values

[2, 4, 5, 6, 8, 9, 10, 12, 14, 15, 7, 16, 17, 18, 20, 21, 22, 24, 23, 25, 26, 27, 28, 30, 32, 33, 34, 35, 31, 36, 38, 39, 40, 42, 44, 45, 41, 46, 48, 49, 50, 51, 47, 52, 54, 55, 56, 57, 58, 60, 62, 63, 59, 64, 65, 66, 68, 69, 70, 72, 67, 74, 75, 76, 77, 78, 80]

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

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