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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.

A007951 Ternary sieve: delete every 3rd number, then every 9th, 27th, etc.

Table of values

n a(n)
1 1
2 2
3 4
4 5
5 7
6 8
7 10
8 11
9 14
10 16
11 17
12 19
13 20
14 22
15 23
16 25
17 28
18 29
19 31
20 32
21 34
22 35
23 37
24 38
25 41
26 43
27 46
28 47
29 49
30 50
31 52
32 55
33 56
34 58
35 59
36 61
37 62
38 64
39 65
40 68
41 70
42 71
43 73
44 74
45 76
46 77
47 79
48 82
49 83
50 85
51 86
52 88
53 91
54 92
55 95
56 97
57 98
58 100
59 101
60 103
61 104
62 106
63 109
64 110
65 112
66 113
67 115
68 116
69 118

List of values

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 19, 20, 22, 23, 25, 28, 29, 31, 32, 34, 35, 37, 38, 41, 43, 46, 47, 49, 50, 52, 55, 56, 58, 59, 61, 62, 64, 65, 68, 70, 71, 73, 74, 76, 77, 79, 82, 83, 85, 86, 88, 91, 92, 95, 97, 98, 100, 101, 103, 104, 106, 109, 110, 112, 113, 115, 116, 118]

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

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