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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.

A261793 Successively add the smallest number that is not a substring in decimal representation.

Table of values

n a(n)
1 1
2 3
3 4
4 5
5 6
6 7
7 8
8 9
9 10
10 12
11 15
12 17
13 19
14 21
15 24
16 25
17 26
18 27
19 28
20 29
21 30
22 31
23 33
24 34
25 35
26 36
27 37
28 38
29 39
30 40
31 41
32 43
33 44
34 45
35 46
36 47
37 48
38 49
39 50
40 51
41 53
42 54
43 55
44 56
45 57
46 58
47 59
48 60
49 61
50 63
51 64
52 65
53 66
54 67
55 68
56 69
57 70
58 71
59 73
60 74
61 75
62 76
63 77
64 78
65 79
66 80
67 81

List of values

[1, 3, 4, 5, 6, 7, 8, 9, 10, 12, 15, 17, 19, 21, 24, 25, 26, 27, 28, 29, 30, 31, 33, 34, 35, 36, 37, 38, 39, 40, 41, 43, 44, 45, 46, 47, 48, 49, 50, 51, 53, 54, 55, 56, 57, 58, 59, 60, 61, 63, 64, 65, 66, 67, 68, 69, 70, 71, 73, 74, 75, 76, 77, 78, 79, 80, 81]

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

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