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.

A140665 Self-erasure surviving numbers, second version. See A108652 for the definition.

Table of values

n a(n)
1 0
2 1
3 2
4 3
5 4
6 5
7 6
8 7
9 8
10 9
11 10
12 20
13 23
14 24
15 25
16 26
17 27
18 28
19 29
20 30
21 32
22 36
23 37
24 38
25 39
26 40
27 42
28 45
29 46
30 47
31 48
32 49
33 50
34 51
35 54
36 58
37 59
38 60
39 62
40 64
41 67
42 68
43 69
44 70
45 73
46 76
47 80
48 83
49 84
50 86
51 89
52 90
53 91
54 92
55 93
56 94
57 95
58 98
59 128
60 144
61 146
62 148
63 161
64 168
65 170
66 173
67 177
68 180
69 185

List of values

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 20, 23, 24, 25, 26, 27, 28, 29, 30, 32, 36, 37, 38, 39, 40, 42, 45, 46, 47, 48, 49, 50, 51, 54, 58, 59, 60, 62, 64, 67, 68, 69, 70, 73, 76, 80, 83, 84, 86, 89, 90, 91, 92, 93, 94, 95, 98, 128, 144, 146, 148, 161, 168, 170, 173, 177, 180, 185]

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

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